the merge window.
- A fix from Oleg to async page faults.
- A bunch of small ARM changes.
- A trivial patch to use the new MSI-X API introduced during the merge
window.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
- Fix for a Haswell regression in nested virtualization, introduced
during the merge window.
- A fix from Oleg to async page faults.
- A bunch of small ARM changes.
- A trivial patch to use the new MSI-X API introduced during the merge
window.
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: ARM: vgic: Fix the overlap check action about setting the GICD & GICC base address.
KVM: arm/arm64: vgic: fix GICD_ICFGR register accesses
KVM: async_pf: mm->mm_users can not pin apf->mm
KVM: ARM: vgic: Fix sgi dispatch problem
MAINTAINERS: co-maintainance of KVM/{arm,arm64}
arm: KVM: fix possible misalignment of PGDs and bounce page
KVM: x86: Check for host supported fields in shadow vmcs
kvm: Use pci_enable_msix_exact() instead of pci_enable_msix()
ARM: KVM: disable KVM in Kconfig on big-endian systems
This branch contains a pair of important bug fixes for the DT code:
- Fix some incorrect binding property names before they enter common usage
- Fix bug where some platform devices will be unable to get their
interrupt number when they depend on an interrupt controller that is
not available at device creation time. This is a problem causing
mainline to fail on a number of ARM platforms.
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Merge tag 'dt-for-linus' of git://git.secretlab.ca/git/linux
Pull devicetree bug fixes from Grant Likely:
"These are some important bug fixes that need to get into v3.15.
This branch contains a pair of important bug fixes for the DT code:
- Fix some incorrect binding property names before they enter common
usage
- Fix bug where some platform devices will be unable to get their
interrupt number when they depend on an interrupt controller that
is not available at device creation time. This is a problem
causing mainline to fail on a number of ARM platforms"
* tag 'dt-for-linus' of git://git.secretlab.ca/git/linux:
of/irq: do irq resolution in platform_get_irq
of: selftest: add deferred probe interrupt test
dt: Fix binding typos in clock-names and interrupt-names
The kvm/mmu code shared by arm and arm64 uses kalloc() to allocate
a bounce page (if hypervisor init code crosses page boundary) and
hypervisor PGDs. The problem is that kalloc() does not guarantee
the proper alignment. In the case of the bounce page, the page sized
buffer allocated may also cross a page boundary negating the purpose
and leading to a hang during kvm initialization. Likewise the PGDs
allocated may not meet the minimum alignment requirements of the
underlying MMU. This patch uses __get_free_page() to guarantee the
worst case alignment needs of the bounce page and PGDs on both arm
and arm64.
Cc: <stable@vger.kernel.org> # 3.10+
Signed-off-by: Mark Salter <msalter@redhat.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
This merges the patch to fix possible loss of dirty bit on munmap() or
madvice(DONTNEED). If there are concurrent writers on other CPU's that
have the unmapped/unneeded page in their TLBs, their writes to the page
could possibly get lost if a third CPU raced with the TLB flush and did
a page_mkclean() before the page was fully written.
Admittedly, if you unmap() or madvice(DONTNEED) an area _while_ another
thread is still busy writing to it, you deserve all the lost writes you
could get. But we kernel people hold ourselves to higher quality
standards than "crazy people deserve to lose", because, well, we've seen
people do all kinds of crazy things.
So let's get it right, just because we can, and we don't have to worry
about it.
* safe-dirty-tlb-flush:
mm: split 'tlb_flush_mmu()' into tlb flushing and memory freeing parts
Pull arm fixes from Russell King:
"A number of fixes for the PJ4/iwmmxt changes which arm-soc forced me
to take during the merge window. This stuff should have been better
tested and sorted out *before* the merge window"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 8042/1: iwmmxt: allow to build iWMMXt on Marvell PJ4B
ARM: 8041/1: pj4: fix cpu_is_pj4 check
ARM: 8040/1: pj4: properly detect existence of iWMMXt coprocessor
ARM: 8039/1: pj4: enable iWMMXt only if CONFIG_IWMMXT is set
ARM: 8038/1: iwmmxt: explicitly check for supported architectures
Here are some small staging and IIO driver fixes for 3.15-rc3.
Nothing major at all, just some assorted issues that people have reported.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging / IIO driver fixes from Greg KH:
"Here are some small staging and IIO driver fixes for 3.15-rc3.
Nothing major at all, just some assorted issues that people have
reported"
* tag 'staging-3.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: comedi: usbdux: bug fix for accessing 'ao_chanlist' in private data
iio: adc: mxs-lradc: fix warning when buidling on avr32
iio: cm36651: Fix i2c client leak and possible NULL pointer dereference
iio: querying buffer scan_mask should return 0/1
staging:iio:ad2s1200 fix a missing break
iio: adc: at91_adc: correct default shtim value
ARM: at91: at91sam9260: change at91_adc name
ARM: at91: at91sam9g45: change at91_adc name
iio: cm32181: Fix read integration time function
iio: adc: at91_adc: Repair broken platform_data support
KVM currently crashes and burns on big-endian hosts, so don't allow it
to be selected until we've got that fixed.
Cc: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
The mmu-gather operation 'tlb_flush_mmu()' has done two things: the
actual tlb flush operation, and the batched freeing of the pages that
the TLB entries pointed at.
This splits the operation into separate phases, so that the forced
batched flushing done by zap_pte_range() can now do the actual TLB flush
while still holding the page table lock, but delay the batched freeing
of all the pages to after the lock has been dropped.
This in turn allows us to avoid a race condition between
set_page_dirty() (as called by zap_pte_range() when it finds a dirty
shared memory pte) and page_mkclean(): because we now flush all the
dirty page data from the TLB's while holding the pte lock,
page_mkclean() will be held up walking the (recently cleaned) page
tables until after the TLB entries have been flushed from all CPU's.
Reported-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Tested-by: Dave Hansen <dave.hansen@intel.com>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Since we didn't get around to collect fixes in time for -rc2 over
the easter vacation, this one is unfortunately a bit larger than
we'd like for an -rc3 merge. A large set of the changes is in the
device tree sources, so I'm splitting out the description between
code changes and DT changes. Aside from omap and versatile express,
the actual code bugs are sporadic and trivial. Here is an overview:
imx:
- fix video clock settings
- fix one clock refcounting bug
omap:
- update defconfig for renamed USB PHY driver
- fix error handling in gpmc
- fix N900 video initialization regression
- fix reression in hwmod code from missing braces
- fix am43xx and omap3 clocks
- remove bogus write to voltage control register
pxa:
- fix build regression from 3.13 header cleanup
rockchip:
- fix a misleading printk string
shmobile:
- fix incorrect sound setting on multiple machines
spear:
- remove incorrect __init section annotation
tegra:
- remove a stale Kconfig entry
u300:
- update defconfig
ux500:
- enable common wireless and sensor drivers in defconfig
- more defconfig updates
vexpress:
- fix voltage calculation for opp
- fix reboot hang and warning
- fix out-of-bounds array access
- improve error handling in clock driver
overall:
- always select CLKSRC_OF in multiplatform builds
And these are the devicetree related changes:
imx:
- add missing #clock-cell properties
- fix pinctrl setting in imx6sl-evk
- fix video endpoint on imx53
- remove obsolete lvds-channel nodes (multiple patches)
- add missing second stmpe node
- fix usb host mode on dmo-edmqmx6 (multiple patches)
- fix gic node #address-cells to match usage
- add missing legacy IRQ map for PCIe
- fix microsom pincontrol setting for rgmii
- fix fatal typo in touchscreen DT usage for mx5
- list all RAM present on m53evk and mx53qsb
omap:
- fix bug in DT handling of gpmc external bus
- add DT for older revision of beagleboard
- fix regression after DT node name fixes
- remove obsolete properties for gpmc
- fix pinmux comment to match DT it refers to
- fix newly added dra7xx clock node data
- add missing clock for USB PHY
mvebu:
- add missing clock for mdio node
- fix nonstandard vendor prefixes on i2c nodes
rockchip:
- fix pin control setting for uart
shmobile:
- fix typo in DT data for pin control (multiple patches)
- fix gic node #address-cells to match usage
tegra:
- fix clock and uart DT representation to match hardware
zynq:
- add DT nodes for newly added driver
- add DT properties required for cpufreq-ondemand
overall:
- restore alphabetic order in Makefile
- grammar fixes in bindings
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Merge tag 'fixes-3.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"Since we didn't get around to collect fixes in time for -rc2 over the
easter vacation, this one is unfortunately a bit larger than we'd like
for an -rc3 merge.
A large set of the changes is in the device tree sources, so I'm
splitting out the description between code changes and DT changes.
Aside from omap and versatile express, the actual code bugs are and
trivial. Here is an overview:
imx:
- fix video clock settings
- fix one clock refcounting bug
omap:
- update defconfig for renamed USB PHY driver
- fix error handling in gpmc
- fix N900 video initialization regression
- fix reression in hwmod code from missing braces
- fix am43xx and omap3 clocks
- remove bogus write to voltage control register
pxa:
- fix build regression from 3.13 header cleanup
rockchip:
- fix a misleading printk string
shmobile:
- fix incorrect sound setting on multiple machines
spear:
- remove incorrect __init section annotation
tegra:
- remove a stale Kconfig entry
u300:
- update defconfig
ux500:
- enable common wireless and sensor drivers in defconfig
- more defconfig updates
vexpress:
- fix voltage calculation for opp
- fix reboot hang and warning
- fix out-of-bounds array access
- improve error handling in clock driver
overall:
- always select CLKSRC_OF in multiplatform builds
And these are the devicetree related changes:
imx:
- add missing #clock-cell properties
- fix pinctrl setting in imx6sl-evk
- fix video endpoint on imx53
- remove obsolete lvds-channel nodes (multiple patches)
- add missing second stmpe node
- fix usb host mode on dmo-edmqmx6 (multiple patches)
- fix gic node #address-cells to match usage
- add missing legacy IRQ map for PCIe
- fix microsom pincontrol setting for rgmii
- fix fatal typo in touchscreen DT usage for mx5
- list all RAM present on m53evk and mx53qsb
omap:
- fix bug in DT handling of gpmc external bus
- add DT for older revision of beagleboard
- fix regression after DT node name fixes
- remove obsolete properties for gpmc
- fix pinmux comment to match DT it refers to
- fix newly added dra7xx clock node data
- add missing clock for USB PHY
mvebu:
- add missing clock for mdio node
- fix nonstandard vendor prefixes on i2c nodes
rockchip:
- fix pin control setting for uart
shmobile:
- fix typo in DT data for pin control (multiple patches)
- fix gic node #address-cells to match usage
tegra:
- fix clock and uart DT representation to match hardware
zynq:
- add DT nodes for newly added driver
- add DT properties required for cpufreq-ondemand
overall:
- restore alphabetic order in Makefile
- grammar fixes in bindings"
* tag 'fixes-3.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (66 commits)
ARM: vexpress/TC2: Convert OPP voltage to uV before storing
power/reset: vexpress: Fix restart/power off operation
dt: tegra: remove non-existent clock IDs
clk: tegra: remove non-existent clocks
ARM: tegra: remove UART5/UARTE from tegra124.dtsi
ARM: tegra: remove TEGRA_EMC_SCALING_ENABLE
ARM: Tidy up DTB Makefile entries
ARM: fix missing CLKSRC_OF on multi-platform
ARM: spear: add __init to spear_clocksource_init()
ARM: pxa: hx4700.h: include "irqs.h" for PXA_NR_BUILTIN_GPIO
arm/mach-vexpress: array accessed out of bounds
clk: vexpress: NULL dereference on error path
ARM: OMAP2+: Fix GPMC remap for devices using an offset
ARM: zynq: dt: Add I2C nodes to Zynq device tree
ARM: zynq: DT: Add 'clock-latency' property
ARM: OMAP2+: Fix oops for GPMC free
ARM: dts: Add support for the BeagleBoard xM A/B
ARM: dts: Grammar /that will/it will/
ARM: dts: Grammar /is uses/ is used/
ARM: OMAP2+: Fix config name for USB3 PHY
...
- fix for a long-standing bug in __break_lease that can cause soft lockups
- renaming of file-private locks to "open file description" locks, and the
command macros to more visually distinct names.
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Merge tag 'locks-v3.15-2' of git://git.samba.org/jlayton/linux
Pull file locking fixes from Jeff Layton:
"File locking related bugfixes for v3.15 (pile #2)
- fix for a long-standing bug in __break_lease that can cause soft
lockups
- renaming of file-private locks to "open file description" locks,
and the command macros to more visually distinct names
The fix for __break_lease is also in the pile of patches for which
Bruce sent a pull request, but I assume that your merge procedure will
handle that correctly.
For the other patches, I don't like the fact that we need to rename
this stuff at this late stage, but it should be settled now
(hopefully)"
* tag 'locks-v3.15-2' of git://git.samba.org/jlayton/linux:
locks: rename FL_FILE_PVT and IS_FILE_PVT to use "*_OFDLCK" instead
locks: rename file-private locks to "open file description locks"
locks: allow __break_lease to sleep even when break_time is 0
Some Marvell PJ4B CPUs also implement iWMMXt extensions. With a
proper check for iWMMXt coprocessors now in place, enable it by
default on PJ4B. While at it, also allow to manually select
the corresponding Kconfig option.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Commit fdb487f5c9
("ARM: 8015/1: Add cpu_is_pj4 to distinguish PJ4 because it
has some differences with V7")
introduced a cpuid check for Marvell PJ4 processors to fix a
regression caused by adding PJ4 based Marvell Dove into
multi_v7.
Unfortunately, this check is too narrow to catch PJ4 used on
Dove itself and breaks iWMMXt support.
This patch therefore relaxes the cpuid mask to match both PJ4
and PJ4B. Also, rework the given comment about PJ4/PJ4B
modifications to be a little bit more specific about the
differences.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
commit fdb487f5c9
("ARM: 8015/1: Add cpu_is_pj4 to distinguish PJ4 because it
has some differences with V7")
introduced a fix for checking PJ4 cpuid to not use PJ4 specific
coprocessor access on non-PJ4 platforms.
Unfortunately, this in turn broke Marvell Armada 370/XP, both
comprising Marvell PJ4B CPUs without iWMMXt extension. Instead
of only checking for cpuid, which may not be sufficient to
determine iWMMXt support, the presence of iWMMXt coprocessors
can be checked by enabling and reading the Coprocessor ID
register (wCID, register 0 of CP1).
Therefore this adds an explicit check for the presence and correct
wCID value, before enabling iWMMXt capabilities. As a bonus, also
print the iWMMXt version of a detected coprocessor.
This has been tested to properly detect iWMMXt presence/absence on:
- PJ4, CPUID 0x560f5815, wCID 0x56052001: Marvell Dove, iWMMXt v2
- PJ4B, CPUID 0x561f5811: Marvell Armada 370, no iWMMXt
- PJ4B, CPUID 0x562f5841, wCID 0x56052001: Marvell Armada 1500, iWMMXt v2
- PJ4B, CPUID 0x562f5842: Marvell Armada XP, no iWMMXt
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This fixes PJ4 coprocessor init to only expose iWMMXt capabilities,
if the corresponding kernel support for iWMMXt is enabled.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
iwmmxt.S requires special treatment of coprocessor access registers
for PJ4 and XScale-based CPUs. It only checks for CPU_PJ4 and drops
down to XScale-based treatment on all other architectures.
As some PJ4B also come with iWMMXt and also need PJ4 treatment,
rework the corresponding preprocessor directives to explicitly
check for supported architectures and fail on unsupported ones.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This series contains straight-forward fixes for different
Versatile Express infrastructure drivers:
- NULL pointer dereference on the error path in the clk driver
- out of boundary array access in the dcscb driver
- broken restart/power off implementation
- mis-interpreted voltage unit in the spc driver
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Merge tag 'vexpress/fixes-for-3.15' of git://git.linaro.org/people/pawel.moll/linux into fixes
ARM Versatile Express fixes for 3.15
This series contains straight-forward fixes for different
Versatile Express infrastructure drivers:
- NULL pointer dereference on the error path in the clk driver
- out of boundary array access in the dcscb driver
- broken restart/power off implementation
- mis-interpreted voltage unit in the spc driver
* tag 'vexpress/fixes-for-3.15' of git://git.linaro.org/people/pawel.moll/linux:
ARM: vexpress/TC2: Convert OPP voltage to uV before storing
power/reset: vexpress: Fix restart/power off operation
arm/mach-vexpress: array accessed out of bounds
clk: vexpress: NULL dereference on error path
Includes an update to 3.15-rc2
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
A few driver specific fixes here:
- SH HSPI was dealing with its clocks incorrectly which meant it didn't
work on some SoCs, fixing this also requires a small fix to one of
the SoC clock trees to avoid breaking existing users.
- The SiRF driver appears to have had several quality problems, it's
fairly new and not widely used so this isn't too worrying.
- A brute force fix for excessive locking in the Atmel driver, it needs
further investigation but this deals with the immediate issue.
- A build fix for the Blackfin driver.
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Merge tag 'spi-v3.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few driver specific fixes here:
- SH HSPI was dealing with its clocks incorrectly which meant it
didn't work on some SoCs, fixing this also requires a small fix to
one of the SoC clock trees to avoid breaking existing users.
- The SiRF driver appears to have had several quality problems, it's
fairly new and not widely used so this isn't too worrying.
- A brute force fix for excessive locking in the Atmel driver, it
needs further investigation but this deals with the immediate
issue.
- A build fix for the Blackfin driver"
* tag 'spi-v3.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: atmel: Fix scheduling while atomic bug
spi: sh-hspi: Do not specifically request shyway_clk clock
ARM: shmobile: r8a7778: Use clks as MSTP007 parent
spi: sirf: make GPIO chipselect function work well
spi: sirf: set SPI controller in RISC IO chipselect mode
spi: sirf: correct TXFIFO empty interrupt status bit
spi: bfin5xx: fix build error
Pull dma-mapping fix from Marek Szyprowski:
"A small fix for dma-mapping subsystem for ARM"
* 'fixes_for_v3.15' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
arm: dma-mapping: Fix mapping size value
The SPC stores voltage in mV while the code assumes it was returning
uV. Convert the returned voltage to uV before storing. Also fix the
comment depicting voltage to uV.
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Tegra124 only has 4 UARTs. Parts of the documentation hint at a fifth
UART, but this appears to be left-over from earlier SoC documentation.
Remove the non-existent DT node for UART5.
Cc: <stable@vger.kernel.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
device tree based booting. And turns out BeagleBoard xM A/B
needs it's own minimal dts in addition to the related u-boot
changes. Also few minor documentation and typo fixes are merged
to get them out of the way.
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Merge tag 'omap-for-v3.15/fixes-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Fixes for omaps, mostly to fix some GPMC, DSS and USB issues for
device tree based booting. And turns out BeagleBoard xM A/B
needs it's own minimal dts in addition to the related u-boot
changes. Also few minor documentation and typo fixes are merged
to get them out of the way.
* tag 'omap-for-v3.15/fixes-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Fix GPMC remap for devices using an offset
ARM: OMAP2+: Fix oops for GPMC free
ARM: dts: Add support for the BeagleBoard xM A/B
ARM: dts: Grammar /that will/it will/
ARM: dts: Grammar /is uses/ is used/
ARM: OMAP2+: Fix config name for USB3 PHY
ARM: dts: am335x: update USB DT references
ARM: dts: OMAP2+: remove uses of obsolete gpmc,device-nand
ARM: AM335X: EVM: fix pinmux documentation in devicetree
ARM: OMAP2+: N900: remove omapdss init for DT boot
ARM: dts: dra7xx-clocks: Correct mcasp2_ahclkx_mux bit-shift
ARM: dts: omap5: Add clocks to USB3 PHY node
ARM: OMAP2+: hwmod: fix missing braces in _init()
ARM: AM43xx: fix dpll init in bypass mode
ARM: OMAP3: hwmod data: Correct clock domains for USB modules
ARM: OMAP3: PM: remove access to PRM_VOLTCTRL register
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Updates the Ux500 (U8500) defconfig
- Selects PARTITION_ADVANCED for Ux500 and U300
- Configure in IIO sensor drivers for the Ux500
- Configure in the CW1200 WLAN chip for the Ux500
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Merge tag 'ux500-defconfig-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into fixes
This is a patch set for some ST-Ericsson devices:
- Updates the Ux500 (U8500) defconfig
- Selects PARTITION_ADVANCED for Ux500 and U300
- Configure in IIO sensor drivers for the Ux500
- Configure in the CW1200 WLAN chip for the Ux500
* tag 'ux500-defconfig-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
ARM: ux500: configure for CW1200 WLAN chip
ARM: ux500: configure in sensors
ARM: u300: u300_defconfig: Enable PARTITION_ADVANCED
ARM: ux500: u8500_defconfig: Enable PARTITION_ADVANCED
ARM: ux500: update defconfig
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Correct renesas,groups in SDHI nodes of for r8a7790 (R-Car H2) based
Lager board.
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Merge tag 'renesas-dt5-for-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes
Fifth Round of Renesas ARM Based SoC DT Updates for v3.15
Correct renesas,groups in SDHI nodes of for r8a7790 (R-Car H2) based
Lager board.
* tag 'renesas-dt5-for-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: lager: correct renesas,gpios to renesas,groups in sd[02] pfc
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- A couple of dts changes for the fallout of imx-drm binding update
- Parent DI clocks to video PLL for better HDMI support
- PCIe interrupt mapping and GIC node fixes
- A series of edmqmx6 board fixes
- Other small and random fixes on imx5 and imx6 dts
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Merge tag 'imx-fixes-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
The i.MX fixes for 3.15:
- A couple of dts changes for the fallout of imx-drm binding update
- Parent DI clocks to video PLL for better HDMI support
- PCIe interrupt mapping and GIC node fixes
- A series of edmqmx6 board fixes
- Other small and random fixes on imx5 and imx6 dts
* tag 'imx-fixes-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: i.MX6: ipu_di_sel clocks can set parent rates
ARM: imx6q: clk: Parent DI clocks to video PLL via di_pre_sel
ARM: dts: imx: add required #clock-cells for fixed-clock
ARM: dts: vybrid: drop address and size cells from GIC node
ARM: dts: imx6sl-evk: Add an entry for MX6SL_PAD_ECSPI1_SS0__GPIO4_IO11
ARM: dts: imx53: fix apparent copy/paste error
ARM: dts: imx6q-gw5xxx: remove dead 'crtcs' property
ARM: dts: imx53-tx53: add IPU DI ports and endpoints
ARM: dts: imx6: edmqmx6: add second STMPE
ARM: dts: imx6: edmqmx6: USB H1 only supports host mode
ARM: dts: imx6: edmqmx6: Do not use the OTG switch as VBUS regulator
ARM: dts: imx6: edmqmx6: Fix usbotg id pin
ARM: dt: microsom: don't set bit 7 for ethernet mux settings
ARM: imx6q-clk: parent lvds_gate from lvds_sel
ARM: dts: imx: drop invalid size and address cells properties
ARM: dts: mx5: fix wrong stmpe-ts bindings
ARM: dts: imx53-m53evk: Fix memory region description
ARM: dts: imx53-qsb-common: Fix memory region description
ARM: dts: imx6: add PCIe interrupt mapping properties
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Commit a7cbe92cef ("ARM: tegra: remove tegra EMC scaling driver")
removed the only user of TEGRA_EMC_SCALING_ENABLE. Remove its Kconfig
entry too.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Few things were out of order:
- removed ARCH_BCM2835 duplicate
- shuffled ARCH_BCM_5301X, ARCH_U8500 and ARCH_U300 around so to keep the
list sorted
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Signed-by: Domenico Andreoli <domenico.andreoli@linux.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
In commit ddb902cc34 (ARM: centralize common multi-platform kconfig
options), CLKSRC_OF was removed from some platforms, but not added to
ARCH_MULTIPLATFORM. Fix this.
Reported-by: Lauri Hintsala <lauri.hintsala@bluegiga.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
I get a build warning because spear_clocksource_init() calls
clocksource_mmio_init(), but it doesn't have an __init annotation.
Fix that.
Signed-off-by: Alex Elder <elder@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
hx4700 needs the same fix as in
9705e74671
"ARM: pxa: fix various compilation problems"
Fix build errors. Initial one is:
/linux/arch/arm/mach-pxa/include/mach/hx4700.h:18:32: error:
'PXA_NR_BUILTIN_GPIO' undeclared here (not in a function)
| #define HX4700_ASIC3_GPIO_BASE PXA_NR_BUILTIN_GPIO
Cc: stable@vger.kernel.org # v3.13+
Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
dcscb_allcpus_mask is an array of size 2.
The index variable cluster has to be checked against this limit
before accessing the array.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Pull ARM fixes from Russell King:
"Various fixes and post-merge window updates. Included here are:
- ensure Kconfig things which should be sorted remain sorted
- fix three big-endian bugs which crept in during the last merge
window
- add the renameat2 syscall
- fix big.LITTLE switcher initialisation checks
- fix kdump vmcore for LPAE kernels"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: add renameat2 syscall
ARM: keep arch/arm/Kconfig and arch/arm/mm/Kconfig select entries sorted
ARM: 8033/1: fix big endian __pv_phys_pfn_offset size related issue
ARM: 8032/1: bL_switcher: fix validation check before its activation
ARM: 8030/1: ARM : kdump : add arch_crash_save_vmcoreinfo
ARM: 8027/1: fix do_div() bug in big-endian systems
ARM: 8026/1: Fix emulation of multiply accumulate instructions
ARM: 8024/1: Keep DEBUG_UART_{PHYS,VIRT} entries sorted
At least the smc91x driver expects the device to be at 0x300
offset from bus base address. This does not work currently
for GPMC when booted in device tree mode as it attempts to
remap the the allocated GPMC partition to the address
configured by the device tree plus the device offset.
Note that this works just fine when booted with legacy mode.
Let's fix the issue by just ignoring any device specific
offset while remapping. And let's make sure the remap
address confirms to the GPMC 16MB minimum granularity
as listed in the TRM for GPMC_CONFIG7 BASEADDRESS bits.
Otherwise we can get something like this:
omap-gpmc 6e000000.gpmc: cannot remap GPMC CS 1 to 0x01000300
Cc: Pekon Gupta <pekon@ti.com>
Reviewed-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
68efd7d2fb("arm: dma-mapping: remove order parameter from
arm_iommu_create_mapping()") is causing kernel panic
because it wrongly sets the value of mapping->size:
Unable to handle kernel NULL pointer dereference at virtual
address 000000a0
pgd = e7a84000
[000000a0] *pgd=00000000
...
PC is at bitmap_clear+0x48/0xd0
LR is at __iommu_remove_mapping+0x130/0x164
Fix it by correcting mapping->size value.
Signed-off-by: Ritesh Harjani <ritesh.harjani@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
s/interrupts-names/interrupt-names/g
s/clocks-names/clock-names/g
Some of the binding files and device tree files get this wrong and the
kernel won't be able to pick it up. Fix them up now so that they don't
get widely used.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by : Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
* Fix the platform data support for the at91 adc driver.
* A couple of related follow up patches get the support working again
for at91sam9260 and at91sam9g45 as the earlier patch results in a device
name change.
* A default timer value in the at91 adc driver was bonkers. Make it sane.
* Fix incorrect reporting of the integration time for the cm32181 light sensor
* Fix a missing break in the ad2s1200 driver which would have give a false
error return.
* Make sure buffer scan mask queries from userspace return 0/1 rather than
a fairly random value depending on their implementation of test_bit
* Fix leak of the i2c client and a null pointer dereference in the cm36651
driver.
* Fix a build warning on avr32 for the mxs-lradc (not exactly a critical
combination - but the issue was real).
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Merge tag 'iio-fixes-for-3.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First found of IIO fixes for the 3.15 cycle.
* Fix the platform data support for the at91 adc driver.
* A couple of related follow up patches get the support working again
for at91sam9260 and at91sam9g45 as the earlier patch results in a device
name change.
* A default timer value in the at91 adc driver was bonkers. Make it sane.
* Fix incorrect reporting of the integration time for the cm32181 light sensor
* Fix a missing break in the ad2s1200 driver which would have give a false
error return.
* Make sure buffer scan mask queries from userspace return 0/1 rather than
a fairly random value depending on their implementation of test_bit
* Fix leak of the i2c client and a null pointer dereference in the cm36651
driver.
* Fix a build warning on avr32 for the mxs-lradc (not exactly a critical
combination - but the issue was real).
Fix e26a9e00af 'ARM: Better
virt_to_page() handling' replaced __pv_phys_offset with
__pv_phys_pfn_offset. Also note that size of __pv_phys_offset
was quad but size of __pv_phys_pfn_offset is word. Instruction
that used to update __pv_phys_offset which address is in r6
had to update low word of __pv_phys_offset so it used #LOW_OFFSET
macro for store offset. Now when size of __pv_phys_pfn_offset is
word, no difference between little endian and big endian should
exist - i.e no offset should be used when __pv_phys_pfn_offset
is stored.
Note that for little endian image proposed change is noop,
since in little endian case #LOW_OFFSET is defined 0 anyway.
Reported-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The switcher should not depend on MAX_CLUSTER to determine ifit should
be activated or not. In a multiplatform kernel binary it is possible to
have dual-cluster and quad-cluster platforms configured in. In that case
MAX_CLUSTER which is a build time limit should be 4 and that shouldn't
prevent the switcher from working if the kernel is booted on a b.L
dual-cluster system.
In bL_switcher_halve_cpus() we already have a runtime validation check
to make sure we're dealing with only two clusters, so booting on a quad
cluster system will be caught and switcher activation aborted.
However, the b.L switcher must ensure the MCPM layer is initialized on
the booted hardware before doing anything. The mcpm_is_available()
function is added to that effect.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Abhilash Kesavan <kesavan.abhilash@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
For vmcore generated by LPAE enabled kernel, user space
utility such as crash needs additional infomation to
parse.
So this patch add arch_crash_save_vmcoreinfo as what PAE enabled
i386 linux does.
Cc: <stable@vger.kernel.org>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Liu Hua <sdu.liu@huawei.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
In big-endian systems, "%1" get the most significant part of the value, cause the instruction to get the wrong result.
When viewing ftrace record in big-endian ARM systems, we found that
the timestamp errors:
swapper-0 [001] 1325.970000: 0:120:R ==> [001] 16:120:R events/1
events/1-16 [001] 1325.970000: 16:120:S ==> [001] 0:120:R swapper
swapper-0 [000] 1325.1000000: 0:120:R + [000] 15:120:R events/0
swapper-0 [000] 1325.1000000: 0:120:R ==> [000] 15:120:R events/0
swapper-0 [000] 1326.030000: 0:120:R + [000] 1150:120:R sshd
swapper-0 [000] 1326.030000: 0:120:R ==> [000] 1150:120:R sshd
When viewed ftrace records, it will call the do_div(n, base) function, which achieved arch/arm/include/asm/div64.h in. When n = 10000000, base = 1000000, in do_div(n, base) will execute "umull %Q0, %R0, %1, %Q2".
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Reviewed-by: Nicolas Pitre <nico@linaro.org>
Cc: <stable@vger.kernel.org> # 2.6.20+
Signed-off-by: Alex Wu <wuquanming@huawei.com>
Signed-off-by: Xiangyu Lu <luxiangyu@huawei.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
File-private locks have been merged into Linux for v3.15, and *now*
people are commenting that the name and macro definitions for the new
file-private locks suck.
...and I can't even disagree. The names and command macros do suck.
We're going to have to live with these for a long time, so it's
important that we be happy with the names before we're stuck with them.
The consensus on the lists so far is that they should be rechristened as
"open file description locks".
The name isn't a big deal for the kernel, but the command macros are not
visually distinct enough from the traditional POSIX lock macros. The
glibc and documentation folks are recommending that we change them to
look like F_OFD_{GETLK|SETLK|SETLKW}. That lessens the chance that a
programmer will typo one of the commands wrong, and also makes it easier
to spot this difference when reading code.
This patch makes the following changes that I think are necessary before
v3.15 ships:
1) rename the command macros to their new names. These end up in the uapi
headers and so are part of the external-facing API. It turns out that
glibc doesn't actually use the fcntl.h uapi header, but it's hard to
be sure that something else won't. Changing it now is safest.
2) make the the /proc/locks output display these as type "OFDLCK"
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Carlos O'Donell <carlos@redhat.com>
Cc: Stefan Metzmacher <metze@samba.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Frank Filz <ffilzlnx@mindspring.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Specify the 'clock-latency' property to avoid certain cpufreq governors
from refusing to work with the following error:
ondemand governor failed, too long transition latency of HW, fallback to performance governor
Reported-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Tested-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
