This patch adds an SPI master device node for Armada XP-GP board.
This master node is an SPI flash controller 'n25q128a13'.
Since there is no 'partitions' node declared, one full sized
partition named as the device will be created.
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Lior Amsalem <alior@marvell.com>
Tested-by: Gregory Clement <gregory.clement@free-electrons.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Acked-by: Gregory Clement <gregory.clement@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The Armada 370 and Armada XP SoC has an SPI controller.
This patch adds support for this controller in Armada 370
and Armada XP SoC common device tree files.
Note that the Armada XP SPI register length is 0x50 bytes,
while Armada 370 SPI register length is 0x28 bytes,
so we choose the smaller of the two.
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Lior Amsalem <alior@marvell.com>
Acked-by: Gregory Clement <gregory.clement@free-electrons.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Now that the time-armada-370-xp support local timers, updated the
device tree to take it into account.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
With DT support for orion-ehci also convert Dove to it and
remove the legacy calls and clock aliases.
This patch is based on "ARM: Dove: split legacy and DT setup"
applied to mvebu/boards recently.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This patch activates every USB port provided by each SoC.
Except for Armada XP Openblocks AX3-4 board,
where we enable only the first two USB ports
until we have more information on the third one usage.
Cc: Lior Amsalem <alior@marvell.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Gregory CLEMENT <gregory.clement@free-electrons.com>
Tested-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Tested-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The Armada 370 and Armada XP SoC has an Orion EHCI USB controller.
This patch adds support for this controller in Armada 370
and Armada XP SoC common device tree files.
Cc: Lior Amsalem <alior@marvell.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Tested-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The OpenBlocks AX3-4 board has one software-controlled button on the
front side, labeled "INIT", so we add minimal support for this button
in the kernel.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Remove C code and add a Device Tree node in its place.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Simon Guinot <simon.guinot@sequanux.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Add a sub-node into the I2C node to represent the adt7476 device.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Remove the C code and add a Device Tree node for gpio-poweroff.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
CuBox needs to enable USB power on a gpio pin. Add a fixed regulator
to always enable usb power on boot.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
gpio-leds has support for pinctrl allocation, make use of it.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The 88f6282 has one more TWSI(TWSI1). This add the information to enable
pinctl of TWSI1.
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit adds a pinmux option, pmx_sdio, to enable the muxing of
the SDIO interface on the 88F6282 SoC from Marvell.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Now that the mvsdio driver has a Device Tree binding, and the SDIO
controller is declared in kirkwood.dtsi, migrate the mplcec4 board to
use the Device Tree to probe the SDIO controller and to mux the pins
of the SDIO interface correctly.
This patch has not been tested, it remains to be tested by a person
having access to the hardware.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Stefan Peter <s.peter@mpl.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Now that the mvsdio driver has a Device Tree binding, and the SDIO
controller is declared in kirkwood.dtsi, migrate the dreamplug board
to use the Device Tree to probe the SDIO controller and to mux this
interface properly.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Now that the SDIO controller has a Device Tree binding, let's use it
in kirkwood.dtsi.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The Globalscale Mirabox uses the SDIO interface of the Armada 370 to
connect to a Wifi/Bluetooth SD8787 chip, so we enable the SDIO
interface of this board in its Device Tree file.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The Armada XP DB evaluation board has one SD card slot, directly
connected to the SDIO IP of the SoC, so we add a device tree
description for it.
However, in the default configuration of the board, the SD card slot
is not usable: the connector plugged into CON40 must be changed
against a different one, provided with the board by the
manufacturer. Since such a manual modification of the hardware is
needed, we did not enable the SDIO interface by default, and left it
to the board user to modify the Device Tree if needed. Since this
board is really only an evaluation board for developers and not a
final product, it is not too bad.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The Armada XP DB evaluation board has one SD card slot, directly
connected to the SDIO IP of the SoC, so we enable this
IP. Unfortunately, there are no GPIOs for card-detect and
write-protect.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The SDIO interface is only available on pins MPP30/31/32/33/34/35 on
the various Armada XP variants, so we provide a pin muxing option for
this in the Armada XP .dtsi files.
Even though those muxing options are the same for MV78230, MV78260 and
MV78460, we keep them in each .dtsi file, because the number of pins,
and therefore the declaration of the pinctrl node, is different for
each SoC variant.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The SDIO interface is available either on pins MPP9/11/12/13/14/15 or
MPP47/48/49/50/51/52 on the Armada 370. Even though all combinations
are potentially possible, those two muxing options are the most
probable ones, so we provide those at the SoC level .dtsi file.
In practice, in turns out the Armada 370 DB board uses the former,
while the Armada 370 Mirabox uses the latter.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Now that the mvsdio MMC driver has a Device Tree binding, we add the
Device Tree informations to describe the SDIO interface available in
the Armada 370/XP SoCs.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The Armada 370 and Armada XP Socs have the same controller that the
one used in the orion platforms. This patch updates the device tree
for these SoCs.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Florian Fainelli <florian@openwrt.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Some of the mvebu boards (mainly the development board) come with
plug-in RAM modules. This patch allows to let the bootloaders which
have no support for DTS to give the real amount of memory available on
the board.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The Armada XP DB-MV784MP-GP board has an SPI flash device.
These options allow to access that device over MTD.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This is the new Armada XP evaluation board from Marvell. It comes with
a RS232 port over USB, a SATA link, an internal SSD, 4 Ethernet
Gigabit links.
Support for USB (Host and device), SDIO, PCIe will be added as drivers
when they become available for Armada XP in mainline.
Tested-by: Simon Guinot <simon.guinot@sequanux.org>
Tested-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Now that we have support for local timers, enable it by default
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
MPIC allows the use of private interrupt for each CPUs. The 28th first
interrupts are per-cpu. This patch adds support to use them.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Add a device tree entry for the Guruplug Server Plus board. This port
was based both on the work done on the dreamplug and the dockstar.
It builds, boots and works on my Guruplug Server Plus.
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This patch adds the DTS file to support the Marvell RD-A370-A1
(Reference Design board) also known as RD-88F6710 board. It is almost
entirely similar to the DB-A370 board except that the first Ethernet PHY
is SGMII-wired and the second is a switch which is RGMII-wired.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This patch makes the interrupt controller driver more SMP aware for
the Armada XP SoCs. It adds the support for the per-CPU irq. It also
adds the implementation for the set_affinity hook.
Patch initialy wrote by Yehuda Yitschak and reworked by Gregory
CLEMENT.
Signed-off-by: Yehuda Yitschak <yehuday@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
In the beginning of DT for Dove it was reasonable to have it close to
non-DT code. With improved DT support, it became more and more difficult
to not break non-DT while changing DT code.
This patch splits up DT board setup and introduces a DOVE_LEGACY config
to allow to remove legacy code for DT-only kernels.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This refreshes the dove_defconfig, and adds:
PRINTK_TIME
DEVTMPFS
EXT4
They're quite useful, and allows booting a cubox ubuntu rootfs on SD card,
since that by default uses ext4.
The rest of the churn is due to options and defaults moving around, no
functional difference.
Signed-off-by: Olof Johansson <olof@lixom.net>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Now that SDIO is instantiated via DT, and the SDIO DT node has a clocks
property, we no longer need a C coded clock alias. Remove it.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Now that USB is instantiated via DT, and the USB DT node has a clocks
property, we no longer need a C coded clock alias. Remove it.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The OpenBlocks AX3-4 platform has several LEDs, so it sounds wise to
enable LED support in mvebu_defconfig. We anticipate that more
platforms using Marvell EBU SoCs will have LEDs in the future.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The Globalscale Mirabox platform, based on the Armada 370 from
Marvell, has a SD8787 Wireless/Bluetooth chip connected on the SDIO
interface. Now that the mvsdio has a Device Tree binding, and the
necessary Device Tree informations have been added at the SoC and
board level, let's enable the btmrvl driver for the Bluetooth part of
the SD8787 chip.
For now, the driver gets probed correctly, detects the device but
apparently fails to push the firmware to the device:
Bluetooth: vendor=0x2df, device=0x911a, class=255, fn=2
Bluetooth: FW failed to be active in time!
Bluetooth: Downloading firmware failed!
Bluetooth: vendor=0x2df, device=0x911b, class=255, fn=3
Bluetooth: FW failed to be active in time!
Bluetooth: Downloading firmware failed!
This will have to be investigated separately.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The Globalscale Mirabox platform, based on the Armada 370 from
Marvell, has a SD8787 Wireless chip connected on the SDIO
interface. Now that the mvsdio has a Device Tree binding, and the
necessary Device Tree informations have been added at the SoC and
board level, let's enable the mwifiex driver for the Wireless part of
the SD8787 chip.
For now, the driver gets probed correctly, detects a device and shows
the network interfaces. However, scanning Wifi networks doesn't work
for now, with a 'CMD_RESP: cmd 0x6 error, result=0x1' message. This
will have to be investigated separately.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Now that the mvsdio driver has gained Device Tree support and the
necessary Device Tree informations has been added for Armada 370 and
Armada XP platforms, we enable the MMC subsystem and the mvsdio driver
in mvebu_defconfig.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The RTC class driver is already part of the mvebu_defconfig but the
Marvell internal RTC not yet. Now that its support is added for mvebu
let's update the config file.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Tested-by: Florian Fainelli <florian@openwrt.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
I'm not sure why, but the hlist for each entry iterators were conceived
list_for_each_entry(pos, head, member)
The hlist ones were greedy and wanted an extra parameter:
hlist_for_each_entry(tpos, pos, head, member)
Why did they need an extra pos parameter? I'm not quite sure. Not only
they don't really need it, it also prevents the iterator from looking
exactly like the list iterator, which is unfortunate.
Besides the semantic patch, there was some manual work required:
- Fix up the actual hlist iterators in linux/list.h
- Fix up the declaration of other iterators based on the hlist ones.
- A very small amount of places were using the 'node' parameter, this
was modified to use 'obj->member' instead.
- Coccinelle didn't handle the hlist_for_each_entry_safe iterator
properly, so those had to be fixed up manually.
The semantic patch which is mostly the work of Peter Senna Tschudin is here:
@@
iterator name hlist_for_each_entry, hlist_for_each_entry_continue, hlist_for_each_entry_from, hlist_for_each_entry_rcu, hlist_for_each_entry_rcu_bh, hlist_for_each_entry_continue_rcu_bh, for_each_busy_worker, ax25_uid_for_each, ax25_for_each, inet_bind_bucket_for_each, sctp_for_each_hentry, sk_for_each, sk_for_each_rcu, sk_for_each_from, sk_for_each_safe, sk_for_each_bound, hlist_for_each_entry_safe, hlist_for_each_entry_continue_rcu, nr_neigh_for_each, nr_neigh_for_each_safe, nr_node_for_each, nr_node_for_each_safe, for_each_gfn_indirect_valid_sp, for_each_gfn_sp, for_each_host;
type T;
expression a,c,d,e;
identifier b;
statement S;
@@
-T b;
<+... when != b
(
hlist_for_each_entry(a,
- b,
c, d) S
|
hlist_for_each_entry_continue(a,
- b,
c) S
|
hlist_for_each_entry_from(a,
- b,
c) S
|
hlist_for_each_entry_rcu(a,
- b,
c, d) S
|
hlist_for_each_entry_rcu_bh(a,
- b,
c, d) S
|
hlist_for_each_entry_continue_rcu_bh(a,
- b,
c) S
|
for_each_busy_worker(a, c,
- b,
d) S
|
ax25_uid_for_each(a,
- b,
c) S
|
ax25_for_each(a,
- b,
c) S
|
inet_bind_bucket_for_each(a,
- b,
c) S
|
sctp_for_each_hentry(a,
- b,
c) S
|
sk_for_each(a,
- b,
c) S
|
sk_for_each_rcu(a,
- b,
c) S
|
sk_for_each_from
-(a, b)
+(a)
S
+ sk_for_each_from(a) S
|
sk_for_each_safe(a,
- b,
c, d) S
|
sk_for_each_bound(a,
- b,
c) S
|
hlist_for_each_entry_safe(a,
- b,
c, d, e) S
|
hlist_for_each_entry_continue_rcu(a,
- b,
c) S
|
nr_neigh_for_each(a,
- b,
c) S
|
nr_neigh_for_each_safe(a,
- b,
c, d) S
|
nr_node_for_each(a,
- b,
c) S
|
nr_node_for_each_safe(a,
- b,
c, d) S
|
- for_each_gfn_sp(a, c, d, b) S
+ for_each_gfn_sp(a, c, d) S
|
- for_each_gfn_indirect_valid_sp(a, c, d, b) S
+ for_each_gfn_indirect_valid_sp(a, c, d) S
|
for_each_host(a,
- b,
c) S
|
for_each_host_safe(a,
- b,
c, d) S
|
for_each_mesh_entry(a,
- b,
c, d) S
)
...+>
[akpm@linux-foundation.org: drop bogus change from net/ipv4/raw.c]
[akpm@linux-foundation.org: drop bogus hunk from net/ipv6/raw.c]
[akpm@linux-foundation.org: checkpatch fixes]
[akpm@linux-foundation.org: fix warnings]
[akpm@linux-foudnation.org: redo intrusive kvm changes]
Tested-by: Peter Senna Tschudin <peter.senna@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Change it to CONFIG_HAVE_VIRT_TO_BUS and set it in all architecures
that already provide virt_to_bus().
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: H Hartley Sweeten <hartleys@visionengravers.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Besides some fixes and cleanups in the code there are three more
important changes to point out this time:
* New IOMMU driver for the ARM SHMOBILE platform
* An IOMMU-API extension for non-paging IOMMUs (required for
upcoming PAMU driver)
* Rework of the way the Tegra IOMMU driver accesses its
registetrs - register windows are easier to extend now.
There are also a few changes to non-iommu code, but that is acked by the
respective maintainers.
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Merge tag 'iommu-updates-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU Updates from Joerg Roedel:
"Besides some fixes and cleanups in the code there are three more
important changes to point out this time:
* New IOMMU driver for the ARM SHMOBILE platform
* An IOMMU-API extension for non-paging IOMMUs (required for
upcoming PAMU driver)
* Rework of the way the Tegra IOMMU driver accesses its
registetrs - register windows are easier to extend now.
There are also a few changes to non-iommu code, but that is acked by
the respective maintainers."
* tag 'iommu-updates-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (23 commits)
iommu/tegra: assume CONFIG_OF in SMMU driver
iommu/tegra: assume CONFIG_OF in gart driver
iommu/amd: Remove redundant NULL check before dma_ops_domain_free().
iommu/amd: Initialize device table after dma_ops
iommu/vt-d: Zero out allocated memory in dmar_enable_qi
iommu/tegra: smmu: Fix incorrect mask for regbase
iommu/exynos: Make exynos_sysmmu_disable static
ARM: mach-shmobile: r8a7740: Add IPMMU device
ARM: mach-shmobile: sh73a0: Add IPMMU device
ARM: mach-shmobile: sh7372: Add IPMMU device
iommu/shmobile: Add iommu driver for Renesas IPMMU modules
iommu: Add DOMAIN_ATTR_WINDOWS domain attribute
iommu: Add domain window handling functions
iommu: Implement DOMAIN_ATTR_PAGING attribute
iommu: Check for valid pgsize_bitmap in iommu_map/unmap
iommu: Make sure DOMAIN_ATTR_MAX is really the maximum
iommu/tegra: smmu: Change SMMU's dependency on ARCH_TEGRA
iommu/tegra: smmu: Use helper function to check for valid register offset
iommu/tegra: smmu: Support variable MMIO ranges/blocks
iommu/tegra: Add missing spinlock initialization
...
Pull DMA-mapping updates from Marek Szyprowski:
"This time all patches are related only to ARM DMA-mapping subsystem.
The main extension provided by this pull request is highmem support.
Besides that it contains a bunch of small bugfixes and cleanups."
* 'for-v3.9' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
ARM: DMA-mapping: fix memory leak in IOMMU dma-mapping implementation
ARM: dma-mapping: Add maximum alignment order for dma iommu buffers
ARM: dma-mapping: use himem for DMA buffers for IOMMU-mapped devices
ARM: dma-mapping: add support for CMA regions placed in highmem zone
arm: dma mapping: export arm iommu functions
ARM: dma-mapping: Add arm_iommu_detach_device()
ARM: dma-mapping: Add macro to_dma_iommu_mapping()
ARM: dma-mapping: Set arm_dma_set_mask() for iommu->set_dma_mask()
ARM: iommu: Include linux/kref.h in asm/dma-iommu.h
This branch contains the usual set of individual driver improvements and
bug fixes, as well as updates to the core code. The more notable changes
include:
- Internally add new API for referencing GPIOs by gpio_desc instead of
number. Eventually this will become a public API
- ACPI GPIO binding support
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux
Pull GPIO changes from Grant Likely:
"This branch contains the usual set of individual driver improvements
and bug fixes, as well as updates to the core code. The more notable
changes include:
- Internally add new API for referencing GPIOs by gpio_desc instead
of number. Eventually this will become a public API
- ACPI GPIO binding support"
* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux: (33 commits)
arm64: select ARCH_WANT_OPTIONAL_GPIOLIB
gpio: em: Use irq_domain_add_simple() to fix runtime error
gpio: using common order: let 'static const' instead of 'const static'
gpio/vt8500: memory cleanup missing
gpiolib: Fix locking on gpio debugfs files
gpiolib: let gpio_chip reference its descriptors
gpiolib: use descriptors internally
gpiolib: use gpio_chips list in gpiochip_find_base
gpiolib: use gpio_chips list in sysfs ops
gpiolib: use gpio_chips list in gpiochip_find
gpiolib: use gpio_chips list in gpiolib_sysfs_init
gpiolib: link all gpio_chips using a list
gpio/langwell: cleanup driver
gpio/langwell: Add Cloverview ids to pci device table
gpio/lynxpoint: add chipset gpio driver.
gpiolib: add missing braces in gpio_direction_show
gpiolib-acpi: Fix error checks in interrupt requesting
gpio: mpc8xxx: don't set IRQ_TYPE_NONE when creating irq mapping
gpiolib: remove gpiochip_reserve()
arm: pxa: tosa: do not use gpiochip_reserve()
...
Core:
- Support for packed commands in eMMC 4.5. (This requires a host
capability to be turned on. It increases write throughput by 20%+,
but may also increase average write latency; more testing needed.)
- Add DT bindings for capability flags.
- Add mmc_of_parse() for shared DT parsing between drivers.
Drivers:
- android-goldfish: New MMC driver for the Android Goldfish emulator.
- mvsdio: Add DT bindings, pinctrl, use slot-gpio for card detection.
- omap_hsmmc: Fix boot hangs with RPMB partitions.
- sdhci-bcm2835: New driver for controller used by Raspberry Pi.
- sdhci-esdhc-imx: Add 8-bit data, auto CMD23 support, use slot-gpio.
- sh_mmcif: Add support for eMMC DDR, bundled MMCIF IRQs.
- tmio_mmc: Add DT bindings, support for vccq regulator.
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Merge tag 'mmc-updates-for-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC update from Chris Ball:
"MMC highlights for 3.9:
Core:
- Support for packed commands in eMMC 4.5. (This requires a host
capability to be turned on. It increases write throughput by 20%+,
but may also increase average write latency; more testing needed.)
- Add DT bindings for capability flags.
- Add mmc_of_parse() for shared DT parsing between drivers.
Drivers:
- android-goldfish: New MMC driver for the Android Goldfish emulator.
- mvsdio: Add DT bindings, pinctrl, use slot-gpio for card detection.
- omap_hsmmc: Fix boot hangs with RPMB partitions.
- sdhci-bcm2835: New driver for controller used by Raspberry Pi.
- sdhci-esdhc-imx: Add 8-bit data, auto CMD23 support, use slot-gpio.
- sh_mmcif: Add support for eMMC DDR, bundled MMCIF IRQs.
- tmio_mmc: Add DT bindings, support for vccq regulator"
* tag 'mmc-updates-for-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (92 commits)
mmc: tegra: assume CONFIG_OF, remove platform data
mmc: add DT bindings for more MMC capability flags
mmc: tmio: add support for the VccQ regulator
mmc: tmio: remove unused and deprecated symbols
mmc: sh_mobile_sdhi: use managed resource allocations
mmc: sh_mobile_sdhi: remove unused .pdata field
mmc: tmio-mmc: parse device-tree bindings
mmc: tmio-mmc: define device-tree bindings
mmc: sh_mmcif: use mmc_of_parse() to parse standard MMC DT bindings
mmc: (cosmetic) remove "extern" from function declarations
mmc: provide a standard MMC device-tree binding parser centrally
mmc: detailed definition of CD and WP MMC line polarities in DT
mmc: sdhi, tmio: only check flags in tmio-mmc driver proper
mmc: sdhci: Fix parameter of sdhci_do_start_signal_voltage_switch()
mmc: sdhci: check voltage range only on regulators aware of voltage value
mmc: bcm2835: set SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK
mmc: support packed write command for eMMC4.5 devices
mmc: add packed command feature of eMMC4.5
mmc: rtsx: remove driving adjustment
mmc: use regulator_can_change_voltage() instead of regulator_count_voltages
...
Pull LED subsystem update from Bryan Wu.
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: (61 commits)
leds: leds-sunfire: use dev_err()/pr_err() instead of printk()
leds: 88pm860x: Add missing of_node_put()
leds: tca6507: Use of_get_child_count()
leds: leds-pwm: make it depend on PWM and not HAVE_PWM
Documentation: leds: update LP55xx family devices
leds-lp55xx: fix problem on removing LED attributes
leds-lp5521/5523: add author and copyright description
leds-lp5521/5523: use new lp55xx common header
leds-lp55xx: clean up headers
leds-lp55xx: clean up definitions
leds-lp55xx: clean up unused data and functions
leds-lp55xx: clean up _remove()
leds-lp55xx: add new function for removing device attribtues
leds-lp55xx: code refactoring on selftest function
leds-lp55xx: use common device attribute driver function
leds-lp55xx: support device specific attributes
leds-lp5523: use generic firmware interface
leds-lp5521: use generic firmware interface
leds-lp55xx: support firmware interface
leds-lp55xx: add new lp55xx_register_sysfs() for the firmware interface
...
Pull slave-dmaengine updates from Vinod Koul:
"This is fairly big pull by my standards as I had missed last merge
window. So we have the support for device tree for slave-dmaengine,
large updates to dw_dmac driver from Andy for reusing on different
architectures. Along with this we have fixes on bunch of the drivers"
Fix up trivial conflicts, usually due to #include line movement next to
each other.
* 'next' of git://git.infradead.org/users/vkoul/slave-dma: (111 commits)
Revert "ARM: SPEAr13xx: Pass DW DMAC platform data from DT"
ARM: dts: pl330: Add #dma-cells for generic dma binding support
DMA: PL330: Register the DMA controller with the generic DMA helpers
DMA: PL330: Add xlate function
DMA: PL330: Add new pl330 filter for DT case.
dma: tegra20-apb-dma: remove unnecessary assignment
edma: do not waste memory for dma_mask
dma: coh901318: set residue only if dma is in progress
dma: coh901318: avoid unbalanced locking
dmaengine.h: remove redundant else keyword
dma: of-dma: protect list write operation by spin_lock
dmaengine: ste_dma40: do not remove descriptors for cyclic transfers
dma: of-dma.c: fix memory leakage
dw_dmac: apply default dma_mask if needed
dmaengine: ioat - fix spare sparse complain
dmaengine: move drivers/of/dma.c -> drivers/dma/of-dma.c
ioatdma: fix race between updating ioat->head and IOAT_COMPLETION_PENDING
dw_dmac: add support for Lynxpoint DMA controllers
dw_dmac: return proper residue value
dw_dmac: fill individual length of descriptor
...
Pull KVM ARM compile fixes from Gleb Natapov:
"Fix ARM KVM compilation breakage due to changes from kvm.git"
* git://git.kernel.org/pub/scm/virt/kvm/kvm:
ARM: KVM: fix compilation after removal of user_alloc from struct kvm_memory_slot
ARM: KVM: Rename KVM_MEMORY_SLOTS -> KVM_USER_MEM_SLOTS
ARM: KVM: fix kvm_arch_{prepare,commit}_memory_region
lockdep, but it's a mechanical change.
Cheers,
Rusty.
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Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull module update from Rusty Russell:
"The sweeping change is to make add_taint() explicitly indicate whether
to disable lockdep, but it's a mechanical change."
* tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
MODSIGN: Add option to not sign modules during modules_install
MODSIGN: Add -s <signature> option to sign-file
MODSIGN: Specify the hash algorithm on sign-file command line
MODSIGN: Simplify Makefile with a Kconfig helper
module: clean up load_module a little more.
modpost: Ignore ARC specific non-alloc sections
module: constify within_module_*
taint: add explicit flag to show whether lock dep is still OK.
module: printk message when module signature fail taints kernel.
Paolo Pisati reports that IPv6 triggers this warning:
BUG: scheduling while atomic: swapper/0/0/0x40000100
Modules linked in:
[<c001b1c4>] (unwind_backtrace+0x0/0xf0) from [<c0503c5c>] (__schedule_bug+0x48/0x5c)
[<c0503c5c>] (__schedule_bug+0x48/0x5c) from [<c0508608>] (__schedule+0x700/0x740)
[<c0508608>] (__schedule+0x700/0x740) from [<c007007c>] (__cond_resched+0x24/0x34)
[<c007007c>] (__cond_resched+0x24/0x34) from [<c05086dc>] (_cond_resched+0x3c/0x44)
[<c05086dc>] (_cond_resched+0x3c/0x44) from [<c0021f6c>] (do_alignment+0x178/0x78c)
[<c0021f6c>] (do_alignment+0x178/0x78c) from [<c00083e0>] (do_DataAbort+0x34/0x98)
[<c00083e0>] (do_DataAbort+0x34/0x98) from [<c0509a60>] (__dabt_svc+0x40/0x60)
Exception stack(0xc0763d70 to 0xc0763db8)
3d60: e97e805e e97e806e 2c000000 11000000
3d80: ea86bb00 0000002c 00000011 e97e807e c076d2a8 e97e805e e97e806e 0000002c
3da0: 3d000000 c0763dbc c04b98fc c02a8490 00000113 ffffffff
[<c0509a60>] (__dabt_svc+0x40/0x60) from [<c02a8490>] (__csum_ipv6_magic+0x8/0xc8)
Fix this by using probe_kernel_address() stead of __get_user().
Cc: <stable@vger.kernel.org>
Reported-by: Paolo Pisati <p.pisati@gmail.com>
Tested-by: Paolo Pisati <p.pisati@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Martin Storsjö reports that the sequence:
ee312ac1 vsub.f32 s4, s3, s2
ee702ac0 vsub.f32 s5, s1, s0
e59f0028 ldr r0, [pc, #40]
ee111a90 vmov r1, s3
on Raspberry Pi (implementor 41 architecture 1 part 20 variant b rev 5)
where s3 is a denormal and s2 is zero results in incorrect behaviour -
the instruction "vsub.f32 s5, s1, s0" is not executed:
VFP: bounce: trigger ee111a90 fpexc d0000780
VFP: emulate: INST=0xee312ac1 SCR=0x00000000
...
As we can see, the instruction triggering the exception is the "vmov"
instruction, and we emulate the "vsub.f32 s4, s3, s2" but fail to
properly take account of the FPEXC_FP2V flag in FPEXC. This is because
the test for the second instruction register being valid is bogus, and
will always skip emulation of the second instruction.
Cc: <stable@vger.kernel.org>
Reported-by: Martin Storsjö <martin@martin.st>
Tested-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This patch removes page_address() usage in IOMMU-aware dma-mapping
implementation and replaced it with direct use of the cpu virtual address
provided by the caller. page_address() returned incorrect address for
pages remapped in atomic pool, what caused memory leak.
Reported-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Hiroshi Doyu <hdoyu@nvidia.com>
Alignment order for a dma iommu buffer is set by buffer size. For
large buffer, it is a waste of iommu address space. So configurable
parameter to limit maximum alignment order can reduce the waste.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Kyungmin.park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
IOMMU can provide access to any memory page, so there is no point in
limiting the allocated pages only to lowmem, once other parts of
dma-mapping subsystem correctly supports himem pages.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
This patch adds missing pieces to correctly support memory pages served
from CMA regions placed in high memory zones. Please note that the default
global CMA area is still put into lowmem and is limited by optional
architecture specific DMA zone. One can however put device specific CMA
regions in high memory zone to reduce lowmem usage.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
This patch adds EXPORT_SYMBOL_GPL calls to the three arm iommu
functions - arm_iommu_create_mapping, arm_iommu_free_mapping
and arm_iommu_attach_device. These three functions are arm specific
wrapper functions for creating/freeing/using an iommu mapping and
they are called by various drivers. If any of these drivers need
to be built as dynamic modules, these functions need to be exported.
Changelog v2: using EXPORT_SYMBOL_GPL as suggested by Marek.
Signed-off-by: Prathyush K <prathyush.k@samsung.com>
[m.szyprowski: extended with recently introduced
EXPORT_SYMBOL_GPL(arm_iommu_detach_device)]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
This can be built without CONFIG_ARM_DMA_USE_IOMMU.
Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
struct dma_map_ops iommu_ops doesn't have ->set_dma_mask, which causes
crash when dma_set_mask() is called from some driver.
Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
The dma_iommu_mapping structure defined in asm/dma-iommu.h embeds a
struct kref, include the appropriate header file.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Commit 7a905b1 (KVM: Remove user_alloc from struct kvm_memory_slot)
broke KVM/ARM by removing the user_alloc field from a public structure.
As we only used this field to alert the user that we didn't support
this operation mode, there is no harm in discarding this bit of code
without any remorse.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Commit bbacc0c (KVM: Rename KVM_MEMORY_SLOTS -> KVM_USER_MEM_SLOTS)
broke KVM/ARM by changing a global #define.
Apply the same change to fix the compilation breakage.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Commit f82a8cfe9 (KVM: struct kvm_memory_slot.user_alloc -> bool)
broke the ARM KVM port by changing the prototype of two global
functions.
Apply the same change to fix the compilation breakage.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
No new drivers this time, but a bunch of fairly big cleanups:
- Roger Quadros worked on a OMAP USBHS and TLL platform data consolidation,
OMAP5 support and clock management code cleanup.
- The first step of a major sync for the ab8500 driver from Lee Jones. In
particular, the debugfs and the sysct interfaces got extended and improved.
- Peter Ujfalusi sent a nice patchset for cleaning and fixing the twl-core
driver, with a much needed module id lookup code improvement.
- The regular wm5102 and arizona cleanups and fixes from Mark Brown.
- Laxman Dewangan extended the palmas APIs in order to implement the palmas
GPIO and rt drivers.
- Laxman also added DT support for the tps65090 driver.
- The Intel SCH and ICH drivers got a couple fixes from Aaron Sierra and
Darren Hart.
- Linus Walleij patchset for the ab8500 driver allowed ab8500 and ab9540 based
devices to switch to the new abx500 pin-ctrl driver.
- The max8925 now has device tree and irqdomain support thanks to Qing Xu.
- The recently added rtsx driver got a few cleanups and fixes for a better
card detection code path and now also supports the RTS5227 chipset, thanks
to Wei Wang and Roger Tseng.
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Merge tag 'mfd-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
Pull MFS updates from Samuel Ortiz:
"This is the MFD pull request for the 3.9 merge window.
No new drivers this time, but a bunch of fairly big cleanups:
- Roger Quadros worked on a OMAP USBHS and TLL platform data
consolidation, OMAP5 support and clock management code cleanup.
- The first step of a major sync for the ab8500 driver from Lee
Jones. In particular, the debugfs and the sysct interfaces got
extended and improved.
- Peter Ujfalusi sent a nice patchset for cleaning and fixing the
twl-core driver, with a much needed module id lookup code
improvement.
- The regular wm5102 and arizona cleanups and fixes from Mark Brown.
- Laxman Dewangan extended the palmas APIs in order to implement the
palmas GPIO and rt drivers.
- Laxman also added DT support for the tps65090 driver.
- The Intel SCH and ICH drivers got a couple fixes from Aaron Sierra
and Darren Hart.
- Linus Walleij patchset for the ab8500 driver allowed ab8500 and
ab9540 based devices to switch to the new abx500 pin-ctrl driver.
- The max8925 now has device tree and irqdomain support thanks to
Qing Xu.
- The recently added rtsx driver got a few cleanups and fixes for a
better card detection code path and now also supports the RTS5227
chipset, thanks to Wei Wang and Roger Tseng."
* tag 'mfd-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (109 commits)
mfd: lpc_ich: Use devres API to allocate private data
mfd: lpc_ich: Add Device IDs for Intel Wellsburg PCH
mfd: lpc_sch: Accomodate partial population of the MFD devices
mfd: da9052-i2c: Staticize da9052_i2c_fix()
mfd: syscon: Fix sparse warning
mfd: twl-core: Fix kernel panic on boot
mfd: rtsx: Fix issue that booting OS with SD card inserted
mfd: ab8500: Fix compile error
mfd: Add missing GENERIC_HARDIRQS dependecies
Documentation: Add docs for max8925 dt
mfd: max8925: Add dts
mfd: max8925: Support dt for backlight
mfd: max8925: Fix onkey driver irq base
mfd: max8925: Fix mfd device register failure
mfd: max8925: Add irqdomain for dt
mfd: vexpress: Allow vexpress-sysreg to self-initialise
mfd: rtsx: Support RTS5227
mfd: rtsx: Implement driving adjustment to device-dependent callbacks
mfd: vexpress: Add pseudo-GPIO based LEDs
mfd: ab8500: Rename ab8500 to abx500 for hwmon driver
...
Pull media updates from Mauro Carvalho Chehab:
- Some cleanups at V4L2 documentation
- new drivers: ts2020 frontend, ov9650 sensor, s5c73m3 sensor,
sh-mobile veu mem2mem driver, radio-ma901, davinci_vpfe staging
driver
- Lots of missing MAINTAINERS entries added
- several em28xx driver improvements, including its conversion to
videobuf2
- several fixups on drivers to make them to better comply with the API
- DVB core: add support for DVBv5 stats, allowing the implementation of
statistics for new standards like ISDB
- mb86a20s: add statistics to the driver
- lots of new board additions, cleanups, and driver improvements.
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (596 commits)
[media] media: Add 0x3009 USB PID to ttusb2 driver (fixed diff)
[media] rtl28xxu: Add USB IDs for Compro VideoMate U620F
[media] em28xx: add usb id for terratec h5 rev. 3
[media] media: rc: gpio-ir-recv: add support for device tree parsing
[media] mceusb: move check earlier to make smatch happy
[media] radio-si470x doc: add info about v4l2-ctl and sox+alsa
[media] staging: media: Remove unnecessary OOM messages
[media] sh_vou: Use vou_dev instead of vou_file wherever possible
[media] sh_vou: Use video_drvdata()
[media] drivers/media/platform/soc_camera/pxa_camera.c: use devm_ functions
[media] mt9t112: mt9t111 format set up differs from mt9t112
[media] sh-mobile-ceu-camera: fix SHARPNESS control default
Revert "[media] fc0011: Return early, if the frequency is already tuned"
[media] cx18/ivtv: fix regression: remove __init from a non-init function
[media] em28xx: fix analog streaming with USB bulk transfers
[media] stv0900: remove unnecessary null pointer check
[media] fc0011: Return early, if the frequency is already tuned
[media] fc0011: Add some sanity checks and cleanups
[media] fc0011: Fix xin value clamping
Revert "[media] [PATH,1/2] mxl5007 move reset to attach"
...
- Xen ACPI memory and CPU hotplug drivers - allowing Xen hypervisor
to be aware of new CPU and new DIMMs
- Cleanups
Bug-fixes:
- Fixes a long-standing bug in the PV spinlock wherein we did not
kick VCPUs that were in a tight loop.
- Fixes in the error paths for the event channel machinery.
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Merge tag 'stable/for-linus-3.9-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen update from Konrad Rzeszutek Wilk:
"This has two new ACPI drivers for Xen - a physical CPU offline/online
and a memory hotplug. The way this works is that ACPI kicks the
drivers and they make the appropiate hypercall to the hypervisor to
tell it that there is a new CPU or memory. There also some changes to
the Xen ARM ABIs and couple of fixes. One particularly nasty bug in
the Xen PV spinlock code was fixed by Stefan Bader - and has been
there since the 2.6.32!
Features:
- Xen ACPI memory and CPU hotplug drivers - allowing Xen hypervisor
to be aware of new CPU and new DIMMs
- Cleanups
Bug-fixes:
- Fixes a long-standing bug in the PV spinlock wherein we did not
kick VCPUs that were in a tight loop.
- Fixes in the error paths for the event channel machinery"
Fix up a few semantic conflicts with the ACPI interface changes in
drivers/xen/xen-acpi-{cpu,mem}hotplug.c.
* tag 'stable/for-linus-3.9-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen: event channel arrays are xen_ulong_t and not unsigned long
xen: Send spinlock IPI to all waiters
xen: introduce xen_remap, use it instead of ioremap
xen: close evtchn port if binding to irq fails
xen-evtchn: correct comment and error output
xen/tmem: Add missing %s in the printk statement.
xen/acpi: move xen_acpi_get_pxm under CONFIG_XEN_DOM0
xen/acpi: ACPI cpu hotplug
xen/acpi: Move xen_acpi_get_pxm to Xen's acpi.h
xen/stub: driver for CPU hotplug
xen/acpi: ACPI memory hotplug
xen/stub: driver for memory hotplug
xen: implement updated XENMEM_add_to_physmap_range ABI
xen/smp: Move the common CPU init code a bit to prep for PVH patch.
The next change will remove the code from the dw_mmc-exynos that added
the DW_MCI_QUIRK_NO_WRITE_PROTECT. Keep existing functionality of
having no write protect pin on smdk5250 by adding the disable-wp
property.
Signed-off-by: Doug Anderson <dianders@chromium.org>
Acked-by: Seungwon Jeon <tgih.jun@samsung.com>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Chris Ball <cjb@laptop.org>
Pull signal handling cleanups from Al Viro:
"This is the first pile; another one will come a bit later and will
contain SYSCALL_DEFINE-related patches.
- a bunch of signal-related syscalls (both native and compat)
unified.
- a bunch of compat syscalls switched to COMPAT_SYSCALL_DEFINE
(fixing several potential problems with missing argument
validation, while we are at it)
- a lot of now-pointless wrappers killed
- a couple of architectures (cris and hexagon) forgot to save
altstack settings into sigframe, even though they used the
(uninitialized) values in sigreturn; fixed.
- microblaze fixes for delivery of multiple signals arriving at once
- saner set of helpers for signal delivery introduced, several
architectures switched to using those."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: (143 commits)
x86: convert to ksignal
sparc: convert to ksignal
arm: switch to struct ksignal * passing
alpha: pass k_sigaction and siginfo_t using ksignal pointer
burying unused conditionals
make do_sigaltstack() static
arm64: switch to generic old sigaction() (compat-only)
arm64: switch to generic compat rt_sigaction()
arm64: switch compat to generic old sigsuspend
arm64: switch to generic compat rt_sigqueueinfo()
arm64: switch to generic compat rt_sigpending()
arm64: switch to generic compat rt_sigprocmask()
arm64: switch to generic sigaltstack
sparc: switch to generic old sigsuspend
sparc: COMPAT_SYSCALL_DEFINE does all sign-extension as well as SYSCALL_DEFINE
sparc: kill sign-extending wrappers for native syscalls
kill sparc32_open()
sparc: switch to use of generic old sigaction
sparc: switch sys_compat_rt_sigaction() to COMPAT_SYSCALL_DEFINE
mips: switch to generic sys_fork() and sys_clone()
...
On multiplatform kernels, $MACHINE will be empty so there will be no
default LOADADDR. Fail to build the uImage target unless one is provided by the
developer at build time.
Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Now that the maintenance interrupt handling is actually out of the
handler itself, the code becomes quite racy as we can get preempted
while we process the state.
Wrapping this code around the distributor lock ensures that we're not
preempted and relatively race-free.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
The VGIC doesn't guarantee that an EOIed LR that has been configured
to generate a maintenance interrupt will appear as empty.
While the code recovers from this situation, it is better to clean
the LR and flag it as empty so it can be quickly recycled.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Merge misc patches from Andrew Morton:
- Florian has vanished so I appear to have become fbdev maintainer
again :(
- Joel and Mark are distracted to welcome to the new OCFS2 maintainer
- The backlight queue
- Small core kernel changes
- lib/ updates
- The rtc queue
- Various random bits
* akpm: (164 commits)
rtc: rtc-davinci: use devm_*() functions
rtc: rtc-max8997: use devm_request_threaded_irq()
rtc: rtc-max8907: use devm_request_threaded_irq()
rtc: rtc-da9052: use devm_request_threaded_irq()
rtc: rtc-wm831x: use devm_request_threaded_irq()
rtc: rtc-tps80031: use devm_request_threaded_irq()
rtc: rtc-lp8788: use devm_request_threaded_irq()
rtc: rtc-coh901331: use devm_clk_get()
rtc: rtc-vt8500: use devm_*() functions
rtc: rtc-tps6586x: use devm_request_threaded_irq()
rtc: rtc-imxdi: use devm_clk_get()
rtc: rtc-cmos: use dev_warn()/dev_dbg() instead of printk()/pr_debug()
rtc: rtc-pcf8583: use dev_warn() instead of printk()
rtc: rtc-sun4v: use pr_warn() instead of printk()
rtc: rtc-vr41xx: use dev_info() instead of printk()
rtc: rtc-rs5c313: use pr_err() instead of printk()
rtc: rtc-at91rm9200: use dev_dbg()/dev_err() instead of printk()/pr_debug()
rtc: rtc-rs5c372: use dev_dbg()/dev_warn() instead of printk()/pr_debug()
rtc: rtc-ds2404: use dev_err() instead of printk()
rtc: rtc-efi: use dev_err()/dev_warn()/pr_err() instead of printk()
...
The Armada 370 and Armada XP Socs have the same controller that the one
used in the orion platforms. This patch updates the device tree for
these SoCs.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This contains parts of the ARM KVM support that have dependencies on
other patches merged through the arm-soc tree. In combination with
patches coming through Russell's tree, this will finally add full
support for the kernel based virtual machine on ARM, which has
been awaited for some time now.
Further, we now have a separate platform for virtual machines
and qemu booting that is used by both Xen and KVM, separating
these from the Versatile Express reference implementation.
Obviously, this new platform is multiplatform capable so it
can be combined with existing machines in the same kernel.
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Merge tag 'virt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM virtualization changes:
"This contains parts of the ARM KVM support that have dependencies on
other patches merged through the arm-soc tree. In combination with
patches coming through Russell's tree, this will finally add full
support for the kernel based virtual machine on ARM, which has been
awaited for some time now.
Further, we now have a separate platform for virtual machines and qemu
booting that is used by both Xen and KVM, separating these from the
Versatile Express reference implementation. Obviously, this new
platform is multiplatform capable so it can be combined with existing
machines in the same kernel."
* tag 'virt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (38 commits)
ARM: arch_timer: include linux/errno.h
arm: arch_timer: add missing inline in stub function
ARM: KVM: arch_timers: Wire the init code and config option
ARM: KVM: arch_timers: Add timer world switch
ARM: KVM: arch_timers: Add guest timer core support
ARM: KVM: Add VGIC configuration option
ARM: KVM: VGIC initialisation code
ARM: KVM: VGIC control interface world switch
ARM: KVM: VGIC interrupt injection
ARM: KVM: vgic: retire queued, disabled interrupts
ARM: KVM: VGIC virtual CPU interface management
ARM: KVM: VGIC distributor handling
ARM: KVM: VGIC accept vcpu and dist base addresses from user space
ARM: KVM: Initial VGIC infrastructure code
ARM: KVM: Keep track of currently running vcpus
KVM: ARM: Introduce KVM_ARM_SET_DEVICE_ADDR ioctl
ARM: gic: add __ASSEMBLY__ guard to C definitions
ARM: gic: define GICH offsets for VGIC support
ARM: gic: add missing distributor defintions
ARM: mach-virt: fixup machine descriptor after removal of sys_timer
...
These are device tree conversions for a number of platforms,
with the intention of turning code from board files into
device tree descriptions. Notable changes are:
* davinci bindings for pinctrl, MTD, RTC, watchdog and i2c
* nomadik bindings for all devices, removing the board files
* bcm2835 bindings for mmc and i2c
* tegra bindings for hdmi, keyboard, audio, as well as some updates
* at91 bindings for hardware ecc and for devices on RM9200
* mxs bindings for cfa100xx
* sunxi support for Miniand Hackberry board
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC device tree conversions from Arnd Bergmann:
"These are device tree conversions for a number of platforms, with the
intention of turning code from board files into device tree
descriptions. Notable changes are:
- davinci bindings for pinctrl, MTD, RTC, watchdog and i2c
- nomadik bindings for all devices, removing the board files
- bcm2835 bindings for mmc and i2c
- tegra bindings for hdmi, keyboard, audio, as well as some updates
- at91 bindings for hardware ecc and for devices on RM9200
- mxs bindings for cfa100xx
- sunxi support for Miniand Hackberry board"
* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (72 commits)
Revert "sunxi: a10-cubieboard: Add user LEDs to the device tree"
Revert "sunxi: a13-olinuxino: Add user LED to the device tree"
clk: tegra: initialise parent of uart clocks
ARM: tegra: remove clock-frequency properties from serial nodes
clk: tegra: fix driver to match DT binding
clk: tegra: local arrays should be static
clk: tegra: Add missing spinlock for hclk and pclk
clk: tegra: Implement locking for super clock
clk: tegra: fix wrong clock index between se to sata_cold
sunxi: a13-olinuxino: Add user LED to the device tree
ARM: davinci: da850 DT: add support for machine reboot
ARM: davinci: da850: add wdt DT node
ARM: davinci: da850: add DT node for I2C0
ARM: at91: at91sam9n12: add DT parameters to enable PMECC
ARM: at91: at91sam9x5: add DT parameters to enable PMECC
ARM: at91: add EMAC bindings to RM9200 DT
ARM: at91: add SSC bindings to RM9200 DT
ARM: at91: add MMC bindings to RM9200 DT
ARM: at91: Animeo IP: enable watchdog support
ARM: nomadik: fix OF compilation regression
...
These updates are all for board specific code, including
* defconfig updates for shmobile, davinci, bcm2835, imx, omap and tegra
* SD/MMC and I2C support on bcm2835 (Raspberry PI)
* minor updates for PXA
* shmobile updates to GPIO usage in board files
* More things in OMAP board files are moved over to device tree probing
* Better support for audio devices on some OMAP platforms
Conflicts include the omap board-apollon.c file that is removed without
a replacement, and conflicting context in the 4430sdp board file.
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Merge tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC board specific changes from Arnd Bergmann:
"These updates are all for board specific code, including
- defconfig updates for shmobile, davinci, bcm2835, imx, omap and
tegra
- SD/MMC and I2C support on bcm2835 (Raspberry PI)
- minor updates for PXA
- shmobile updates to GPIO usage in board files
- More things in OMAP board files are moved over to device tree
probing
- Better support for audio devices on some OMAP platforms"
* tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (55 commits)
ARM: imx_v4_v5_defconfig: Add VPU support
ARM: imx: configs: enable netfilter support
ARM: OMAP2+: Fix twl section warnings related to omap_twl4030_audio_init
ARM: OMAP2+: omap2plus_defconfig: enable omap1 rtc
RX-51: Register twl4030-madc device
RX-51: Add leds lp5523 names from Maemo 5 2.6.28 kernel
ARM: OMAP2+: AM33XX: omap2plus_defconfig: Add support for few drivers
ARM: OMAP1: nokia770: enable CBUS/Retu
ARM: OMAP2+: omap2plus_defconfig: enable CMA allocator
ARM: OMAP2+: omap2plus_defconfig: enable TFP410 chip support
ARM: OMAP3: igep0020: simplify GPIO LEDs dependencies
ARM: OMAP2+: craneboard: support the TPS65910 PMU
ARM: OMAP2+: craneboard: support NAND device
ARM: OMAP3: cm-t3517: add MMC support
ARM: OMAP2+: Remove apollon board support
ARM: shmobile: armadillo800eva: set clock rates before timer init
ARM: tegra: defconfig updates
ARM: shmobile: mackerel: Use gpio_request_one()
ARM: shmobile: kzm9g: Use gpio_request_one()
ARM: shmobile: bonito: Use gpio_request_one()
...
This is a larger set of new functionality for the existing SoC families,
including:
* vt8500 gains support for new CPU cores, notably the Cortex-A9 based wm8850
* prima2 gains support for the "marco" SoC family, its SMP based cousin
* tegra gains support for the new Tegra4 (Tegra114) family
* socfpga now supports a newer version of the hardware including SMP
* i.mx31 and bcm2835 are now using DT probing for their clocks
* lots of updates for sh-mobile
* OMAP updates for clocks, power management and USB
* i.mx6q and tegra now support cpuidle
* kirkwood now supports PCIe hot plugging
* tegra clock support is updated
* tegra USB PHY probing gets implemented diffently
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Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC-specific updates from Arnd Bergmann:
"This is a larger set of new functionality for the existing SoC
families, including:
- vt8500 gains support for new CPU cores, notably the Cortex-A9 based
wm8850
- prima2 gains support for the "marco" SoC family, its SMP based
cousin
- tegra gains support for the new Tegra4 (Tegra114) family
- socfpga now supports a newer version of the hardware including SMP
- i.mx31 and bcm2835 are now using DT probing for their clocks
- lots of updates for sh-mobile
- OMAP updates for clocks, power management and USB
- i.mx6q and tegra now support cpuidle
- kirkwood now supports PCIe hot plugging
- tegra clock support is updated
- tegra USB PHY probing gets implemented diffently"
* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (148 commits)
ARM: prima2: remove duplicate v7_invalidate_l1
ARM: shmobile: r8a7779: Correct TMU clock support again
ARM: prima2: fix __init section for cpu hotplug
ARM: OMAP: Consolidate OMAP USB-HS platform data (part 3/3)
ARM: OMAP: Consolidate OMAP USB-HS platform data (part 1/3)
arm: socfpga: Add SMP support for actual socfpga harware
arm: Add v7_invalidate_l1 to cache-v7.S
arm: socfpga: Add entries to enable make dtbs socfpga
arm: socfpga: Add new device tree source for actual socfpga HW
ARM: tegra: sort Kconfig selects for Tegra114
ARM: tegra: enable ARCH_REQUIRE_GPIOLIB for Tegra114
ARM: tegra: Fix build error w/ ARCH_TEGRA_114_SOC w/o ARCH_TEGRA_3x_SOC
ARM: tegra: Fix build error for gic update
ARM: tegra: remove empty tegra_smp_init_cpus()
ARM: shmobile: Register ARM architected timer
ARM: MARCO: fix the build issue due to gic-vic-to-irqchip move
ARM: shmobile: r8a7779: Correct TMU clock support
ARM: mxs_defconfig: Select CONFIG_DEVTMPFS_MOUNT
ARM: mxs: decrease mxs_clockevent_device.min_delta_ns to 2 clock cycles
ARM: mxs: use apbx bus clock to drive the timers on timrotv2
...
Converting more ARM platforms to multiplatform support. This time, OMAP
gets converted, which is a major step since this is by far the largest
platform in terms of code size. The same thing happens to the vt8500
platform.
Conflicts include:
* Two mach/uncompress.h files are removed, the changes made to them
elsewhere can be discarded now.
* Moving the OMAP4 irq_match array has context clashes with turning
omap4_sar_ram_init into an omap_early_initcall()
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Merge tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC multiplatform support from Arnd Bergmann:
"Converting more ARM platforms to multiplatform support. This time,
OMAP gets converted, which is a major step since this is by far the
largest platform in terms of code size. The same thing happens to the
vt8500 platform."
* tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
net: cwdavinci_cpdma: export symbols for cpsw
remoteproc: omap: depend on OMAP_MBOX_FWK
[media] davinci: do not include mach/hardware.h
ARM: OMAP2+: Make sure files with omap initcalls include soc.h
ARM: OMAP2+: Include soc.h to drm.c to fix compiling
ARM: OMAP2+: Fix warning for hwspinlock omap_postcore_initcall
ARM: multi_v7_defconfig: add ARCH_ZYNQ
ARM: multi_v7_defconfig: remove unnecessary CONFIG_GPIOLIB
arm: vt8500: Remove remaining mach includes
arm: vt8500: Convert debug-macro.S to be multiplatform friendly
arm: vt8500: Remove single platform Kconfig options
ARM: OMAP2+: Remove now obsolete uncompress.h and debug-macro.S
ARM: OMAP2+: Add minimal support for booting vexpress
ARM: OMAP2+: Enable ARCH_MULTIPLATFORM support
ARM: OMAP2+: Disable code that currently does not work with multiplaform
ARM: OMAP2+: Add multiplatform debug_ll support
ARM: OMAP: Fix dmaengine init for multiplatform
ARM: OMAP: Fix i2c cmdline initcall for multiplatform
ARM: OMAP2+: Use omap initcalls
ARM: OMAP2+: Limit omap initcalls to omap only on multiplatform kernels
* Updates to the ux500 cpufreq code
* Moving the u300 DMA controller driver to drivers/dma
* Moving versatile express drivers out of arch/arm for sharing with arch/arm64
* Device tree bindings for the OMAP General Purpose Memory Controller
There is a simple conflict in drivers/cpufreq/dbx500-cpufreq.c, because
the mach/id.h header and the cpu_is_u8500_family() function in it are
now gone.
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Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver specific changes from Arnd Bergmann:
- Updates to the ux500 cpufreq code
- Moving the u300 DMA controller driver to drivers/dma
- Moving versatile express drivers out of arch/arm for sharing with arch/arm64
- Device tree bindings for the OMAP General Purpose Memory Controller
* tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (27 commits)
ARM: OMAP2+: gpmc: Add device tree documentation for elm handle
ARM: OMAP2+: gpmc: add DT bindings for OneNAND
ARM: OMAP2+: gpmc-onenand: drop __init annotation
mtd: omap-onenand: pass device_node in platform data
ARM: OMAP2+: Prevent potential crash if GPMC probe fails
ARM: OMAP2+: gpmc: Remove unneeded of_node_put()
arm: Move sp810.h to include/linux/amba/
ARM: OMAP: gpmc: add DT bindings for GPMC timings and NAND
ARM: OMAP: gpmc: enable hwecc for AM33xx SoCs
ARM: OMAP: gpmc-nand: drop __init annotation
mtd: omap-nand: pass device_node in platform data
ARM: OMAP: gpmc: don't create devices from initcall on DT
dma: coh901318: cut down on platform data abstraction
dma: coh901318: merge header files
dma: coh901318: push definitions into driver
dma: coh901318: push header down into the DMA subsystem
dma: coh901318: skip hard-coded addresses
dma: coh901318: remove hardcoded target addresses
dma: coh901318: push platform data into driver
dma: coh901318: create a proper platform data file
...
This is another cleanup series, containing the move of the Renesas
SH-Mobile pin controller code from arch/arm/mach-shmobile over to the
generic pinctrl subsystem, changing it over to the common interfaces in
the process.
Based on agreement between Olof, Paul Mundt, Linus Walleij and Simon,
we're merging this large branch of pinctrl conversion through arm-soc,
even though it contains the corresponding conversions for arch/sh. Main
reason for this is tight dependencies (that will now mostly be broken)
between the arch/sh and mach-shmobile implementations.
There will be more of this in 3.10 to do device-tree bindings, but this
is the initial conversion.
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Merge tag 'sh-pinmux' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull sh-mobile pinctrl conversion from Arnd Bergmann:
"This is another cleanup series, containing the move of the Renesas
SH-Mobile pin controller code from arch/arm/mach-shmobile over to the
generic pinctrl subsystem, changing it over to the common interfaces
in the process.
Based on agreement between Olof, Paul Mundt, Linus Walleij and Simon,
we're merging this large branch of pinctrl conversion through arm-soc,
even though it contains the corresponding conversions for arch/sh.
Main reason for this is tight dependencies (that will now mostly be
broken) between the arch/sh and mach-shmobile implementations.
There will be more of this in 3.10 to do device-tree bindings, but
this is the initial conversion."
* tag 'sh-pinmux' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (81 commits)
sh-pfc: sh_pfc_probe() sizeof() fix
sh-pfc: Move sh_pfc.h from include/linux/ to driver directory
sh-pfc: Remove pinmux_info definition
sh: Remove unused sh_pfc_register_info() function
sh: shx3: pinmux: Use driver-provided pinmux info
sh: sh7786: pinmux: Use driver-provided pinmux info
sh: sh7785: pinmux: Use driver-provided pinmux info
sh: sh7757: pinmux: Use driver-provided pinmux info
sh: sh7734: pinmux: Use driver-provided pinmux info
sh: sh7724: pinmux: Use driver-provided pinmux info
sh: sh7723: pinmux: Use driver-provided pinmux info
sh: sh7722: pinmux: Use driver-provided pinmux info
sh: sh7720: pinmux: Use driver-provided pinmux info
sh: sh7269: pinmux: Use driver-provided pinmux info
sh: sh7264: pinmux: Use driver-provided pinmux info
sh: sh7203: pinmux: Use driver-provided pinmux info
ARM: shmobile: sh73a0: Use driver-provided pinmux info
ARM: shmobile: sh7372: Use driver-provided pinmux info
ARM: shmobile: r8a7779: Use driver-provided pinmux info
ARM: shmobile: r8a7740: Use driver-provided pinmux info
...
A large number of cleanups, all over the platforms. This is dominated
largely by the Samsung platforms (s3c, s5p, exynos) and a few of the
others moving code out of arch/arm into more appropriate subsystems.
The clocksource and irqchip drivers are now abstracted to the point
where platforms that are already cleaned up do not need to even specify
the driver they use, it can all get configured from the device tree
as we do for normal device drivers. The clocksource changes basically
touch every single platform in the process.
We further clean up the use of platform specific header files here,
with the goal of turning more of the platforms over to being
"multiplatform" enabled, which implies that they cannot expose
their headers to architecture independent code any more.
It is expected that no functional changes are part of the cleanup.
The overall reduction in total code lines is mostly the result of
removing broken and obsolete code.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Arnd Bergmann:
"A large number of cleanups, all over the platforms. This is dominated
largely by the Samsung platforms (s3c, s5p, exynos) and a few of the
others moving code out of arch/arm into more appropriate subsystems.
The clocksource and irqchip drivers are now abstracted to the point
where platforms that are already cleaned up do not need to even
specify the driver they use, it can all get configured from the device
tree as we do for normal device drivers. The clocksource changes
basically touch every single platform in the process.
We further clean up the use of platform specific header files here,
with the goal of turning more of the platforms over to being
"multiplatform" enabled, which implies that they cannot expose their
headers to architecture independent code any more.
It is expected that no functional changes are part of the cleanup.
The overall reduction in total code lines is mostly the result of
removing broken and obsolete code."
* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (133 commits)
ARM: mvebu: correct gated clock documentation
ARM: kirkwood: add missing include for nsa310
ARM: exynos: move exynos4210-combiner to drivers/irqchip
mfd: db8500-prcmu: update resource passing
drivers/db8500-cpufreq: delete dangling include
ARM: at91: remove NEOCORE 926 board
sunxi: Cleanup the reset code and add meaningful registers defines
ARM: S3C24XX: header mach/regs-mem.h local
ARM: S3C24XX: header mach/regs-power.h local
ARM: S3C24XX: header mach/regs-s3c2412-mem.h local
ARM: S3C24XX: Remove plat-s3c24xx directory in arch/arm/
ARM: S3C24XX: transform s3c2443 subirqs into new structure
ARM: S3C24XX: modify s3c2443 irq init to initialize all irqs
ARM: S3C24XX: move s3c2443 irq code to irq.c
ARM: S3C24XX: transform s3c2416 irqs into new structure
ARM: S3C24XX: modify s3c2416 irq init to initialize all irqs
ARM: S3C24XX: move s3c2416 irq init to common irq code
ARM: S3C24XX: Modify s3c_irq_wake to use the hwirq property
ARM: S3C24XX: Move irq syscore-ops to irq-pm
clocksource: always define CLOCKSOURCE_OF_DECLARE
...
Bug fixes that did not make it into v3.8, mostly because they were not
considered important enough, and in some cases because bugs only show
up in combination with other patches destined for 3.9.
This includes a few larger patches for GPIO on the Marvell PXA platform
and a lot of Samsung specific bug fixes, as well as a series from Arnd
to fix older build warnings.
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Merge tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull non-critical ARM SoC bug fixes from Arnd Bergmann:
"Bug fixes that did not make it into v3.8, mostly because they were not
considered important enough, and in some cases because bugs only show
up in combination with other patches destined for 3.9. This includes
a few larger patches for GPIO on the Marvell PXA platform and a lot of
Samsung specific bug fixes, as well as a series from Arnd to fix older
build warnings."
* tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits)
ARM: SPEAr13xx: Enable CONFIG_ARCH_HAS_CPUFREQ
ARM: imx: MACH_MX31ADS_WM1133_EV1 needs REGULATOR_WM8350
scripts/sortextable: silence script output
ARM: s3c: i2c: add platform_device forward declaration
ARM: mvebu: allow selecting mvebu without Armada XP
ARM: pick Versatile by default for !MMU
ARM: integrator: fix build with INTEGRATOR_AP off
ARM: integrator/versatile: fix NOMMU warnings
ARM: sa1100: don't warn about mach/ide.h
ARM: shmobile: fix defconfig warning on CONFIG_USB
ARM: w90x900: fix legacy assembly syntax
ARM: samsung: fix assembly syntax for new gas
ARM: disable virt_to_bus/virt_to_bus almost everywhere
ARM: dts: Correct pin configuration of SD 4 for exynos4x12-pinctrl
ARM: SAMSUNG: Silence empty switch warning in fimc-core.h
ARM: SAMSUNG: Silence empty switch warning in sdhci.h
ARM: msm: proc_comm_boot_wait should not be __init
arm: vt8500: Update MAINTAINERS entry for arch-vt8500
ARM: integrator: ensure ap_syscon_base is initialised when !CONFIG_MMU
ARM: S5PV210: Fix early uart output in fifo mode
...
Here's the big tty/serial driver patches for 3.9-rc1.
More tty port rework and fixes from Jiri here, as well as lots of
individual serial driver updates and fixes.
All of these have been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial patches from Greg Kroah-Hartman:
"Here's the big tty/serial driver patches for 3.9-rc1.
More tty port rework and fixes from Jiri here, as well as lots of
individual serial driver updates and fixes.
All of these have been in the linux-next tree for a while."
* tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (140 commits)
tty: mxser: improve error handling in mxser_probe() and mxser_module_init()
serial: imx: fix uninitialized variable warning
serial: tegra: assume CONFIG_OF
TTY: do not update atime/mtime on read/write
lguest: select CONFIG_TTY to build properly.
ARM defconfigs: add missing inclusions of linux/platform_device.h
fb/exynos: include platform_device.h
ARM: sa1100/assabet: include platform_device.h directly
serial: imx: Fix recursive locking bug
pps: Fix build breakage from decoupling pps from tty
tty: Remove ancient hardpps()
pps: Additional cleanups in uart_handle_dcd_change
pps: Move timestamp read into PPS code proper
pps: Don't crash the machine when exiting will do
pps: Fix a use-after free bug when unregistering a source.
pps: Use pps_lookup_dev to reduce ldisc coupling
pps: Add pps_lookup_dev() function
tty: serial: uartlite: Support uartlite on big and little endian systems
tty: serial: uartlite: Fix sparse and checkpatch warnings
serial/arc-uart: Miscll DT related updates (Grant's review comments)
...
Fix up trivial conflicts, mostly just due to the TTY config option
clashing with the EXPERIMENTAL removal.
Here's the big USB merge for 3.9-rc1
Nothing major, lots of gadget fixes, and of course, xhci stuff.
All of this has been in linux-next for a while, with the exception of
the last 3 patches, which were reverts of patches in the tree that
caused problems, they went in yesterday.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg Kroah-Hartman:
"Here's the big USB merge for 3.9-rc1
Nothing major, lots of gadget fixes, and of course, xhci stuff.
All of this has been in linux-next for a while, with the exception of
the last 3 patches, which were reverts of patches in the tree that
caused problems, they went in yesterday."
* tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (190 commits)
Revert "USB: EHCI: make ehci-vt8500 a separate driver"
Revert "USB: EHCI: make ehci-orion a separate driver"
Revert "USB: update host controller Kconfig entries"
USB: update host controller Kconfig entries
USB: EHCI: make ehci-orion a separate driver
USB: EHCI: make ehci-vt8500 a separate driver
USB: usb-storage: unusual_devs update for Super TOP SATA bridge
USB: ehci-omap: Fix autoloading of module
USB: ehci-omap: Don't free gpios that we didn't request
USB: option: add Huawei "ACM" devices using protocol = vendor
USB: serial: fix null-pointer dereferences on disconnect
USB: option: add Yota / Megafon M100-1 4g modem
drivers/usb: add missing GENERIC_HARDIRQS dependencies
USB: storage: properly handle the endian issues of idProduct
testusb: remove all mentions of 'usbfs'
usb: gadget: imx_udc: make it depend on BROKEN
usb: omap_control_usb: fix compile warning
ARM: OMAP: USB: Add phy binding information
ARM: OMAP2: MUSB: Specify omap4 has mailbox
ARM: OMAP: devices: create device for usb part of control module
...
Here's the big staging tree merge for 3.9-rc1
Lots of cleanups and updates for drivers all through the staging tree.
We are pretty much "code neutral" here, adding just about as many lines
as we removed.
All of these have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging tree update from Greg Kroah-Hartman:
"Here's the big staging tree merge for 3.9-rc1
Lots of cleanups and updates for drivers all through the staging tree.
We are pretty much "code neutral" here, adding just about as many
lines as we removed.
All of these have been in linux-next for a while."
* tag 'staging-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (804 commits)
staging: comedi: vmk80xx: wait for URBs to complete
staging: comedi: drivers: addi-data: hwdrv_apci3200.c: Add a missing semicolon
staging: et131x: Update TODO list
staging: et131x: Remove assignment of skb->dev
staging: wlan-ng: hfa384x.h: fix for error reported by smatch
staging/zache checkpatch ERROR: spaces prohibited around that
staging/ozwpan: Mark read only parameters and structs as const
staging/ozwpan: Remove empty and unused function oz_cdev_heartbeat
staging/ozwpan: Mark local functions as static (fix sparse warnings)
staging/ozwpan: Add missing header includes
staging/usbip: Mark local functions as static (fix sparse warnings)
staging/xgifb: Remove duplicated code in loops.
staging/xgifb: Consolidate return paths
staging/xgifb: Remove code without effect
staging/xgifb: Remove unnecessary casts
staging/xgifb: Consolidate if/else if with identical code branches
staging: vt6656: replaced custom TRUE definition with true
staging: vt6656: replaced custom FALSE definition with false
staging: vt6656: replace custom BOOL definition with bool
staging/rtl8187se: Mark functions as static to silence sparse
...
Here is the big driver core merge for 3.9-rc1
There are two major series here, both of which touch lots of drivers all
over the kernel, and will cause you some merge conflicts:
- add a new function called devm_ioremap_resource() to properly be
able to check return values.
- remove CONFIG_EXPERIMENTAL
If you need me to provide a merged tree to handle these resolutions,
please let me know.
Other than those patches, there's not much here, some minor fixes and
updates.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core patches from Greg Kroah-Hartman:
"Here is the big driver core merge for 3.9-rc1
There are two major series here, both of which touch lots of drivers
all over the kernel, and will cause you some merge conflicts:
- add a new function called devm_ioremap_resource() to properly be
able to check return values.
- remove CONFIG_EXPERIMENTAL
Other than those patches, there's not much here, some minor fixes and
updates"
Fix up trivial conflicts
* tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (221 commits)
base: memory: fix soft/hard_offline_page permissions
drivercore: Fix ordering between deferred_probe and exiting initcalls
backlight: fix class_find_device() arguments
TTY: mark tty_get_device call with the proper const values
driver-core: constify data for class_find_device()
firmware: Ignore abort check when no user-helper is used
firmware: Reduce ifdef CONFIG_FW_LOADER_USER_HELPER
firmware: Make user-mode helper optional
firmware: Refactoring for splitting user-mode helper code
Driver core: treat unregistered bus_types as having no devices
watchdog: Convert to devm_ioremap_resource()
thermal: Convert to devm_ioremap_resource()
spi: Convert to devm_ioremap_resource()
power: Convert to devm_ioremap_resource()
mtd: Convert to devm_ioremap_resource()
mmc: Convert to devm_ioremap_resource()
mfd: Convert to devm_ioremap_resource()
media: Convert to devm_ioremap_resource()
iommu: Convert to devm_ioremap_resource()
drm: Convert to devm_ioremap_resource()
...
The biggest change in this update is the unification of HD-audio codec
parsers. Now the HD-audio codec is parsed in a generic parser code
which is invoked by each HD-audio codec driver. Some background
information is found in David Henningsson's blog entry:
http://voices.canonical.com/david.henningsson/2013/01/18/upcoming-changes-to-the-intel-hda-drivers/
Other than that, some random updates/fixes like USB-audio and a bunch
of small AoC updates as usual.
Highlights:
- Unification of HD-audio parser code (aka generic parser)
- Support of new Intel HD-audio controller, new IDT codecs
- Fixes for HD-audio HDMI audio hotplug
- Haswell HDMI audio fixup
- Support of Creative CA0132 DSP code
- A few fixes of HDSP driver
- USB-audio fix for Roland A-PRO, M-Audio FT C600
- Support PM for aloop driver (and fixes Oops)
- Compress API updates for gapless playback support
For ASoC part:
- Support for a wider range of hardware in the compressed stream code
- The ability to mute capture streams as well as playback streams while
inactive
- DT support for AK4642, FSI, Samsung I2S and WM8962
- AC'97 support for Tegra
- New driver for max98090, replacing the stub which was there
- A new driver from Dialog
Note that due to dependencies, DTification of DMA support for Samsung
platforms (used only by the and I2S driver and SPI) is merged here as
well.
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Merge tag 'sound-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"The biggest change in this update is the unification of HD-audio codec
parsers. Now the HD-audio codec is parsed in a generic parser code
which is invoked by each HD-audio codec driver.
Some background information is found in David Henningsson's blog
entry:
http://voices.canonical.com/david.henningsson/2013/01/18/upcoming-changes-to-the-intel-hda-drivers/
Other than that, some random updates/fixes like USB-audio and a bunch
of small AoC updates as usual.
Highlights:
- Unification of HD-audio parser code (aka generic parser)
- Support of new Intel HD-audio controller, new IDT codecs
- Fixes for HD-audio HDMI audio hotplug
- Haswell HDMI audio fixup
- Support of Creative CA0132 DSP code
- A few fixes of HDSP driver
- USB-audio fix for Roland A-PRO, M-Audio FT C600
- Support PM for aloop driver (and fixes Oops)
- Compress API updates for gapless playback support
For ASoC part:
- Support for a wider range of hardware in the compressed stream code
- The ability to mute capture streams as well as playback streams
while inactive
- DT support for AK4642, FSI, Samsung I2S and WM8962
- AC'97 support for Tegra
- New driver for max98090, replacing the stub which was there
- A new driver from Dialog
Note that due to dependencies, DTification of DMA support for Samsung
platforms (used only by the and I2S driver and SPI) is merged here as
well."
Fix up trivial conflict in drivers/spi/spi-s3c64xx.c due to removed code
being changed.
* tag 'sound-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (453 commits)
ALSA: usb: Fix Processing Unit Descriptor parsers
ALSA: hda - hdmi: Notify userspace when ELD control changes
ALSA: hda - hdmi: Protect ELD buffer
ALSA: hda - hdmi: Refactor hdmi_eld into parsed_hdmi_eld
ALSA: hda - hdmi: Do not expose eld data when eld is invalid
ALSA: hda - hdmi: ELD shouldn't be valid after unplug
ALSA: hda - Fix the silent speaker output on Fujitsu S7020 laptop
ALSA: hda - add quirks for mute LED on two HP machines
ALSA: usb/quirks, fix out-of-bounds access
ASoC: codecs: Add da7213 codec
ALSA: au88x0 - Define channel map for au88x0
ALSA: compress: add support for gapless playback
ALSA: hda - Remove speaker clicks on CX20549
ALSA: hda - Disable runtime PM for Intel 5 Series/3400
ALSA: hda - Increase badness for missing multi-io
ASoC: arizona: Automatically manage input mutes
ALSA: hda - Fix broken workaround for HDMI/SPDIF conflicts
ALSA: hda/ca0132 - Add missing \n to debug prints
ALSA: hda/ca0132 - Fix type of INVALID_CHIP_ADDRESS
ALSA: hda - update documentation for no-primary-hp fixup
...
Following commit 26ffd0d4 (ARM: mm: introduce present, faulting entries
for PAGE_NONE), if a page has been mapped as PROT_NONE, the L_PTE_VALID
bit is cleared by the set_pte_ext() code. With LPAE the software and
hardware pte share the same location and subsequent modifications of pte
range (change_protection()) will leave the L_PTE_VALID bit cleared.
This patch adds the L_PTE_VALID bit to the newprot mask in pte_modify().
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-by: Subash Patel <subash.rp@samsung.com>
Tested-by: Subash Patel <subash.rp@samsung.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: <stable@vger.kernel.org> # 3.8.x
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
When udelay() is implemented using an architected timer, it is wrong
to scale loops_per_jiffy when changing the CPU clock frequency since
the timer clock remains constant.
The lpj should probably become an implementation detail relevant to
the CPU loop based delay routine only and more confined to it. In the
mean time this is the minimal fix needed to have expected delays with
the timer based implementation when cpufreq is also in use.
Reported-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Cc: stable@vger.kernel.org
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Pull networking update from David Miller:
1) Checkpoint/restarted TCP sockets now can properly propagate the TCP
timestamp offset. From Andrey Vagin.
2) VMWARE VM VSOCK layer, from Andy King.
3) Much improved support for virtual functions and SR-IOV in bnx2x,
from Ariel ELior.
4) All protocols on ipv4 and ipv6 are now network namespace aware, and
all the compatability checks for initial-namespace-only protocols is
removed. Thanks to Tom Parkin for helping deal with the last major
holdout, L2TP.
5) IPV6 support in netpoll and network namespace support in pktgen,
from Cong Wang.
6) Multiple Registration Protocol (MRP) and Multiple VLAN Registration
Protocol (MVRP) support, from David Ward.
7) Compute packet lengths more accurately in the packet scheduler, from
Eric Dumazet.
8) Use per-task page fragment allocator in skb_append_datato_frags(),
also from Eric Dumazet.
9) Add support for connection tracking labels in netfilter, from
Florian Westphal.
10) Fix default multicast group joining on ipv6, and add anti-spoofing
checks to 6to4 and 6rd. From Hannes Frederic Sowa.
11) Make ipv4/ipv6 fragmentation memory limits more reasonable in modern
times, rearrange inet frag datastructures for better cacheline
locality, and move more operations outside of locking. From Jesper
Dangaard Brouer.
12) Instead of strict master <--> slave relationships, allow arbitrary
scenerios with "upper device lists". From Jiri Pirko.
13) Improve rate limiting accuracy in TBF and act_police, also from Jiri
Pirko.
14) Add a BPF filter netfilter match target, from Willem de Bruijn.
15) Orphan and delete a bunch of pre-historic networking drivers from
Paul Gortmaker.
16) Add TSO support for GRE tunnels, from Pravin B SHelar. Although
this still needs some minor bug fixing before it's %100 correct in
all cases.
17) Handle unresolved IPSEC states like ARP, with a resolution packet
queue. From Steffen Klassert.
18) Remove TCP Appropriate Byte Count support (ABC), from Stephen
Hemminger. This was long overdue.
19) Support SO_REUSEPORT, from Tom Herbert.
20) Allow locking a socket BPF filter, so that it cannot change after a
process drops capabilities.
21) Add VLAN filtering to bridge, from Vlad Yasevich.
22) Bring ipv6 on-par with ipv4 and do not cache neighbour entries in
the ipv6 routes, from YOSHIFUJI Hideaki.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1538 commits)
ipv6: fix race condition regarding dst->expires and dst->from.
net: fix a wrong assignment in skb_split()
ip_gre: remove an extra dst_release()
ppp: set qdisc_tx_busylock to avoid LOCKDEP splat
atl1c: restore buffer state
net: fix a build failure when !CONFIG_PROC_FS
net: ipv4: fix waring -Wunused-variable
net: proc: fix build failed when procfs is not configured
Revert "xen: netback: remove redundant xenvif_put"
net: move procfs code to net/core/net-procfs.c
qmi_wwan, cdc-ether: add ADU960S
bonding: set sysfs device_type to 'bond'
bonding: fix bond_release_all inconsistencies
b44: use netdev_alloc_skb_ip_align()
xen: netback: remove redundant xenvif_put
net: fec: Do a sanity check on the gpio number
ip_gre: propogate target device GSO capability to the tunnel device
ip_gre: allow CSUM capable devices to handle packets
bonding: Fix initialize after use for 3ad machine state spinlock
bonding: Fix race condition between bond_enslave() and bond_3ad_update_lacp_rate()
...
Pull ARM updates (part two) from Russell King:
- breakpoint and perf updates from Will Deacon.
- hypervisor boot mode updates from Will.
- support for Power State Coordination Interface via the Hypervisor
- core ARM support for KVM
* 'for-linus-2' of git://git.linaro.org/people/rmk/linux-arm: (32 commits)
KVM: ARM: Add maintainer entry for KVM/ARM
KVM: ARM: Power State Coordination Interface implementation
KVM: ARM: Handle I/O aborts
KVM: ARM: Handle guest faults in KVM
KVM: ARM: VFP userspace interface
KVM: ARM: Demux CCSIDR in the userspace API
KVM: ARM: User space API for getting/setting co-proc registers
KVM: ARM: Emulation framework and CP15 emulation
KVM: ARM: World-switch implementation
KVM: ARM: Inject IRQs and FIQs from userspace
KVM: ARM: Memory virtualization setup
KVM: ARM: Hypervisor initialization
KVM: ARM: Initial skeleton to compile KVM support
ARM: Section based HYP idmap
ARM: Add page table and page defines needed by KVM
ARM: perf: simplify __hw_perf_event_init err handling
ARM: perf: remove unnecessary checks for idx < 0
ARM: perf: handle armpmu_register failing
ARM: perf: don't pretend to support counting of L1I writes
ARM: perf: remove redundant NULL check on cpu_pmu
...
Pull ARM updates (part one) from Russell King:
- MMC patches from Ulf Hansson and Pawel Moll. These add support for
DDR mode and the latest variant found on ARM Versatile Express, as
well as a number of cleanups.
- A fix for to improve the behaviour of ARMs sched_clock()
- Changes to the ARM ioremap() code. I'm not convinced with the
primary arguments for this, but it's been around for a while, and
people seem happy with it - and the "other" justification for this is
at
http://lkml.org/lkml/2012/12/6/184
- Add SCHED_HRTICK to ARMs Kconfig
- Making the ARM SHA/AES code Thumb-2 compatible
- A collection of other small updates.
* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (26 commits)
ARM: add SCHED_HRTICK config option
ARM: 7650/1: mm: replace direct access to mm->context.id with new macro
ARM: 7649/1: mm: mm->context.id fix for big-endian
ARM: 7648/1: pci: Allow passing per-controller private data
ARM: 7647/1: pci: Keep pci_common_init() around after init
ARM: fix warnings introduced by previous patch
ARM: 7646/1: mm: use static_vm for managing static mapped areas
ARM: 7645/1: ioremap: introduce an infrastructure for static mapped area
ARM: 7644/1: vmregion: remove vmregion code entirely
MAINTAINERS: Re-assert MMCI driver maintainer status
MAINTAINERS: add additional file for MMCI driver
MAINTAINERS: add maintainer entry for AMBA serial drivers
ARM: 7637/1: memory: use SZ_ constants for defining the virtual memory layout
ARM: 7643/1: sched: correct update_sched_clock()
ARM: 7635/1: versatile: fix the PCI IRQ regression
ARM: 7639/1: cache-l2x0: add missed dummy outer_resume entry
ARM: 7630/1: mmc: mmci: Fixup and cleanup code for DMA handling
ARM: 7632/1: spinlock: avoid exclusive accesses on unlock() path
ARM: 7631/1: mmc: mmci: Add new VE MMCI variant
ARM: 7623/1: mmc: mmci: Fixup clock gating when freq is 0 for ST-variants
...
- Rework of the ACPI namespace scanning code from Rafael J. Wysocki
with contributions from Bjorn Helgaas, Jiang Liu, Mika Westerberg,
Toshi Kani, and Yinghai Lu.
- ACPI power resources handling and ACPI device PM update from
Rafael J. Wysocki.
- ACPICA update to version 20130117 from Bob Moore and Lv Zheng
with contributions from Aaron Lu, Chao Guan, Jesper Juhl, and
Tim Gardner.
- Support for Intel Lynxpoint LPSS from Mika Westerberg.
- cpuidle update from Len Brown including Intel Haswell support, C1
state for intel_idle, removal of global pm_idle.
- cpuidle fixes and cleanups from Daniel Lezcano.
- cpufreq fixes and cleanups from Viresh Kumar and Fabio Baltieri
with contributions from Stratos Karafotis and Rickard Andersson.
- Intel P-states driver for Sandy Bridge processors from
Dirk Brandewie.
- cpufreq driver for Marvell Kirkwood SoCs from Andrew Lunn.
- cpufreq fixes related to ordering issues between acpi-cpufreq and
powernow-k8 from Borislav Petkov and Matthew Garrett.
- cpufreq support for Calxeda Highbank processors from Mark Langsdorf
and Rob Herring.
- cpufreq driver for the Freescale i.MX6Q SoC and cpufreq-cpu0 update
from Shawn Guo.
- cpufreq Exynos fixes and cleanups from Jonghwan Choi, Sachin Kamat,
and Inderpal Singh.
- Support for "lightweight suspend" from Zhang Rui.
- Removal of the deprecated power trace API from Paul Gortmaker.
- Assorted updates from Andreas Fleig, Colin Ian King,
Davidlohr Bueso, Joseph Salisbury, Kees Cook, Li Fei,
Nishanth Menon, ShuoX Liu, Srinivas Pandruvada, Tejun Heo,
Thomas Renninger, and Yasuaki Ishimatsu.
/
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Merge tag 'pm+acpi-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki:
- Rework of the ACPI namespace scanning code from Rafael J. Wysocki
with contributions from Bjorn Helgaas, Jiang Liu, Mika Westerberg,
Toshi Kani, and Yinghai Lu.
- ACPI power resources handling and ACPI device PM update from Rafael
J Wysocki.
- ACPICA update to version 20130117 from Bob Moore and Lv Zheng with
contributions from Aaron Lu, Chao Guan, Jesper Juhl, and Tim Gardner.
- Support for Intel Lynxpoint LPSS from Mika Westerberg.
- cpuidle update from Len Brown including Intel Haswell support, C1
state for intel_idle, removal of global pm_idle.
- cpuidle fixes and cleanups from Daniel Lezcano.
- cpufreq fixes and cleanups from Viresh Kumar and Fabio Baltieri with
contributions from Stratos Karafotis and Rickard Andersson.
- Intel P-states driver for Sandy Bridge processors from Dirk
Brandewie.
- cpufreq driver for Marvell Kirkwood SoCs from Andrew Lunn.
- cpufreq fixes related to ordering issues between acpi-cpufreq and
powernow-k8 from Borislav Petkov and Matthew Garrett.
- cpufreq support for Calxeda Highbank processors from Mark Langsdorf
and Rob Herring.
- cpufreq driver for the Freescale i.MX6Q SoC and cpufreq-cpu0 update
from Shawn Guo.
- cpufreq Exynos fixes and cleanups from Jonghwan Choi, Sachin Kamat,
and Inderpal Singh.
- Support for "lightweight suspend" from Zhang Rui.
- Removal of the deprecated power trace API from Paul Gortmaker.
- Assorted updates from Andreas Fleig, Colin Ian King, Davidlohr Bueso,
Joseph Salisbury, Kees Cook, Li Fei, Nishanth Menon, ShuoX Liu,
Srinivas Pandruvada, Tejun Heo, Thomas Renninger, and Yasuaki
Ishimatsu.
* tag 'pm+acpi-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (267 commits)
PM idle: remove global declaration of pm_idle
unicore32 idle: delete stray pm_idle comment
openrisc idle: delete pm_idle
mn10300 idle: delete pm_idle
microblaze idle: delete pm_idle
m32r idle: delete pm_idle, and other dead idle code
ia64 idle: delete pm_idle
cris idle: delete idle and pm_idle
ARM64 idle: delete pm_idle
ARM idle: delete pm_idle
blackfin idle: delete pm_idle
sparc idle: rename pm_idle to sparc_idle
sh idle: rename global pm_idle to static sh_idle
x86 idle: rename global pm_idle to static x86_idle
APM idle: register apm_cpu_idle via cpuidle
cpufreq / intel_pstate: Add kernel command line option disable intel_pstate.
cpufreq / intel_pstate: Change to disallow module build
tools/power turbostat: display SMI count by default
intel_idle: export both C1 and C1E
ACPI / hotplug: Fix concurrency issues and memory leaks
...
None are dire enough to be Cc'd to stable which may be interpreted to
mean that users of the framework are reaching stability. Lots of new
adoption of this framework is via DeviceTree data and that comes through
the respective architecture and platform trees instead of through the
clk framework tree. Two new features are improved debugfs output and an
improvement to how DT clocks are initialized by reusing a common method.
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Merge tag 'clk-for-linus' of git://git.linaro.org/people/mturquette/linux
Pull clock framework update from Michael Turquette:
"The common clock framework changes for 3.9 are almost entirely fixes.
None are dire enough to be Cc'd to stable which may be interpreted to
mean that users of the framework are reaching stability. Lots of new
adoption of this framework is via DeviceTree data and that comes
through the respective architecture and platform trees instead of
through the clk framework tree.
Two new features are improved debugfs output and an improvement to how
DT clocks are initialized by reusing a common method."
* tag 'clk-for-linus' of git://git.linaro.org/people/mturquette/linux: (25 commits)
clk: sunxi: remove stale Makefile entry
clk: vexpress: Use common of_clk_init() function
clk: zynq: Use common of_clk_init() function
clk: vt8500: Use common of_clk_init() function
clk: highbank: Use common of_clk_init() function
clk: sunxi: Use common of_clk_init() function
clk: add common of_clk_init() function
clk: Deduplicate exit code in clk_set_rate
clk: beautify Makefile
clk-divider: fix macros
clk: prima2: enable dt-binding clkdev mapping
clk: mxs: Index is always positive
clk: max77686: Avoid double free at remove time
clk: remove exported function from __init section
clk: vt8500: Add support for WM8750/WM8850 PLL clocks
clk: vt8500: Fix division-by-0 when requested rate=0
clk: vt8500: Fix device clock divisor calculations
clk: vt8500: Fix error in PLL calculations on non-exact match.
clk: max77686: Remove unnecessary NULL checking for container_of()
clk: JSON debugfs clock tree summary
...
- Grabbing of default pinctrl handles from the device core.
These are the hunks hitting drivers/base. All is ACKed by
Greg, after a long discussion about different alternatives.
- Some stuff also touches the MFD and ARM SoC trees, this has
been coordinated and ACKed.
- New drivers for:
- The Tegra 114 sub-SoC
- Allwinner sunxi
- New ABx500 driver and sub-SoC drivers for AB8500,
AB8505, AB9540 and AB8540.
- Make it possible for hogged pins to enter a sleep mode,
and make it possible for drivers to control that mode.
- Various clean-up, extensions and device tree support to
various pin controllers.
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Merge tag 'pinctrl-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pinctrl changes from Linus Walleij:
"These are the main pinctrl changes for the v3.9 merge window. The
most interesting change by far is how the device core grabs pinctrl
default handles avoiding the need to stick boilerplate into driver
consumers.
- Grabbing of default pinctrl handles from the device core. These
are the hunks hitting drivers/base. All is ACKed by Greg, after a
long discussion about different alternatives.
- Some stuff also touches the MFD and ARM SoC trees, this has been
coordinated and ACKed.
- New drivers for:
- The Tegra 114 sub-SoC
- Allwinner sunxi
- New ABx500 driver and sub-SoC drivers for AB8500, AB8505, AB9540
and AB8540.
- Make it possible for hogged pins to enter a sleep mode, and make it
possible for drivers to control that mode.
- Various clean-up, extensions and device tree support to various pin
controllers."
* tag 'pinctrl-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (68 commits)
pinctrl: tegra: add clfvs function to Tegra114 support
pinctrl: generic: rename input schmitt disable
pinctrl/pinconfig: add debug interface
pinctrl: samsung: remove duplicated line
ARM: ux500: use real AB8500 IRQ numbers instead of virtual ones
ARM: ux500: remove irq_base property from platform_data
pinctrl/abx500: use direct IRQ defines
pinctrl/abx500: replace IRQ offsets with table read-in values
pinctrl/abx500: move IRQ handling to ab8500-core
pinctrl: exynos5440: remove erroneous __init
pinctrl/abx500: adjust offset for get_mode()
pinctrl/abx500: add Device Tree support
pinctrl/abx500: align GPIO cluster boundaries
pinctrl/abx500: prevent error path from corrupting returning error
pinctrl: sunxi: add of_xlate function
pinctrl/lantiq: fix pin number in ltq_pmx_gpio_request_enable
pinctrl/lantiq: add functionality to falcon_pinconf_dbg_show
pinctrl/lantiq: fix pinconfig parameters
pinctrl/lantiq: one of the boot leds was defined incorrectly
pinctrl/lantiq: only probe available pad controllers
...
Patch c08e20d "arm: Add v7_invalidate_l1 to cache-v7.S" added
a generic version of this function and removed all platform
specific versions, while 4898de3 "ARM: PRIMA2: add new SiRFmarco
SMP SoC infrastructures" added another one, leading to a link
error. I verified that the two are identical, so we can
just remove the one in mach-prima2.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
On ARM we want these to be the same size on 32- and 64-bit.
This is an ABI change on ARM. X86 does not change.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Jan Beulich <JBeulich@suse.com>
Cc: Keir (Xen.org) <keir@xen.org>
Cc: Tim Deegan <tim@xen.org>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: xen-devel@lists.xen.org
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
ioremap can't be used to map ring pages on ARM because it uses device
memory caching attributes (MT_DEVICE*).
Introduce a Xen specific abstraction to map ring pages, called
xen_remap, that is defined as ioremap on x86 (no behavioral changes).
On ARM it explicitly calls __arm_ioremap with the right caching
attributes: MT_MEMORY.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Allows for more fine grained error reporting. Only used by PVH and
ARM both of which are marked EXPERIMENTAL precisely because the ABI
is not yet stable
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
[v1: Rebased without PVH patches]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Pull irq core changes from Ingo Molnar:
"The biggest changes are the IRQ-work and printk changes from Frederic
Weisbecker, which prepare the code for 'full dynticks' (the ability to
stop or slow down the periodic tick arbitrarily, not just in idle time
as today):
- Don't stop tick with irq works pending. This fix is generally
useful and concerns archs that can't raise self IPIs.
- Flush irq works before CPU offlining.
- Introduce "lazy" irq works that can wait for the next tick to be
executed, unless it's stopped.
- Implement klogd wake up using irq work. This removes the ad-hoc
printk_tick()/printk_needs_cpu() hooks and make it working even in
dynticks mode.
- Cleanups and fixes."
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Export enable/disable_percpu_irq()
arch Kconfig: Remove references to IRQ_PER_CPU
irq_work: Remove return value from the irq_work_queue() function
genirq: Avoid deadlock in spurious handling
printk: Wake up klogd using irq_work
irq_work: Make self-IPIs optable
irq_work: Warn if there's still work on cpu_down
irq_work: Flush work on CPU_DYING
irq_work: Don't stop the tick with pending works
nohz: Add API to check tick state
irq_work: Remove CONFIG_HAVE_IRQ_WORK
irq_work: Fix racy check on work pending flag
irq_work: Fix racy IRQ_WORK_BUSY flag setting
A number of small fixes are included to the new Tegra common clock
driver. These are: Missing locking, definition of device tree clock IDs
not matching the binding, a static cleanup, missing initialization of
some UART clocks.
This branch is based on Tegra's previous pull request tegra-for-3.9-dt.
This dependency is caused by the one patch that edits the device tree.
If this causes a problem, I can drop the final two patches in this pull
request for now, and rebase it onto previous tegra-for-3.9-soc-ccf
instead.
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Merge tag 'tegra-for-3.9-soc-ccf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/dt
ARM: tegra: common clock framework fixes
A number of small fixes are included to the new Tegra common clock
driver. These are: Missing locking, definition of device tree clock IDs
not matching the binding, a static cleanup, missing initialization of
some UART clocks.
This branch is based on Tegra's previous pull request tegra-for-3.9-dt.
This dependency is caused by the one patch that edits the device tree.
If this causes a problem, I can drop the final two patches in this pull
request for now, and rebase it onto previous tegra-for-3.9-soc-ccf
instead.
* tag 'tegra-for-3.9-soc-ccf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
clk: tegra: initialise parent of uart clocks
ARM: tegra: remove clock-frequency properties from serial nodes
clk: tegra: fix driver to match DT binding
clk: tegra: local arrays should be static
clk: tegra: Add missing spinlock for hclk and pclk
clk: tegra: Implement locking for super clock
clk: tegra: fix wrong clock index between se to sata_cold
(applied to next/dt branch rather than next/soc because of the
dependency)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This reverts commit 0749a4424b.
The patch caused a build problem in allyesconfig by referencing an
undefined device tree label 'pio'.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This reverts commit 867dc8beba.
The patch caused a build problem in allyesconfig by referencing an
undefined device tree label 'pio'.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
that were dropped from linux next because of the merge conflicts
as requested by me and Olof. The reason was that at this point
we really should be able to do the arch/arm related changes
separately from driver changes to avoid dependencies between
branches.
These patches were initially part of the USB related MFD patches.
Based on our comments, Roger Quadros quickly reworked these
patches into a shared branch between ARM SoC tree and the MFD
tree, then separate patches for the OMAP platform data and
MFD driver.
Note that this branch will conflict with c1d1cd597f
("ARM: OMAP2+: omap_device: remove obsolete pm_lats and
early_device code"). Please see http://lkml.org/lkml/2013/2/11/16
for the merge resolution.
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Merge tag 'omap-for-v3.9/usb-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
These changes contain the OMAP USB related platform data changes
that were dropped from linux next because of the merge conflicts
as requested by me and Olof. The reason was that at this point
we really should be able to do the arch/arm related changes
separately from driver changes to avoid dependencies between
branches.
These patches were initially part of the USB related MFD patches.
Based on our comments, Roger Quadros quickly reworked these
patches into a shared branch between ARM SoC tree and the MFD
tree, then separate patches for the OMAP platform data and
MFD driver.
Note that this branch will conflict with c1d1cd597f
("ARM: OMAP2+: omap_device: remove obsolete pm_lats and
early_device code"). Please see http://lkml.org/lkml/2013/2/11/16
for the merge resolution.
[arnd - resolved the merge conflict]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This resolves one non-obvious merge conflict between the imx cpuidle
patches and the imx DT changes for 3.9.
Conflicts:
arch/arm/mach-imx/mach-imx6q.c
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
SPEAr13xx supports cpufreq and has an upstreamed driver for it. This patch
enables cpufreq configs for SPEAr13xx.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Pull in 'net' to take in the bug fixes that didn't make it into
3.8-final.
Also, deal with the semantic conflict of the change made to
net/ipv6/xfrm6_policy.c A missing rt6->n neighbour release
was added to 'net', but in 'net-next' we no longer cache the
neighbour entries in the ipv6 routes so that change is not
appropriate there.
Signed-off-by: David S. Miller <davem@davemloft.net>
After discussion on the linux-sh mailing list and reference to the
hardware documentation it appears that 'TMU00', 'TMU01' and 'TMU02'
use a common clock.
The sh_tmu.1 portion of this change resolves a regression introduced in
58079fa7d5 (ARM: shmobile: r8a7779: Correct
TMU clock support) and fixes a regression introduced by that patch. That
patch is queued up for v3.9.
...
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 2 ports detected
INFO: rcu_sched self-detected stall on CPUINFO: rcu_sched detected stalls on
+CPUs/tasks: { 1} (detected by 2, t=279640 jiffies, g=4294967052, c=4294967051,
+q=38)
Task dump for CPU 1:
swapper/0 R running 0 1 0 0x00000002
[<c02b8f5c>] (__schedule+0x1b0/0x4c0) from [<c013c590>] (__loop_delay+0x4/0xc)
{ 1} (t=279640 jiffies g=4294967052 c=4294967052 q=37)
[<c000ef9c>] (unwind_backtrace+0x0/0xf8) from [<c0068488>]
+(rcu_check_callbacks+0x218/0x6b8)
[<c0068488>] (rcu_check_callbacks+0x218/0x6b8) from [<c0026774>]
+(update_process_times+0x38/0x4c)
[<c0026774>] (update_process_times+0x38/0x4c) from [<c00569e0>]
+(tick_nohz_handler+0xb4/0x11c)
[<c00569e0>] (tick_nohz_handler+0xb4/0x11c) from [<c000e518>]
+(twd_handler+0x34/0x44)
[<c000e518>] (twd_handler+0x34/0x44) from [<c0063484>]
+(handle_percpu_devid_irq+0x68/0x80)
[<c0063484>] (handle_percpu_devid_irq+0x68/0x80) from [<c005febc>]
+(generic_handle_irq+0x20/0x30)
[<c005febc>] (generic_handle_irq+0x20/0x30) from [<c000a5ec>]
+(handle_IRQ+0x40/0x90)
[<c000a5ec>] (handle_IRQ+0x40/0x90) from [<c000934c>] (gic_handle_irq+0x2c/0x5c)
[<c000934c>] (gic_handle_irq+0x2c/0x5c) from [<c0009a40>] (__irq_svc+0x40/0x50)
Exception stack(0xef03ddf8 to 0xef03de40)
dde0: 000001c1 ffffffff
de00: 000001d8 01bf01bf ef35ec40 ef35e800 ef35ec6c 0000002b ef35ec68 c013c560
de20: c0392994 60000113 00000000 ef03de40 c01a5d40 c013c590 20000113 ffffffff
[<c0009a40>] (__irq_svc+0x40/0x50) from [<c013c590>] (__loop_delay+0x4/0xc)
Cc: Denis Oliver Kropp <dok@directfb.org>
Cc: Magnus Damm <damm@opensource.se>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
pm_idle() on ARM was a synonym for default_idle(),
so simply invoke default_idle() directly.
Signed-off-by: Len Brown <len.brown@intel.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
the drivers modification are picked-up by MTD.
Changes the use ECC to hardware ECC (named PMECC) for
SoCs that are using it and their associated Evaluation Kits:
- at91sam9x5-ek
- at91sam9n12-ek
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Merge tag 'at91-dt-late' of git://github.com/at91linux/linux-at91 into next/dt
From Nicolas Ferre:
More DT modifications for AT91. Now that I am sure that
the drivers modification are picked-up by MTD.
Changes the use ECC to hardware ECC (named PMECC) for
SoCs that are using it and their associated Evaluation Kits:
- at91sam9x5-ek
- at91sam9n12-ek
* tag 'at91-dt-late' of git://github.com/at91linux/linux-at91:
ARM: at91: at91sam9n12: add DT parameters to enable PMECC
ARM: at91: at91sam9x5: add DT parameters to enable PMECC
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Merge tag 'sunxi-dt-for-3.9' of https://github.com/mripard/linux into next/dt
From Maxime Ripard:
Allwinner sunXi DT additions for 3.9
* tag 'sunxi-dt-for-3.9' of https://github.com/mripard/linux:
sunxi: a13-olinuxino: Add user LED to the device tree
sunxi: a10-cubieboard: Add user LEDs to the device tree
ARM: sunxi: Add device tree for Miniand Hackberry
From Kukjin Kim:
Here is Samsung fixes for v3.9 and it is not a critical fixes.
* 'next/fixes-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: dts: Correct pin configuration of SD 4 for exynos4x12-pinctrl
ARM: SAMSUNG: Silence empty switch warning in fimc-core.h
ARM: SAMSUNG: Silence empty switch warning in sdhci.h
ARM: S5PV210: Fix early uart output in fifo mode
ARM: S3C24XX: Fix compile breakage for SMDK2410
ARM: S3C24XX: add missing platform_device.h include for osiris
ARM: S3C24XX: let S3C2412_PM select S3C2412_PM_SLEEP
ARM: SAMSUNG: Gracefully exit on suspend failure
ARM: SAMSUNG: using vsnprintf instead of vsprintf for the limit buffer length 256
ARM: S3C24XX: Make 'clk_msysclk' static
As we don't include kernel/Kconfig.hz as this defines HZ values
unsuitable for ARM platforms, add the SCHED_HRTICK to properly configure
the scheduler for hrtimer operation.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The mmid macro is meant to be used to get the mm->context.id data
from the mm structure, but it seems to have been missed in a cuple
of files.
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Since the new ASID code in b5466f8728
("ARM: mm: remove IPI broadcasting on ASID rollover") was changed to
use 64bit operations it has broken the BE operation due to an issue
with the MM code accessing sub-fields of mm->context.id.
When running in BE mode we see the values in mm->context.id are stored
with the highest value first, so the LDR in the arch/arm/mm/proc-macros.S
reads the wrong part of this field. To resolve this, change the LDR in
the mmid macro to load from +4.
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
In order to allow drivers to specify private data for each controller,
this commit adds a private_data field to the struct hw_pci. This field
is an array of nr_controllers pointers that will be used to initialize
the private_data field of the corresponding controller's pci_sys_data
structure.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
When using deferred driver probing, PCI host controller drivers may
actually require this function after the init stage.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
869486d5f51 (ARM: 7646/1: mm: use static_vm for managing static mapped
areas) introduced new warnings:
arch/arm/mm/mmu.c: In function 'pci_reserve_io':
arch/arm/mm/mmu.c:888:16: warning: unused variable 'addr'
arch/arm/mm/mmu.c:887:20: warning: unused variable 'vm'
because it failed to delete the two local variables it no longer used.
Fix this.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
A static mapped area is ARM-specific, so it is better not to use
generic vmalloc data structure, that is, vmlist and vmlist_lock
for managing static mapped area. And it causes some needless overhead and
reducing this overhead is better idea.
Now, we have newly introduced static_vm infrastructure.
With it, we don't need to iterate all mapped areas. Instead, we just
iterate static mapped areas. It helps to reduce an overhead of finding
matched area. And architecture dependency on vmalloc layer is removed,
so it will help to maintainability for vmalloc layer.
Reviewed-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
In current implementation, we used ARM-specific flag, that is,
VM_ARM_STATIC_MAPPING, for distinguishing ARM specific static mapped area.
The purpose of static mapped area is to re-use static mapped area when
entire physical address range of the ioremap request can be covered
by this area.
This implementation causes needless overhead for some cases.
For example, assume that there is only one static mapped area and
vmlist has 300 areas. Every time we call ioremap, we check 300 areas for
deciding whether it is matched or not. Moreover, even if there is
no static mapped area and vmlist has 300 areas, every time we call
ioremap, we check 300 areas in now.
If we construct a extra list for static mapped area, we can eliminate
above mentioned overhead.
With a extra list, if there is one static mapped area,
we just check only one area and proceed next operation quickly.
In fact, it is not a critical problem, because ioremap is not frequently
used. But reducing overhead is better idea.
Another reason for doing this work is for removing architecture dependency
on vmalloc layer. I think that vmlist and vmlist_lock is internal data
structure for vmalloc layer. Some codes for debugging and stat inevitably
use vmlist and vmlist_lock. But it is preferable that they are used
as least as possible in outside of vmalloc.c
Now, I introduce an ARM-specific infrastructure for static mapped area. In
the following patch, we will use this and resolve above mentioned problem.
Reviewed-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Now, there is no user for vmregion.
So remove it.
Acked-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Parts of the virtual memory layout (mainly the modules area) are
described using open-coded immediate values.
Use the SZ_ definitions from linux/sizes.h instead to make the code
clearer.
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
MACH_MX31ADS_WM1133_EV1 already depends on REGULATOR_WM8350,
but that still allows REGULATOR_WM8350 to be a loadable
module. Depending on REGULATOR_WM8350 to be built-in
ensures we cannot create a broken configuration.
Without this patch, building allmodconfig results in:
arch/arm/mach-imx/built-in.o: In function `mx31_wm8350_init':
arch/arm/mach-imx/mach-mx31ads.c:461: undefined reference to `wm8350_register_regulator'
arch/arm/mach-imx/mach-mx31ads.c:471: undefined reference to `wm8350_dcdc_set_slot'
arch/arm/mach-imx/mach-mx31ads.c:473: undefined reference to `wm8350_isink_set_flash'
arch/arm/mach-imx/mach-mx31ads.c:480: undefined reference to `wm8350_dcdc25_set_mode'
arch/arm/mach-imx/mach-mx31ads.c:485: undefined reference to `wm8350_register_led'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Axel Lin <axel.lin@gmail.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Patch 8a4da6e "arm: arch_timer: move core to drivers/clocksource"
moved a lot of code out of arch_timer.c, but ended up deleting
too much, which broke some configurations.
Obviously, include linux/errno.h is required to return error
values.
Without this patch, building allmodconfig results in:
arch/arm/kernel/arch_timer.c: In function 'arch_timer_sched_clock_init':
arch/arm/kernel/arch_timer.c:55:11: error: 'ENXIO' undeclared (first use in this function)
arch/arm/kernel/arch_timer.c:55:11: note: each undeclared identifier is reported only once for each function it appears in
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
* 'next/cpufreq-exynos' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
cpufreq: exynos: Fix hang in pm handler due to frequency mismatch
cpufreq: exynos: Initialize return variable
cpufreq: exynos: Fix unsigned variable being checked for negative value
cpufreq: exynos: Get booting freq value in exynos_cpufreq_init
cpufreq: exynos: Show list of available frequencies
cpufreq: exynos: Add missing static
cpufreq: exynos: Split exynos_target function into two functions
cpufreq: exynos: Use APLL_FREQ macro for cpu divider value
cpufreq: exynos: Check old & new frequency early
cpufreq: exynos: Remove unused variable & IS_ERR
* pm-cpufreq: (55 commits)
cpufreq / intel_pstate: Fix 32 bit build
cpufreq: conservative: Fix typos in comments
cpufreq: ondemand: Fix typos in comments
cpufreq: exynos: simplify .init() for setting policy->cpus
cpufreq: kirkwood: Add a cpufreq driver for Marvell Kirkwood SoCs
cpufreq/x86: Add P-state driver for sandy bridge.
cpufreq_stats: do not remove sysfs files if frequency table is not present
cpufreq: Do not track governor name for scaling drivers with internal governors.
cpufreq: Only call cpufreq_out_of_sync() for driver that implement cpufreq_driver.target()
cpufreq: Retrieve current frequency from scaling drivers with internal governors
cpufreq: Fix locking issues
cpufreq: Create a macro for unlock_policy_rwsem{read,write}
cpufreq: Remove unused HOTPLUG_CPU code
cpufreq: governors: Fix WARN_ON() for multi-policy platforms
cpufreq: ondemand: Replace down_differential tuner with adj_up_threshold
cpufreq / stats: Get rid of CPUFREQ_STATDEVICE_ATTR
cpufreq: Don't check cpu_online(policy->cpu)
cpufreq: add imx6q-cpufreq driver
cpufreq: Don't remove sysfs link for policy->cpu
cpufreq: Remove unnecessary use of policy->shared_type
...
The newly created omap_hwmod_reset.c is missing an
include of linux/errno.h in commit c02060d8 "ARM:
OMAP4+: AESS: enable internal auto-gating during
initial setup". It still works in omap2_defconfig,
but not in all other combinations.
Without this patch, building allmodconfig results in:
arch/arm/mach-omap2/omap_hwmod_reset.c: In function 'omap_hwmod_aess_preprogram':
arch/arm/mach-omap2/omap_hwmod_reset.c:47:11: error: 'EINVAL' undeclared (first use in this function)
arch/arm/mach-omap2/omap_hwmod_reset.c:47:11: note: each undeclared identifier is reported only once for each function it appears in
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Sebastien Guiriec <s-guiriec@ti.com>
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Merge branch 'omap/multiplatform-fixes', tag 'v3.8-rc5' into next/multiplatform
The omap multiplatform support uncovered a bug in the cwdavinci_cpdma
code and was missing two drivers that are enabled now but are not
quite ready for multiplatform, as found by allyesconfig builds.
There is also a conflict generated by automated merge in
arch/arm/mach-omap2/drm.c between a bug fix that went into v3.8-rc5
and a different version of the same fix that went into the
omap/multiplatform branch. This merge removes the extraneous
#include that was causing build errors.
* omap/multiplatform-fixes:
net: cwdavinci_cpdma: export symbols for cpsw
remoteproc: omap: depend on OMAP_MBOX_FWK
[media] davinci: do not include mach/hardware.h
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Patch 16559ae "kgdb: remove #include <linux/serial_8250.h> from kgdb.h"
removed an implicit inclusion of linux/platform_device.h
In a number of places. This adds back explicit inclusions in a few
more places I found.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Patch "16559ae kgdb: remove #include <linux/serial_8250.h> from kgdb.h
caused assabet_defconfig to fail, since assabet.c did not
itself include linux/platform_device.h, although it needs it:
In file included from include/linux/mfd/ucb1x00.h:13:0,
from arch/arm/mach-sa1100/assabet.c:19:
include/linux/mfd/mcp.h:22:16: error: field 'attached_device' has incomplete type
include/linux/mfd/mcp.h:48:23: error: field 'drv' has incomplete type
In file included from arch/arm/mach-sa1100/assabet.c:19:0:
include/linux/mfd/ucb1x00.h:137:16: error: field 'dev' has incomplete type
arch/arm/mach-sa1100/assabet.c: In function 'assabet_init':
arch/arm/mach-sa1100/assabet.c:343:3: error: implicit declaration of function 'platform_device_register_simple' [-Wimplicit-function-declaration]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The original code was generating an lsl instructions using the value
of ARM_R8 (skb_headlen, possibly uninitialized if no skb_headlen
access was required) as a shift amount.
Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
Acked-by: Mircea Gherzan <mgherzan@gmail.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
__ARCH_WANT_SYS_RT_SIGACTION,
__ARCH_WANT_SYS_RT_SIGSUSPEND,
__ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND,
__ARCH_WANT_COMPAT_SYS_SCHED_RR_GET_INTERVAL - not used anymore
CONFIG_GENERIC_{SIGALTSTACK,COMPAT_RT_SIG{ACTION,QUEUEINFO,PENDING,PROCMASK}} -
can be assumed always set.
These are fixes for compiler warnings that for the most
part were introduced during the 3.8 cycle but are otherwise
harmless.
* warning-fixes:
scripts/sortextable: silence script output
ARM: s3c: i2c: add platform_device forward declaration
ARM: mvebu: allow selecting mvebu without Armada XP
ARM: pick Versatile by default for !MMU
ARM: integrator: fix build with INTEGRATOR_AP off
ARM: integrator/versatile: fix NOMMU warnings
ARM: sa1100: don't warn about mach/ide.h
ARM: shmobile: fix defconfig warning on CONFIG_USB
ARM: w90x900: fix legacy assembly syntax
ARM: samsung: fix assembly syntax for new gas
ARM: disable virt_to_bus/virt_to_bus almost everywhere
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Selecting only CONFIG_ARCH_MVEBU but not the respective
options for Armada 370 or Armada XP results in these
link errors:
arch/arm/mach-mvebu/built-in.o: In function `armada_xp_smp_init_cpus':
arch/arm/mach-mvebu/platsmp.c:91: undefined reference to `coherency_get_cpu_count'
arch/arm/mach-mvebu/platsmp.c:104: undefined reference to `armada_mpic_send_doorbell'
arch/arm/mach-mvebu/built-in.o: In function `armada_xp_smp_prepare_cpus':
arch/arm/mach-mvebu/platsmp.c:111: undefined reference to `set_cpu_coherent'
arch/arm/mach-mvebu/built-in.o: In function `armada_xp_boot_secondary':
arch/arm/mach-mvebu/platsmp.c:83: undefined reference to `armada_xp_boot_cpu'
arch/arm/mach-mvebu/built-in.o: In function `armada_xp_secondary_init':
arch/arm/mach-mvebu/platsmp.c:75: undefined reference to `armada_xp_mpic_smp_cpu_init'
arch/arm/mach-mvebu/built-in.o: In function `armada_xp_secondary_startup':
arch/arm/mach-mvebu/headsmp.S:46: undefined reference to `ll_set_cpu_coherent'
We can solve this by enabling all common MVEBU files that are
referenced by the SMP files. This means we enable code that
is not going to be used without a machine descriptor referencing
it, but only if the kernel is configured specifically for this
case.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Cc: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
The introduction of ARCH_MULTIPLATFORM changed
the default for nommu kernels from Versatile to
Integrator, which is less common, and does not
currently build for allnoconfig because that does
not select any of the CPUs.
This also ensures that at least one of the three
board files in versatile are enabled, which lets
us successfully build an allnoconfig kernel.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <linux@arm.linux.org.uk>
The conditional declaration of ap_uart_data is broken
and causes this build error:
In file included from arch/arm/mach-integrator/core.c:35:0:
arch/arm/mach-integrator/common.h:6:37: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
Turning the check into an constant-expression if(IS_ENABLED()) statement
creates more readable code and solves this problem as well.
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Russell King <linux@arm.linux.org.uk>
On NOMMU kernels, the io_desc variables are unused
because we don't use the MMU to remap the MMIO
areas.
Marking these variables as __maybe_unused easily
avoids the otherwise harmless warnings like
warning: 'versatile_io_desc' defined but not used
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Russell King <linux@arm.linux.org.uk>
This warning has existed since before the start of (git) history.
Apparently nobody has bothered to fix it in a long time, and
this is unlikely to change. Note that the file that the warning
refers to has moved to a different location and was subsequently
deleted in 2008.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <linux@arm.linux.org.uk>
A recent update to the marzen_defconfig introduced a
duplicate CONFIG_USB=y line. This removes one of the
two.
arch/arm/configs/marzen_defconfig:86:warning: override: reassigning to symbol USB
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Cc: linux-sh@vger.kernel.org
New ARM binutils don't allow extraneous whitespace inside
of brackets, which causes this error on all mach-w90x900
defconfigs:
arch/arm/kernel/entry-armv.S: Assembler messages:
arch/arm/kernel/entry-armv.S:214: Error: ARM register expected -- `ldr r0,[ r6,#(0x10C)]'
arch/arm/kernel/entry-armv.S:214: Error: ARM register expected -- `ldr r0,[ r6,#(0x110)]'
arch/arm/kernel/entry-armv.S:430: Error: ARM register expected -- `ldr r0,[ r6,#(0x10C)]'
arch/arm/kernel/entry-armv.S:430: Error: ARM register expected -- `ldr r0,[ r6,#(0x110)]'
This removes the whitespace in order to build the kernel
again.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Wan ZongShun <mcuos.com@gmail.com>
We are getting a number of warnings about the use of the deprecated
bus_to_virt function in drivers using the ARM ISA DMA API:
drivers/parport/parport_pc.c: In function 'parport_pc_fifo_write_block_dma':
drivers/parport/parport_pc.c:622:3: warning: 'bus_to_virt' is deprecated
(declared at arch/arm/include/asm/memory.h:253) [-Wdeprecated-declarations]
This is only because that function gets used by the inline
set_dma_addr() helper. We know that any driver for the ISA DMA API
is correctly using the DMA addresses, so we can change this
to use the __bus_to_virt() function instead, which does not warn.
After this, there are no remaining drivers that are used on
any defconfigs on ARM using virt_to_bus or bus_to_virt, with
the exception of the OSS sound driver. That driver is only used
on RiscPC, NetWinder and Shark, so we can set ARCH_NO_VIRT_TO_BUS
on all other platforms and hide the deprecated functions, which
is far more effective than marking them as deprecated, in order
to avoid any new users of that code.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <linux@arm.linux.org.uk>
Patch 92cb7625 "ARM: kirkwood: nsa310: cleanup includes and
unneeded code" was a little too quick, since there is still
an I2C_BOARD_INFO left in this file at the moment. Once
that is gone and replaced by a DT description of the devices,
the inclusion can be removed again
Without this patch, building kirkwood_defconfig results in:
arch/arm/mach-kirkwood/board-nsa310.c:42:74: error: array type has incomplete element type
arch/arm/mach-kirkwood/board-nsa310.c:43:2: error: implicit declaration of function 'I2C_BOARD_INFO' [-Werror=implicit-function-declaration]
arch/arm/mach-kirkwood/board-nsa310.c: In function 'nsa310_gpio_init':
arch/arm/mach-kirkwood/board-nsa310.c:71:3: error: 'pm_power_off' undeclared (first use in this function)
arch/arm/mach-kirkwood/board-nsa310.c:71:3: note: each undeclared identifier is reported only once for each function it appears in
arch/arm/mach-kirkwood/board-nsa310.c: In function 'nsa310_init':
arch/arm/mach-kirkwood/board-nsa310.c:83:2: error: implicit declaration of function 'i2c_register_board_info' [-Werror=implicit-function-declaration]
arch/arm/mach-kirkwood/board-nsa310.c:83:121: error: negative width in bit-field '<anonymous>'
arch/arm/mach-kirkwood/board-nsa310.c: At top level:
arch/arm/mach-kirkwood/board-nsa310.c:42:74: warning: 'nsa310_i2c_info' defined but not used [-Wunused-variable]
cc1: some warnings being treated as errors
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Jason Cooper <jason@lakedaemon.net>
The code in arch/arm/mach-prima2/headsmp.S is used for
both boot time initialization and for cpu hotplug,
so it must not be discarded after the initial boot
is complete. This replaces the __INIT annotation
with __CPUINIT, and marks the sirfsoc_cpu_die as
__ref to annotate that it correctly uses the sections.
Without this patch, building prima2_defconfig results in:
WARNING: arch/arm/mach-prima2/built-in.o(.cpuinit.text+0x130): Section mismatch in reference from the function sirfsoc_boot_secondary() to the function .init.text:sirfsoc_secondary_startup()
The function __cpuinit sirfsoc_boot_secondary() references
a function __init sirfsoc_secondary_startup().
If sirfsoc_secondary_startup is only used by sirfsoc_boot_secondary then
annotate sirfsoc_secondary_startup with a matching annotation.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Barry Song <baohua.song@csr.com>
Let's have a single platform data structure for the OMAP's High-Speed
USB host subsystem instead of having 3 separate ones i.e. one for
board data, one for USB Host (UHH) module and one for USB-TLL module.
This makes the code much simpler and avoids creating multiple copies of
platform data.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
The assignment of clock_event_device::broadcast can be done by timer
core as of 12ad100046: "clockevents: Add generic timer broadcast
function", and the arm code moved over to this as of 3d06770eef: "arm:
Add generic timer broadcast support", but left a dangling #define when
!CONFIG_GENERIC_TIMER_BROADCAST.
This patch removes the now unused #define.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Use the future proof TWL_MODULE_PWM module id instead to aim the twl-core
cleanup planed for 3.9 kernel cycle.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Currently, the serial nodes define both a clock-frequency and a clocks
property. We should not provide both, since they might conflict.
In practice, this also causes problems since the of_serial driver uses
the clock-frequency property in preference to the clocks property, and
hence doesn't clk_prepare_enable() the clock, which may then leave it
with no known users, and hence the common clock framework will disable
it, thus breaking the port, which is usually the console.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Some OMAP4 power management fixes and audio device integration
patches. This pull request contains a fix for an issue discovered during
branch integration.
Basic test logs are available at:
http://www.pwsan.com/omap/testlogs/omap4_prcm_devel_a_3.9/20130210112717/
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Merge tag 'omap-for-v3.9/pm-omap4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into late/omap
From Tony Lindgren:
omap4 pm changes via Paul Walmsley <paul@pwsan.com>:
Some OMAP4 power management fixes and audio device integration
patches. This pull request contains a fix for an issue discovered during
branch integration.
Basic test logs are available at:
http://www.pwsan.com/omap/testlogs/omap4_prcm_devel_a_3.9/20130210112717/
* tag 'omap-for-v3.9/pm-omap4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP4: hwmod data: Enable AESS hwmod device
ARM: OMAP4: hwmod data: Update AESS data with memory bank area
ARM: OMAP4+: AESS: enable internal auto-gating during initial setup
ASoC: TI AESS: add autogating-enable function, callable from architecture code
ARM: OMAP2+: hwmod: add enable_preprogram hook
ARM: OMAP2+: PM: Fix the dt return condition in pm_late_init()
ARM: OMAP4: PM: Warn users about usage of older bootloaders
Some miscellaneous OMAP2+ clock fixes, mostly related to the recent
common clock framework conversion.
Basic test logs are available here:
http://www.pwsan.com/omap/testlogs/clock_devel_a_3.9/20130208120108/
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Merge tag 'omap-for-v3.9/clock-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into late/omap
From Tony Lindgren:
omap clock changes via Paul Walmsley <paul@pwsan.com>:
Some miscellaneous OMAP2+ clock fixes, mostly related to the recent
common clock framework conversion.
Basic test logs are available here:
http://www.pwsan.com/omap/testlogs/clock_devel_a_3.9/20130208120108/
* tag 'omap-for-v3.9/clock-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP4: clock data: Add missing clkdm association for dpll_usb
ARM: OMAP AM33XX: clock data: SET_RATE_PARENT in lcd path
ARM: OMAP2+: clock data: add DEFINE_STRUCT_CLK_FLAGS helper
ARM: OMAP2+: dpll: am335x - avoid freqsel
omap3isp: Set cam_mclk rate directly
ARM: OMAP3: clock: Back-propagate rate change from cam_mclk to dpll4_m5
On OMAP2+ devices, standardize and clean up WFI entry and WFI blocking.
Basic test logs are available here:
http://www.pwsan.com/omap/testlogs/wfi_devel_a_3.9/20130208085027/
Conflicts:
arch/arm/mach-omap2/pm24xx.c
Note that this is based on earlier omap-for-v3.9/pm-signed because
of a non-trivial merge conflict. This branch also contains a fix
for c1d1cd59 ("ARM: OMAP2+: omap_device: remove obsolete pm_lats
and early_device code").
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Merge tag 'omap-for-v3.9/pm-wfi-take2-signed-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into late/omap
From Tony Lindgren:
omap pm wfi changes via Paul Walmsley <paul@pwsan.com>:
On OMAP2+ devices, standardize and clean up WFI entry and WFI blocking.
Basic test logs are available here:
http://www.pwsan.com/omap/testlogs/wfi_devel_a_3.9/20130208085027/
Conflicts:
arch/arm/mach-omap2/pm24xx.c
Note that this is based on earlier omap-for-v3.9/pm-signed because
of a non-trivial merge conflict. This branch also contains a fix
for c1d1cd59 ("ARM: OMAP2+: omap_device: remove obsolete pm_lats
and early_device code").
* tag 'omap-for-v3.9/pm-wfi-take2-signed-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (25 commits)
ARM: OMAP2+: fix some omap_device_build() calls that aren't compiled by default
ARM: OMAP AM3517/05: hwmod data: block WFI when EMAC active
ARM: OMAP2420: hwmod data/PM: use hwmod to block WFI when I2C active
ARM: OMAP2+: hwmod: add support for blocking WFI when a device is active
ARM: OMAP2xxx: PM: enter WFI via inline asm if CORE stays active
ARM: OMAP2+: powerdomain: fix whitespace, improve flag comments
ARM: OMAP2+: clockdomain: convert existing atomic usecounts into spinlock-protected shorts/ints
ARM: OMAP2+: clockdomain: work on wkdep/sleepdep functions
ARM: OMAP2xxx: CM: remove autodep handling
ARM: OMAP2+: powerdomain/clockdomain: add a per-powerdomain spinlock
ARM: OMAP2+: PM/powerdomain: move omap_set_pwrdm_state() to powerdomain code
ARM: OMAP2: PM/powerdomain: drop unnecessary pwrdm_wait_transition()
ARM: OMAP2xxx: PM: clean up some crufty powerstate programming code
ARM: OMAP2+: clockdomain: add pwrdm_state_switch() call to clkdm_sleep()
ARM: OMAP2+: powerdomain: fix powerdomain trace integration
ARM: OMAP4: MPUSS PM: remove unnecessary shim functions for powerdomain control
ARM: OMAP3xxx: CPUIdle: optimize __omap3_enter_idle()
ARM: OMAP2420: hwmod data/PM: use hwmod to block WFI when I2C active
ARM: OMAP2+: hwmod: add support for blocking WFI when a device is active
ARM: OMAP3xxx: CPUIdle: simplify the PER next-state code
...
Fixes and IP block support for the TI AM33xx family of SoCs. These
are prerequisites for power management and some PWM driver changes.
Basic test logs are available from:
http://www.pwsan.com/omap/testlogs/am33xx_fixes_a_3.9/20130208084835/
although it must be noted that I am unable to test these patches on
AM33xx due to an unknown problem with v3.8-rc kernels:
http://www.mail-archive.com/linux-omap@vger.kernel.org/msg83525.html
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Merge tag 'omap-for-v3.9/am33xx-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into late/omap
From Tony Lindgren:
am33xx updates via Paul Walmsley <paul@pwsan.com>:
Fixes and IP block support for the TI AM33xx family of SoCs. These
are prerequisites for power management and some PWM driver changes.
Basic test logs are available from:
http://www.pwsan.com/omap/testlogs/am33xx_fixes_a_3.9/20130208084835/
although it must be noted that I am unable to test these patches on
AM33xx due to an unknown problem with v3.8-rc kernels:
http://www.mail-archive.com/linux-omap@vger.kernel.org/msg83525.html
* tag 'omap-for-v3.9/am33xx-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2: am33xx-hwmod: Fix "register offset NULL check" bug
ARM: OMAP2+: AM33xx: hwmod: add missing HWMOD_NO_IDLEST flags
ARM: OMAP: AM33xx hwmod: Add parent-child relationship for PWM subsystem
ARM: OMAP: AM33xx hwmod: Corrects PWM subsystem HWMOD entries
ARM: DTS: AM33XX: Add nodes for OCMC RAM and WKUP-M3
ARM: OMAP2+: AM33XX: Update the hardreset API
ARM: OMAP2+: AM33XX: hwmod: Update the WKUP-M3 hwmod with reset status bit
ARM: OMAP2+: AM33XX: hwmod: Fixup cpgmac0 hwmod entry
ARM: OMAP2+: AM33XX: hwmod: Update TPTC0 hwmod with the right flags
ARM: OMAP2+: AM33XX: hwmod: Register OCMC RAM hwmod
ARM: OMAP2+: AM33XX: CM/PRM: Use __ASSEMBLER__ macros in header files
ARM: OMAP2+: AM33XX: CM: Get rid of unnecessary header inclusions
Also get rid of OMAP_32K_TIMER_HZ as that no longer is needed.
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Merge tag 'omap-for-v3.9/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into late/omap
From Tony Lindgren:
am33xx specific updates for restart and revision detection.
Also get rid of OMAP_32K_TIMER_HZ as that no longer is needed.
* tag 'omap-for-v3.9/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2: AM33XX: id: Add support for AM335x PG2.0
ARM: OMAP2+: Get rid of custom OMAP_32K_TIMER_HZ
ARM: OMAP2+: AM33xx: Add SoC specific restart hook
- Some tweaking and updates on device tree sources
- Enable imx6q-cpufreq support for device tree boot
- IMX/MXC onewire driver device tree conversion. Onewire maintainer
Evgeniy Polyakov gives his ACK to bless it go via arm-soc tree.
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Merge tag 'imx-dt-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6 into late/dt
From Shawn Guo:
imx device tree changes for 3.9
- Some tweaking and updates on device tree sources
- Enable imx6q-cpufreq support for device tree boot
- IMX/MXC onewire driver device tree conversion. Onewire maintainer
Evgeniy Polyakov gives his ACK to bless it go via arm-soc tree.
* tag 'imx-dt-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6: (22 commits)
ARM: dts: add dtsi for imx6q and imx6dl
ARM: dts: rename imx6q.dtsi to imx6qdl.dtsi
ARM: dts: i.MX6: Add regulator delay support
ARM: dts: Add device tree entry for onewire master on i.MX53
ARM: i.MX53: Add clocks for i.mx53 onewire master.
W1: Add device tree support to MXC onewire master.
ARM: imx: enable imx6q-cpufreq support
ARM: dts: Add apf51 basic support
ARM i.MX6: change mxs usbphy clock usage
ARM: dts: imx6q: Remove silicon version from SDMA firmware
ARM i.MX53: dts: add oftree for MBa53 baseboard
ARM i.MX53: add dts for the TQ tqma53 module
ARM: dts: imx53: pinctrl update
ARM i.MX51 babbage: Add keypad support
ARM: dts: imx: Add imx51 KPP entry
ARM: dts: imx25-karo-tx25: Put status entry in the end
ARM: mx25pdk: Add device tree support
ARM: dts: imx: use nodes label in board dts
ARM: dts: add missing imx dtb targets
ARM: boot: dts: Add an entry for imx27-pdk.dtb
...
- enable VPU support in imx_v4_v5_defconfig to get compile coverage
- enable netfilter support
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Merge tag 'arm-imx-defconfig' of git://git.pengutronix.de/git/imx/linux-2.6 into next/boards
ARM i.MX defconfig updates for v3.9
- enable VPU support in imx_v4_v5_defconfig to get compile coverage
- enable netfilter support
* tag 'arm-imx-defconfig' of git://git.pengutronix.de/git/imx/linux-2.6:
ARM: imx_v4_v5_defconfig: Add VPU support
ARM: imx: configs: enable netfilter support
Signed-off-by: Olof Johansson <olof@lixom.net>
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Merge tag 'at91-fixes' of git://github.com/at91linux/linux-at91 into next/fixes-non-critical
From Nicolas Ferre:
Correction of 9x5 and 9n12 USART nodes
* tag 'at91-fixes' of git://github.com/at91linux/linux-at91:
ARM: at91/DT: remove atmel,use-dma-* from 9x5 and 9n12 USART nodes
This is a branch of fixes that originally were scheduled for 3.8 but
due to the request from Linus to hold back on all but the most critical
of fixes, we're re-queueing them for 3.9 here.
* fixes-for-3.9:
ARM: dts: imx6: fix fec ptp clock slow 10 time
ARM: highbank: mask cluster id from cpu_logical_map
ARM: scu: mask cluster id from cpu_logical_map
ARM: scu: add empty scu_enable for !CONFIG_SMP
ARM: at91/at91sam9x5.dtsi: fix usart3 TXD
ARM: at91: at91sam9x5: fix usart3 pinctrl name
ARM: EXYNOS: Fix crash on soft reset on EXYNOS5440
ARM: dts: fix tick and alarm irq numbers for exynos5440
ARM: dts: fix compatible value for exynos pinctrl
ARM: dts: Fix compatible value of pinctrl module on EXYNOS5440
ARM: S3C24XX: fix uninitialized variable warning
mfd/vexpress: vexpress_sysreg_setup must not be __init
ARM: ux500: Fix u9540 booting issues
arm: mvebu: i2c come back in defconfig
arm: plat-orion: fix printing of "MPP config unavailable on this hardware"
Dove: activate GPIO interrupts in DT
ARM: ux500: add spin_unlock(&master_lock).
ARM: ux500: Disable Power Supply and Battery Management by default
Signed-off-by: Olof Johansson <olof@lixom.net>
Exynos boot is broken with commit 0529e315 (ARM: use common irqchip_init
for GIC init). This commit split the irqchip initialization into 2 calls
to of_irq_init. This does not work because of_irq_init requires interrupt
parents to be in the match list.
Rather than reverting exynos changes, make it do the proper thing by using
IRQCHIP_DECLARE. This requires moving the combiner code to drivers/irqchip.
Reported-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-samsung-soc@vger.kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
This patch corrects the pin function value of sd4_bus8
from 3 to 4. This is verified on origen board for testing
eMMC on dw_mci controller.
Signed-off-by: Shirish S <s.shirish@samsung.com>
Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Add 'default' case to silence the below warning:
arch/arm/plat-samsung/include/plat/fimc-core.h:25:9:
warning: switch with no cases
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Add 'default' case to silence the following warning:
arch/arm/plat-samsung/include/plat/sdhci.h:356:9: warning: switch with no cases
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Commit c1d1cd597f ("ARM: OMAP2+:
omap_device: remove obsolete pm_lats and early_device code") missed a
few omap_device_build() calls that aren't included as part of the default
OMAP2+ Kconfig, omap2plus_defconfig.
Ideally, all devices that are present on the SoC should be created by
default, and only the corresponding device driver should be configured
or deconfigured in Kconfig. This allows drivers to be built as
modules and loaded later, even if they weren't part of the original
kernel build. Unfortunately, we're not quite there yet.
Thanks to Tony Lindgren for reporting this, found during his
randconfig tests.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
When trying to get rid of the cross-includes of <mach/id.h>
from different drivers, so we can localize ASIC/CPU detection
to the mach-ux500 folder, we run into the way the PRCMU
handles base addresses and firmware detection.
This patch updates the firmware version detection to pass
the required information as platform data instead of
relying on cpu_is_* macros.
Now the PRCMU base address, the secondary TCDM area, the
TCPM area and the IRQ are passed as resources instead of
being grabbed from <mach/*> files. Incidentally this also
removes part of the reliance on <mach/irqs.h>.
Further it updates the firmware version detection, since the
location of the firmware ID bytes in the designated memory
are is now passed from the platform data instead. There is
no reason not to include the nice split-off of a struct to
hold the firmware information and a separate function to
populate it.
The patch actually rids the need to use the external
db8500_prcmu_early_init call at all, but I'm keepin back
that removal as I don't want the patch to be too big.
Cc: arm@kernel.org
Cc: Michel Jaoen <michel.jaouen@stericsson.com>
Cc: Lee Jones <lee.jones@linaro.org>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Acked-by: Loic Pallardy <loic.pallardy@stericsson.com>
Acked-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Let the VPU driver be built by default.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The Netfilter packet filtering framework is useful for so many
use cases that most people will build kernels with it enabled.
So, it would probably make sense to have it enabled by default.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
From Dinh Nguyen, this is a series of patches introducing support for
socfpga hardware (Altera Cyclone5). It also includes a cleanup that
moves some of the ARMv7 cache maintenance functions to a common location,
since three other platforms aready implemented it separately.
* socfpga/hw:
arm: socfpga: Add SMP support for actual socfpga harware
arm: Add v7_invalidate_l1 to cache-v7.S
arm: socfpga: Add entries to enable make dtbs socfpga
arm: socfpga: Add new device tree source for actual socfpga HW
Trivial conflict in arch/arm/mach-tegra/headsmp.S.
Signed-off-by: Olof Johansson <olof@lixom.net>
Because the CPU1 start address is different for socfpga-vt and
socfpga-cyclone5, we add code to use the correct CPU1 start addr.
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Signed-off-by: Pavel Machek <pavel@denx.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Olof Johansson <olof@lixom.net>
mach-socfpga is another platform that needs to use
v7_invalidate_l1 to bringup additional cores. There was a comment that
the ideal place for v7_invalidate_l1 should be in arm/mm/cache-v7.S
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Pavel Machek <pavel@denx.de>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Pavel Machek <pavel@denx.de>
Tested-by: Stephen Warren <swarren@nvidia.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Olof Johansson <olof@lixom.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Magnus Damm <magnus.damm@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Tested-by: Pavel Machek <pavel@denx.de>
Reviewed-by: Pavel Machek <pavel@denx.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Cc: Pavel Machek <pavel@denx.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
Up to this point, support for socfpga has only been on a virtual
platform. Now that actual hardware is available, we add the appropriate
device tree source files.
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Tested-by: Pavel Machek <pavel@denx.de>
Reviewed-by: Pavel Machek <pavel@denx.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Signed-off-by: Olof Johansson <olof@lixom.net>
msm_smd_probe is a driver probe function and may get
called after the __init time, so it must not call
any __init function, as the link-time warning reports.
Take away the __init annotation on proc_comm_boot_wait
to fix this.
Without this patch, building msm_defconfig results in:
WARNING: vmlinux.o(.text+0xb048): Section mismatch in reference from the function msm_smd_probe() to the function .init.text:proc_comm_boot_wait()
The function msm_smd_probe() references
the function __init proc_comm_boot_wait().
This is often because msm_smd_probe lacks a __init
annotation or the annotation of proc_comm_boot_wait is wrong.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Bryan Huntsman <bryanh@codeaurora.org>
Cc: Daniel Walker <c_dwalke@quicinc.com>
Cc: linux-arm-msm@vger.kernel.org
Acked-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
It is now possible to select CONFIG_KVM_ARM_TIMER to enable the
KVM architected timer support.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Do the necessary save/restore dance for the timers in the world
switch code. In the process, allow the guest to read the physical
counter, which is useful for its own clock_event_device.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Add some the architected timer related infrastructure, and support timer
interrupt injection, which can happen as a resultof three possible
events:
- The virtual timer interrupt has fired while we were still
executing the guest
- The timer interrupt hasn't fired, but it expired while we
were doing the world switch
- A hrtimer we programmed earlier has fired
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
It is now possible to select the VGIC configuration option.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Add the init code for the hypervisor, the virtual machine, and
the virtual CPUs.
An interrupt handler is also wired to allow the VGIC maintenance
interrupts, used to deal with level triggered interrupts and LR
underflows.
A CPU hotplug notifier is registered to disable/enable the interrupt
as requested.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Enable the VGIC control interface to be save-restored on world switch.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Plug the interrupt injection code. Interrupts can now be generated
from user space.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
An interrupt may have been disabled after being made pending on the
CPU interface (the classic case is a timer running while we're
rebooting the guest - the interrupt would kick as soon as the CPU
interface gets enabled, with deadly consequences).
The solution is to examine already active LRs, and check the
interrupt is still enabled. If not, just retire it.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Add VGIC virtual CPU interface code, picking pending interrupts
from the distributor and stashing them in the VGIC control interface
list registers.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Add the GIC distributor emulation code. A number of the GIC features
are simply ignored as they are not required to boot a Linux guest.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
User space defines the model to emulate to a guest and should therefore
decide which addresses are used for both the virtual CPU interface
directly mapped in the guest physical address space and for the emulated
distributor interface, which is mapped in software by the in-kernel VGIC
support.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Wire the basic framework code for VGIC support and the initial in-kernel
MMIO support code for the VGIC, used for the distributor emulation.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
When an interrupt occurs for the guest, it is sometimes necessary
to find out which vcpu was running at that point.
Keep track of which vcpu is being run in kvm_arch_vcpu_ioctl_run(),
and allow the data to be retrieved using either:
- kvm_arm_get_running_vcpu(): returns the vcpu running at this point
on the current CPU. Can only be used in a non-preemptible context.
- kvm_arm_get_running_vcpus(): returns the per-CPU variable holding
the running vcpus, usable for per-CPU interrupts.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
On ARM some bits are specific to the model being emulated for the guest and
user space needs a way to tell the kernel about those bits. An example is mmio
device base addresses, where KVM must know the base address for a given device
to properly emulate mmio accesses within a certain address range or directly
map a device with virtualiation extensions into the guest address space.
We make this API ARM-specific as we haven't yet reached a consensus for a
generic API for all KVM architectures that will allow us to do something like
this.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Now that sys_timer has been removed, update the mach-virt machine
descriptor to use a direct pointer to its timer_init function.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
If we want load epoch_cyc and epoch_ns atomically,
we should update epoch_cyc_copy first of all.
This notify reader that updating is in progress.
If we update epoch_cyc first like as current implementation,
there is subtle error case.
Look at the below example.
<Initial Condition>
cyc = 9
ns = 900
cyc_copy = 9
== CASE 1 ==
<CPU A = reader> <CPU B = updater>
write cyc = 10
read cyc = 10
read ns = 900
write ns = 1000
write cyc_copy = 10
read cyc_copy = 10
output = (10, 900)
== CASE 2 ==
<CPU A = reader> <CPU B = updater>
read cyc = 9
write cyc = 10
write ns = 1000
read ns = 1000
read cyc_copy = 9
write cyc_copy = 10
output = (9, 1000)
If atomic read is ensured, output should be (9, 900) or (10, 1000).
But, output in example case are not.
So, change updating sequence in order to correct this problem.
Cc: <stable@vger.kernel.org>
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
From Will Deacon, this lays the foundation for a basic virtualzed machine type.
* 'for-arm-soc/virt/mach' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux:
ARM: mach-virt: add SMP support using PSCI
ARM: Dummy Virtual Machine platform support
Signed-off-by: Olof Johansson <olof@lixom.net>
Basic test logs are available here:
http://www.pwsan.com/omap/testlogs/wfi_devel_a_3.9/20130208085027/
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Merge tag 'omap-devel-b-for-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.9/pm-wfi-take2
On OMAP2+ devices, standardize and clean up WFI entry and WFI blocking.
Basic test logs are available here:
http://www.pwsan.com/omap/testlogs/wfi_devel_a_3.9/20130208085027/
Conflicts:
arch/arm/mach-omap2/pm24xx.c
From Will Deacon:
This set of changes moves the arch-timer driver out from arch/arm/ and
into drivers/clocksource and unifies the new driver with the arm64 copy.
* 'for-arm-soc/arch-timers' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux:
ARM: arch_timers: switch to physical timers if HYP mode is available
Documentation: Add ARMv8 to arch_timer devicetree
arm64: move from arm_generic to arm_arch_timer
arm64: arm_generic: prevent reading stale time
arm: arch_timer: move core to drivers/clocksource
arm: arch_timer: add arch_counter_set_user_access
arm: arch_timer: divorce from local_timer api
arm: arch_timer: add isbs to register accessors
arm: arch_timer: factor out register accessors
arm: arch_timer: split cntfrq accessor
arm: arch_timer: standardise counter reading
arm: arch_timer: use u64/u32 for register data
arm: arch_timer: remove redundant available check
arm: arch_timer: balance device_node refcounting
Signed-off-by: Olof Johansson <olof@lixom.net>
* 'for-rmk/perf' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux:
ARM: perf: simplify __hw_perf_event_init err handling
ARM: perf: remove unnecessary checks for idx < 0
ARM: perf: handle armpmu_register failing
ARM: perf: don't pretend to support counting of L1I writes
ARM: perf: remove redundant NULL check on cpu_pmu
ARM: Use implementor and part defines from cputype.h
ARM: Define CPU part numbers and implementors
Enable AESS data in hwmod in order to be able to probe
audio driver.
Signed-off-by: Sebastien Guiriec <s-guiriec@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Add AESS memory bank data in hwmod in order to provide memory address
information to the driver.
This version also changes the AESS main clock to use a
non-CLKCTRL-based functional clock. These are being removed from the
clock data, since they should be handled by the IP block integration
code. Without this change, the kernel crashes during boot. Thanks to
Tony Lindgren for reporting this during a test merge.
Signed-off-by: Sebastien Guiriec <s-guiriec@ti.com>
[paul@pwsan.com: updated to change the AESS main_clk]
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Enable the AESS auto-gating control bit during AESS hwmod setup. This
fixes the following boot warning on OMAP4:
omap_hwmod: aess: _wait_target_disable failed
Without this patch, the AESS IP block does not indicate to the PRCM
that it is idle after it is reset. This prevents some types of SoC
power management until something sets the auto-gating control bit.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Sebastien Guiriec <s-guiriec@ti.com>
Cc: Benoît Cousson <b-cousson@ti.com>
Cc: Péter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
After setup/enable, some IP blocks need some additional setting to
indicate the PRCM that they are inactive until they are configured.
Some examples on OMAP4 include the AESS and FSUSB IP blocks.
To fix this cleanly, this patch adds another optional function
pointer, enable_preprogram, to the IP block's hwmod data. The function
that is pointed to is called by the hwmod code immediately after the
IP block is reset.
This version of the patch includes a patch description fix from Felipe.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Sebastien Guiriec <s-guiriec@ti.com>
Cc: Benoît Cousson <b-cousson@ti.com>
Cc: Péter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Felipe Balbi <balbi@ti.com>
Add dtsi for imx6q and imx6dl with non-common blocks moved into there.
Major differences between imx6dl and imx6q:
* Dual vs. Quad cores
* single vs. dual IPU
* 128 vs. 256 KB OCRAM
* imx6q: ECSPI5, OpenVG (GC355), SATA
* imx6dl: I2C4, PXP, EPDC, LCDIF
* iomuxc/pads definition
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
i.MX6 Quad and i.MX6 DualLite is similar enough to share one dtsi
file, so rename imx6q.dtsi to imx6qdl.dtsi preparing for the addition
of imx6dl support.
Another member of i.MX6 series i.MX6 SoloLite is different enough
from the other two, so it will stand as a separate dtsi. That's why
we rename to imx6qdl.dtsi not imx6.dtsi.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
For ANATOP LDOs, vddcpu, vddsoc and vddpu
have step time settings in the misc2 register, need
to add necessary step time info for these three LDOs,
then regulator driver can add necessary delay based on
these settings.
offset 0x170:
bit [24-25]: vddcpu
bit [26-27]: vddpu
bit [28-29]: vddsoc
field definition:
0'b00: 64 cycles of 24M clock;
0'b01: 128 cycles of 24M clock;
0'b02: 256 cycles of 24M clock;
0'b03: 512 cycles of 24M clock;
Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Update operating-points per hardware document and add support for
1 GHz and 1.2 GHz frequencies.
400 MHz, 800 MHz and 1 GHz should be supported by all i.MX6Q chips,
while 1.2 GHz support needs to know from OTP fuse bit.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This mxs usbphy is only needs to be on after system boots
up, and software never needs to control it anymore.
Meanwhile, usbphy's parent needs to be notified if usb
is suspend or not. So we design below mxs usbphy usage:
- usbphy1_gate and usbphy2_gate:
Their parents are dummy clock, we only needs to enable
it after system boots up.
- usbphy1 and usbphy2
Usage reserved bit for this clock, in that case, the refcount
will be updated, but without hardware changing.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Remove silicon version from SDMA firmware.
This makes it consistent with other i.MX SoCs firmware names.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
The MBa53 is a baseboard for the TQMA53 embedded module. This enables/adds only
supported devices, i.e. it is not feature complete, because of missing drivers
in mainline linux.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
The tqma53 is an embedded module that has some features on board (e.g. emmc),
but mostly just provides access to them on its interface.
Going along with the imx53.dtsi, the tqma53.dtsi specifies the existing
devices and their pinctrl for this module. All devices that are not on the
module are disabled by default and need to be enabled in a baseboard DT.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Add pinctrl for cspi, csi.
Add new pingroups for can1 and uart3.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
The keypad is on the accessory board of i.MX51 babbage
main board and is driven by Keypad Port(KPP) in SoC.
The keymap is the same to i.MX25 3stack platform as
the accessory board schematic tells that it is designed
in this way.
Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Just to keep consistency with other dts files, place 'status' entry as the last
one.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Following omap3-evm.dts way, it changes all imx dts files to use label
in board dts to refer to nodes defined by soc dtsi. Thus, the board
dts files become easier to read and edit with the least indentation
levels.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Add missing imx dtb targets, so that make dtbs can cover all imx dtbs.
It's pretty useful for testing dts changes.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Add an entry for imx27-pdk.dtb, so that it can be generated by default.
Also, add an entry into Documentation/devicetree/bindings/arm/fsl.txt.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
imx27-pdk is the name found on Freescale website, so use it instead of 3ds.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Any devices wishing to use the AB8500's GPIO IRQs were forced to
request virtual IRQs from the gpio-ab8500 driver. Now that
responsibility has been passed back to the AB8500 core driver,
devices can request real IRQ numbers instead. This patch removes
any traces of the old virtual IRQ conversion handlers, which will
force any drivers requesting IRQs to use real IRQS.
Cc: arm@kernel.org
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
AB8500 GPIO no longer handles its GPIO IRQs. Instead, the AB8500
core driver has taken back the responsibility. Prior to this
happening, the AB8500 GPIO driver provided a set of virtual IRQs
which were used as a pass-through. These virtual IRQs had a base
of MOP500_AB8500_VIR_GPIO_IRQ_BASE, which was passed though pdata.
We don't need to do this anymore, so we're pulling out the
property from the structure.
Cc: arm@kernel.org
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-Compile fix for !SMP
-More cpu cluster id related fixes
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Merge tag 'highbank-fixes-for-3.8' of git://sources.calxeda.com/kernel/linux into fixes
From Rob Herring:
highbank fixes for 3.8
-Compile fix for !SMP
-More cpu cluster id related fixes
* tag 'highbank-fixes-for-3.8' of git://sources.calxeda.com/kernel/linux:
ARM: highbank: mask cluster id from cpu_logical_map
ARM: scu: mask cluster id from cpu_logical_map
ARM: scu: add empty scu_enable for !CONFIG_SMP
Looks like there are few more places that I missed that can cause
compiler warnings. After grepping for omap initcall, all files
needing soc.h should now have it.
Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
I needed this when compiling for pandaboard.
The reason this is needed is that we are now using
omap_initcalls to keep them multiplatform safe.
Signed-off-by: André Hentschel <nerv@dawncrow.de>
[tony@atomide.com: updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
- Mostly cfa100xx related device tree source updates
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Merge tag 'mxs-dt-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/dt
From Shawn Guo:
mxs device tree changes for 3.9
- Mostly cfa100xx related device tree source updates
* tag 'mxs-dt-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: mxs: dts: Add rotary encoder to the CFA-10049
ARM: mxs: dts: Add gpio-keys for the rotary to the CFA-10049
ARM: dts: mxs: Add the LCD to the 10049 board
ARM: dts: mxs: Add muxing options for the third PWM
ARM: dts: cfa10049: Change the SPI3 bus to spi-gpio
ARM: mxs: dt: Add Crystalfontz CFA-10037 device tree support
ARM: mxs: Enable touchscreen on m28evk
ARM: dts: cfa10049: Add PCA9555 GPIO expander to the device tree
- A couple of optimization on timer
- Some updates on mxs_defconfig
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Merge tag 'mxs-soc-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc
From Shawn Guo:
mxs soc changes for 3.9
- A couple of optimization on timer
- Some updates on mxs_defconfig
* tag 'mxs-soc-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: mxs_defconfig: Select CONFIG_DEVTMPFS_MOUNT
ARM: mxs: decrease mxs_clockevent_device.min_delta_ns to 2 clock cycles
ARM: mxs: use apbx bus clock to drive the timers on timrotv2
ARM: mxs: Update mxs_defconfig
The Kconfig options selected by ARCH_TEGRA_*_SOC were recently sorted.
Update the newly added ARCH_TEGRA_114_SOC's select statements to match.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
CONFIG_ARCH_TEGRA_114_SOC doesn't currently enable gpiolib, which causes
numerous build problems building a Tegra kernel with only Tegra114
enabled, and not Tegra20 or Tegra30. Enable ARCH_REQUIRE_GPIOLIB to
solve this. However, all Tegra will use gpiolib, so select this option
from ARCH_TEGRA rather than each individual ARCH_TEGRA_*_SOC, to
prevent this problem for any future chips.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
This patch fixes the build error when ARCH_TEGRA_114_SOC is enabled
and ARCH_TEGRA_3x_SOC is disabled.
This provides Tegra114 with its own tegra114_init_early() instead of
making use of tegra30_init_early() so that T114 build doesn't depend
on T3x anymore.
Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
This pull request adds support for I2C0 and watchdog timer
for DA850 EVM booting using device tree. It also enables
machine reboot when using device tree.
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Merge tag 'davinci-for-v3.9/dt-2' of git://gitorious.org/linux-davinci/linux-davinci into next/dt
From Sekhar Nori:
Second round of DT updates for DaVinci.
This pull request adds support for I2C0 and watchdog timer
for DA850 EVM booting using device tree. It also enables
machine reboot when using device tree.
* tag 'davinci-for-v3.9/dt-2' of git://gitorious.org/linux-davinci/linux-davinci:
ARM: davinci: da850 DT: add support for machine reboot
ARM: davinci: da850: add wdt DT node
ARM: davinci: da850: add DT node for I2C0
- adding the watchdog to Animeo IP board
- some more DT support for at91rm9200 peripherals
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Merge tag 'at91-dt' of git://github.com/at91linux/linux-at91 into next/dt
From Nicolas Ferre:
Update to DT files for AT91:
- adding the watchdog to Animeo IP board
- some more DT support for at91rm9200 peripherals
* tag 'at91-dt' of git://github.com/at91linux/linux-at91:
ARM: at91: add EMAC bindings to RM9200 DT
ARM: at91: add SSC bindings to RM9200 DT
ARM: at91: add MMC bindings to RM9200 DT
ARM: at91: Animeo IP: enable watchdog support
Signed-off-by: Olof Johansson <olof@lixom.net>
Update for audio support via omap-twl4030 and pwm updates in board level,
and zoom-peripherals update to not request the TWL GPIO7.
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Merge tag 'omap-for-v3.9/twl-signed-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/boards
From Tony Lidgren:
OMAP TWL updates from Peter Ujfalusi <peter.ujfalusi@ti.com>:
Update for audio support via omap-twl4030 and pwm updates in board level,
and zoom-peripherals update to not request the TWL GPIO7.
* tag 'omap-for-v3.9/twl-signed-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Fix twl section warnings related to omap_twl4030_audio_init
ARM: board-zoom: Do not request LCD panel enable GPIO from twl4030
ARM: OMAP: omap3beagle: Use the pwm_leds driver to control the PMU_STAT led
ARM: OMAP: board-4430sdp: Proper support for TWL6030 PWM LED/Backlight
ARM: OMAP: sdp3430: Audio support via the common omap-twl4030 machine driver
ARM: OMAP: zoom: Audio support via the common omap-twl4030 machine driver
ARM: OMAP2+: twl-common: Allow boards to customize the twl4030 audio setup
ARM: OMAP2+: twl-common: Add default twl4030 audio configuration
ARM: OMAP: zoom: Zoom2 does not have extmute functionality
ARM: OMAP: 3430sdp: Enable extmute functionality for audio
Register ARM architected timer.
This is preparatory work by Magnus Damm for SoC(s) that use
the ARM architected timer.
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Merge tag 'renesas-soc4-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
From Simon Horman:
Fourth round of Renesas ARM-based SoC changes for v3.9
Register ARM architected timer.
This is preparatory work by Magnus Damm for SoC(s) that use
the ARM architected timer.
* tag 'renesas-soc4-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: Register ARM architected timer
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Merge tag 'at91-cleanup' of git://github.com/at91linux/linux-at91 into next/cleanup
From Nicolas Ferre:
Little AT91 cleanup: only remove one deprecated board.
* tag 'at91-cleanup' of git://github.com/at91linux/linux-at91:
ARM: at91: remove NEOCORE 926 board
Signed-off-by: Olof Johansson <olof@lixom.net>
Modify/remove conflict in arch/arm/mach-at91/board-neocore926.c
When running on Integrator/AP using atags, ap_syscon_base is initialised
in ->map_io, which isn't called for !MMU platforms.
Instead, initialise the pointer in ->machine_init, as we do when booting
with device-tree.
Cc: stable@vger.kernel.org
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Update the da8xx_restart() function to support machine reboot
when booting using DT. Have the function search for the watchdog
platform device instead of always using "da8xx_wdt_device" which
is never registered in DT case.
While at it, also make da8xx_wdt_device static since there is no need
for it to be globally visible.
Tested machine reboot with both DT and non-DT boot on DA850 EVM.
Signed-off-by: Kumar, Anil <anilkumar.v@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Add I2C0 device tree and pin muxing information to da850-evm.
Also, add OF_DEV_AUXDATA for I2C0 controller driver in da850
board dt file to use I2C0 clock.
Verified i2c0 node gets created in sys class interface as
"/sys/class/i2c-dev/i2c-0/subsystem/i2c-0".
nsekhar@ti.com: tested using i2cdetect and i2cdump.
Signed-off-by: Vishwanathrao Badarkhe, Manish <manishv.b@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
The device->state_count is initialized in the cpuidle_register_device
function.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Len Brown <len.brown@intel.com>
With one function handling the idle state and a single variable,
the usage of the davinci_ops is overkill.
This patch removes these ops and simplify the code.
Furthermore, the 'driver_data' field is no longer used, we have
1 of the 3 remaining user of this field removed.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Len Brown <len.brown@intel.com>
The patch is mindless, it just moves the idle function below in the file
in order to prevent forward declaration in the next patch.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Len Brown <len.brown@intel.com>
That will allow to cleanup the rest of the code right after,
because the ops won't make sense.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Enabling UART FIFO in bootloader caused the kernel infinite
loop on S5PV210 due to uninitialized fifo_max and fifo_mask global
variables. This patch adds the correct initialization.
Signed-off-by: Alexey Galakhov <agalakhov@gmail.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Symbol S3C_DEV_USB_HOST should be defined to avoid this problem.
LINK vmlinux
LD vmlinux.o
MODPOST vmlinux.o
WARNING: modpost: Found 2 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
GEN .version
CHK include/generated/compile.h
UPD include/generated/compile.h
CC init/version.o
LD init/built-in.o
arch/arm/mach-s3c24xx/built-in.o:(.init.data+0x660): undefined reference to `s3c_device_ohci'
make: *** [vmlinux] Error 1
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Pull ARM fixes from Russell King:
"I was going to hold these off until v3.8 was out, and send them with a
stable tag, but as everyone else is pushing much bigger fixes which
Linus is accepting, let's save people from the hastle of having to
patch v3.8 back into working or use a stable kernel.
Looking at the diffstat, this really is high value for its size; this
is miniscule compared to how the -rc6 to tip diffstat currently looks.
So, four patches in this set:
- Punit Agrawal reports that the kernel no longer boots on MPCore due
to a new assumption made in the GIC code which isn't true of
earlier GIC designs. This is the biggest change in this set.
- Punit's boot log also revealed a bunch of WARN_ON() dumps caused by
the DT-ification of the GIC support without fixing up non-DT
Realview - which now sees a greater number of interrupts than it
did before.
- A fix for the DMA coherent code from Marek which uses the wrong
check for atomic allocations; this can result in spinlock lockups
or other nasty effects.
- A fix from Will, which will affect all Android based platforms if
not applied (which use the 2G:2G VM split) - this causes
particularly 'make' to misbehave unless this bug is fixed."
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: 7641/1: memory: fix broken mmap by ensuring TASK_UNMAPPED_BASE is aligned
ARM: DMA mapping: fix bad atomic test
ARM: realview: ensure that we have sufficient IRQs available
ARM: GIC: fix GIC cpumask initialization
The missing include led to a implcit declaration warning:
In file included from arch/arm/mach-s3c24xx/mach-osiris.c:34:0:
include/linux/platform_data/i2c-s3c2410.h:37:26: warning: 'struct platform_device' declared inside parameter list [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:37:26: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:66:38: warning: 'struct platform_device' declared inside parameter list [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:67:38: warning: 'struct platform_device' declared inside parameter list [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:68:38: warning: 'struct platform_device' declared inside parameter list [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:69:38: warning: 'struct platform_device' declared inside parameter list [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:70:38: warning: 'struct platform_device' declared inside parameter list [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:71:38: warning: 'struct platform_device' declared inside parameter list [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:72:38: warning: 'struct platform_device' declared inside parameter list [enabled by default]
include/linux/platform_data/i2c-s3c2410.h:73:38: warning: 'struct platform_device' declared inside parameter list [enabled by default]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
The code to enter sleep is used by both the s3c2412 and s3c2416 and
was thus factored out into an extra config option.
But it seems it was forgotten to add the appropriate select to the
s3c2412 pm option, resulting in breakage when only compiling s3c2412
support.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
dpll_usb needs the clkdm association so the clkdm can be
turned on before a relock. All other dplls for omap4 belong
to the ALWON (always on) domain.
The association was present as part of the older data file
(clock44xx_data.c) but looks like got accidently dropped with
the common clk convertion.
More details of the patch which fixed this up in the older
data file can be dound here..
http://www.spinics.net/lists/linux-omap/msg63076.html
Adding the .clkdm_name as part of the clk_hw_omap struct also
means a new .init needs to be part of the clk_ops for dpll_usb
to initialise the clkdm.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Commit 1416408d {ARM: OMAP2+: PM: share some suspend-related functions
across OMAP2, 3, 4} moved suspend code to common place but now with
that change, for DT build on OMAP4, suspend hooks are not getting
registered which results in no suspend support.
The DT return condition is limited to PMIC and smartreflex
initialization and hence restrict it so that suspend ops gets
registered.
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
The board is not available anymore and it seems its use
is very limited.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Alexandre Belloni <abelloni@adeneo-embedded.com>
am33xx_cm_wait_module_ready() checks if register offset is NULL.
int am33xx_cm_wait_module_ready(u16 inst, s16 cdoffs, u16 clkctrl_offs)
{
int i = 0;
if (!clkctrl_offs)
return 0;
In case of AM33xx, CLKCTRL register offset for different clock domains
are not uniformly placed. An example of this would be the RTC clock
domain with CLKCTRL offset at 0x00.
In such cases the module ready check is skipped which leads to a data
abort during boot-up when RTC registers is accessed.
Remove this check here to avoid checking module readiness for modules
with clkctrl register offset at 0x00.
Koen Kooi notes that this patch fixes a crash on boot with
CONFIG_RTC_DRV_OMAP=y with v3.8-rc5.
Signed-off-by: Hebbar Gururaja <gururaja.hebbar@ti.com>
Cc: Koen Kooi <koen@dominion.thruhere.net>
[paul@pwsan.com: noted Koen's test in the patch description]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
struct omap_hwmod records belonging to wkup m3 domain is missing
HWMOD_NO_IDLEST flags; add them.
This patch is a prerequisite for a subsequent patch, 'ARM: OMAP2:
am33xx-hwmod: Fix "register offset NULL check" bug'. That patch would
otherwise attempt to read from reserved bits.
Signed-off-by: Hebbar Gururaja <gururaja.hebbar@ti.com>
[paul@pwsan.com: add some more explanation in the patch description]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
As part of PWM subsystem integration, PWM subsystem are sharing
resources like clock across submodules (ECAP, EQEP & EHRPWM). To handle
resource sharing & IP integration rework on parent child relation
between PWMSS and ECAP, EQEP & EHRPWM child devices to support runtime PM.
Signed-off-by: Philip Avinash <avinashphilip@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
EQEP IP block integration data is not present in HWMOD data. Also
address ranges specified for EACP & EHRPWM are not correct & HWMOD
flags of ADDR_TYPE_RT are added to PWM subsystem register address
space. This patch:
1. Corrects register address mapping for ECAP & EHRPWM
2. Removes HWMOD flags in PWM submodule register address space.
3. Adds EQEP HWMOD entries.
Signed-off-by: Philip Avinash <avinashphilip@ti.com>
[paul@pwsan.com: tweaked patch description]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Since AM33XX supports only DT-boot, this is needed
for the appropriate device nodes to be created.
Note: OCMC RAM is part of the PER power domain and supports
retention. The assembly code for low power entry/exit will
run from OCMC RAM. To ensure that the OMAP PM code does not
attempt to disable the clock to OCMC RAM as part of the
suspend process add the no_idle_on_suspend flag.
Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
WKUP-M3 has a reset status bit (RM_WKUP_STST.WKUP_M3_LRST)
Update the hardreset API to ensure that the reset line properly
deasserted.
Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
WKUP-M3 has a reset status bit (RM_WKUP_STST.WKUP_M3_LRST)
Update the WKUP-M3 hwmod data to reflect the same.
Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
The current HWMOD code expects the memory region with
the IP's SYSCONFIG register to be marked with ADDR_TYPE_RT
flag.
CPGMAC0 hwmod entry specifies two memory regions and marks
both with the flag ADDR_TYPE_RT although only the 2nd region
has the SYSCONFIG register. This leads to the HWMOD code
accessing the wrong memory address for idle and standby
operations. Fix this by removing the ADDR_TYPE_RT flag from
the 1st memory region in CPGMAC0 hwmod entry.
Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Third Party Transfer Controller (TPTC0) needs to be idled and
put to standby under SW control. Add the appropriate flags in
the TPTC0 hwmod entry.
Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
OCMC RAM lies in the PER power domain and this memory
support retention.
Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
This is necessary to ensure that macros declared here can
be reused from assembly files.
Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
