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687 Commits

Author SHA1 Message Date
Olof Johansson
0f600f40d7 Merge tag 'tegra-for-3.8-fixes-for-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into fixes
ARM: tegra: fixes for 3.8

This branch contains a few miscellaneous fixes that have shown up in the
last few weeks.

By Sivaram Nair (2) and Hiroshi Doyu (1)
via Stephen Warren
* tag 'tegra-for-3.8-fixes-for-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  amba: tegra-ahb: Fix warning w/o PM_SLEEP
  ARM: tegra: fix comment in dsib clk set_parent
  ARM: tegra: select correct parent clk for pll_p

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-12-17 10:04:27 -08:00
Linus Torvalds
a2013a13e6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial branch from Jiri Kosina:
 "Usual stuff -- comment/printk typo fixes, documentation updates, dead
  code elimination."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits)
  HOWTO: fix double words typo
  x86 mtrr: fix comment typo in mtrr_bp_init
  propagate name change to comments in kernel source
  doc: Update the name of profiling based on sysfs
  treewide: Fix typos in various drivers
  treewide: Fix typos in various Kconfig
  wireless: mwifiex: Fix typo in wireless/mwifiex driver
  messages: i2o: Fix typo in messages/i2o
  scripts/kernel-doc: check that non-void fcts describe their return value
  Kernel-doc: Convention: Use a "Return" section to describe return values
  radeon: Fix typo and copy/paste error in comments
  doc: Remove unnecessary declarations from Documentation/accounting/getdelays.c
  various: Fix spelling of "asynchronous" in comments.
  Fix misspellings of "whether" in comments.
  eisa: Fix spelling of "asynchronous".
  various: Fix spelling of "registered" in comments.
  doc: fix quite a few typos within Documentation
  target: iscsi: fix comment typos in target/iscsi drivers
  treewide: fix typo of "suport" in various comments and Kconfig
  treewide: fix typo of "suppport" in various comments
  ...
2012-12-13 12:00:02 -08:00
Linus Torvalds
b8edf848e9 ARM: arm-soc: multiplatform conversion patches
Here are more patches in the progression towards multiplatform, sparse
 irq conversions in particular.
 
 Tegra has a handful of cleanups and general groundwork, but is
 not quite there yet on full enablement.
 
 Platforms that are enabled through this branch are VT8500 and Zynq. note
 that i.MX was converted in one of the earlier cleanup branches as
 well (before we started a separate topic for multiplatform). And both
 new platforms for this merge window, sunxi and bcm, were merged with
 multiplatform support enabled.
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Merge tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC multiplatform conversion patches from Olof Johansson:
 "Here are more patches in the progression towards multiplatform, sparse
  irq conversions in particular.

  Tegra has a handful of cleanups and general groundwork, but is not
  quite there yet on full enablement.

  Platforms that are enabled through this branch are VT8500 and Zynq.
  Note that i.MX was converted in one of the earlier cleanup branches as
  well (before we started a separate topic for multiplatform).  And both
  new platforms for this merge window, sunxi and bcm, were merged with
  multiplatform support enabled."

Fix up conflicts mostly as per Olof.

* tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
  ARM: zynq: Remove all unused mach headers
  ARM: zynq: add support for ARCH_MULTIPLATFORM
  ARM: zynq: make use of debug_ll_io_init()
  ARM: zynq: remove TTC early mapping
  ARM: tegra: move debug-macro.S to include/debug
  ARM: tegra: don't include iomap.h from debug-macro.S
  ARM: tegra: decouple uncompress.h and debug-macro.S
  ARM: tegra: simplify DEBUG_LL UART selection options
  ARM: tegra: select SPARSE_IRQ
  ARM: tegra: enhance timer.c to get IO address from device tree
  ARM: tegra: enhance timer.c to get IRQ info from device tree
  ARM: timer: fix checkpatch warnings
  ARM: tegra: add TWD to device tree
  ARM: tegra: define DT bindings for and instantiate RTC
  ARM: tegra: define DT bindings for and instantiate timer
  clocksource/mtu-nomadik: use apb_pclk
  clk: ux500: Register mtu apb_pclocks
  ARM: plat-nomadik: convert platforms to SPARSE_IRQ
  mfd/db8500-prcmu: use the irq_domain_add_simple()
  mfd/ab8500-core: use irq_domain_add_simple()
  ...
2012-12-13 10:57:16 -08:00
Masanari Iida
e41e85cc17 treewide: Fix typos in various Kconfig
Correct spelling typo within various Kconfig.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-12-03 11:03:56 +01:00
Sivaram Nair
6e25e1b178 ARM: tegra: fix comment in dsib clk set_parent
Since the clk framework has already taken necessary locks before calling
into the arch clk ops code, no further locks are needed while setting
the parent of dsib clk. This patch removes a comment that indicated
otherwise, and yet did not take any locks.

Signed-off-by: Sivaram Nair <sivaramn@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-26 13:44:04 -07:00
Sivaram Nair
6eb583da95 ARM: tegra: select correct parent clk for pll_p
For Tegra30, pll_p clk's parent is wrongly specified as clk_m instead of
pll_ref in the tegra30_clk_init_table and this is resulting in a
boot-time warning. This patch fixes this by correcting the clk init
table.

Signed-off-by: Sivaram Nair <sivaramn@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-26 13:43:41 -07:00
Stephen Warren
4606780352 ARM: tegra: move debug-macro.S to include/debug
Move Tegra's debug-macro.S over to the common debug macro directory.

Move Tegra's debug UART selection menu into ARM's Kconfig.debug, so that
all related options are selected in the same place.

Tegra's uncompress.h is left in mach-tegra/include/mach; it will be
removed whenever Tegra is converted to multi-platform.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16 12:22:18 -07:00
Stephen Warren
7a28106509 ARM: tegra: don't include iomap.h from debug-macro.S
In order to move Tegra's debug-macro.S to a common location for single
zImage, it must not rely on any machine-specific header files such as
<mach/iomap.h>. Duplicate the few physical address definitions that
debug-macro.S relies upon directly into the file.

To avoid tegra_io_desc[] requiring shared knowledge of the UART
mapping's virtual address, use a virtual address outside the ranges
in tegra_io_desc[]. Call debug_ll_io_init() to propagate the mapping
beyond the early pages tables.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16 12:22:17 -07:00
Stephen Warren
1a6d3da8bc ARM: tegra: decouple uncompress.h and debug-macro.S
Prior to this change, Tegra's debug-macro.S relied on uncompress.h having
determined which UART to use, and whether it was safe to use the UART
(i.e. is it not in reset, and is clocked). This determination was
communicated from uncompress.h to debug-macro.S using a few bytes of
Tegra's IRAM (an on-SoC RAM). This had the disadvantage that uncompress.h
was a required part of the kernel boot process; booting a non-compressed
kernel would not allow earlyprintk to operate.

This change duplicates the UART selection and validation logic into
debug-macro.S so that the reliance on uncompress.h is removed.

This also helps out with single-zImage work, since there is currently no
support for using any uncompress.h with single-zImage.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16 12:22:17 -07:00
Stephen Warren
adc1831588 ARM: tegra: simplify DEBUG_LL UART selection options
Delete CONFIG_TEGRA_DEBUG_UART_AUTO_SCRATCH; it's not useful any more:
* No upstream bootloader currently or will ever support this option.
* CONFIG_TEGRA_DEBUG_UART_AUTO_ODMDATA is a much more direct alternative.

Merge the fixed and automatic UART selection menus into a single choice
for simplicity; now you either pick AUTO_ODMDATA or a single fixed UART,
rather than potentially having an AUTO option override whatever fixed
option was chosen.

Remove TEGRA_DEBUG_UART_NONE; if you don't want a Tegra DEBUG_LL UART,
simply don't turn on DEBUG_LL. NONE used to be the default option, so
pick AUTO_ODMDATA as the new default.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16 12:22:17 -07:00
Stephen Warren
c5a4d6b07a ARM: tegra: select SPARSE_IRQ
SPARSE_IRQ is required for single zImage support.

With this enabled, we can delete <mach/irqs.h>. This requires removing
one unnecessary include of that file, and hard-coding the PCIe IRQ into
the PCIe driver. This is a hack that will be dealt with as part of
converting the PCIe driver into a true DT-supporting driver.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16 12:22:17 -07:00
Stephen Warren
3a04931e3b ARM: tegra: enhance timer.c to get IO address from device tree
Modify Tegra's timer code to parse the IO address from device tree,
hence removing the dependency on <mach/iomap.h>. This will allow the
driver to be moved to drivers/clocksource/.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16 12:22:17 -07:00
Stephen Warren
56415480e9 ARM: tegra: enhance timer.c to get IRQ info from device tree
Modify Tegra's timer code to parse the Tegra timer IRQ from device tree,
and to instantiate the TWD from device tree, rather than relying on hard-
coded values from <mach/irqs.h>.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16 12:22:16 -07:00
Stephen Warren
58664f9052 ARM: timer: fix checkpatch warnings
This prevents checkpatch complaining when this file is moved in a later
patch.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16 12:22:16 -07:00
Joseph Lo
29a0e7beab ARM: tegra: retain L2 content over CPU suspend/resume
The L2 RAM is in different power domain from the CPU cluster. So the
L2 content can be retained over CPU suspend/resume. To do that, we
need to disable L2 after the MMU is disabled, and enable L2 before
the MMU is enabled. But the L2 controller is in the same power domain
with the CPU cluster. We need to restore it's settings and re-enable
it after the power be resumed.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:22 -07:00
Joseph Lo
d552920a02 ARM: tegra30: cpuidle: add powered-down state for CPU0
This is a power gating idle mode. It support power gating vdd_cpu rail
after all cpu cores in "powered-down" status. For Tegra30, the CPU0 can
enter this state only when all secondary CPU is offline. We need to take
care and make sure whole secondary CPUs were offline and checking the
CPU power gate status. After that, the CPU0 can go into "powered-down"
state safely. Then shut off the CPU rail.

Be aware of that, you may see the legacy power state "LP2" in the code
which is exactly the same meaning of "CPU power down".

Base on the work by:
Scott Williams <scwilliams@nvidia.com>

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:22 -07:00
Joseph Lo
01459c69dd ARM: tegra30: flowctrl: add cpu_suspend_exter/exit function
The flow controller can help CPU to go into suspend mode (powered-down
state). When CPU go into powered-down state, it needs some careful
settings before getting into and after leaving. The enter and exit
functions do that by configuring appropriate mode for flow controller.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:21 -07:00
Joseph Lo
a6e293eef2 ARM: tegra30: clocks: add CPU low-power function into tegra_cpu_car_ops
Add suspend, resume and rail_off_ready API into tegra_cpu_car_ops. These
functions were used for CPU powered-down state maintenance. One thing
needs to notice the rail_off_ready API only availalbe for cpu_g cluster
not cpu_lp cluster.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:21 -07:00
Joseph Lo
fe508d7769 ARM: tegra30: common: enable csite clock
Enable csite (debug and trace controller) clock at init to prevent it
be disabled. And this also the necessary clock for CPU be brought up or
resumed from a power-gating low power state.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:21 -07:00
Joseph Lo
d457ef358f ARM: tegra30: cpuidle: add powered-down state for secondary CPUs
This supports power-gated idle on secondary CPUs for Tegra30. The
secondary CPUs can go into powered-down state independently. When
CPU goes into this state, it saves it's contexts and puts itself
to flow controlled WFI state. After that, it will been power gated.

Be aware of that, you may see the legacy power state "LP2" in the
code which is exactly the same meaning of "CPU power down".

Based on the work by:
Scott Williams <scwilliams@nvidia.com>

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:21 -07:00
Joseph Lo
d3f293656c ARM: tegra: cpuidle: add CPU resume function
The CPU suspending on Tegra means CPU power gating. We add a resume
function for taking care the CPUs that resume from power gating status.
This function was been hooked to the reset handler. We take care
everything here before go into kernel.

Be aware of that, you may see the legacy power status "LP2" in the code
which is exactly the same meaning of "CPU power down".

Based on the work by:
Scott Williams <scwilliams@nvidia.com>
Colin Cross <ccross@android.com>
Gary King <gking@nvidia.com>

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:21 -07:00
Joseph Lo
0b25e25bef ARM: tegra: cpuidle: separate cpuidle driver for different chips
The different Tegra chips may have different CPU idle states and data.
Individual CPU idle driver make it more easy to maintain.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:20 -07:00
Joseph Lo
641b4ef8f1 ARM: tegra: rename the file of "sleep-tXX" to "sleep-tegraXX"
For the naming consistency under the mach-tegra, we re-name the file of
"sleep-tXX" to "sleep-tegraXX" (e.g., sleep-t30 to sleep-tegra30).

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:09:01 -07:00
Joseph Lo
d5db9a4422 ARM: tegra: cpuidle: replace LP3 with ARM_CPUIDLE_WFI_STATE
The Tegra CPU idle LP3 state is doing ARM WFI only. So it's same with
the common ARM_CPUIDLE_WFI_STATE. Using it to replace LP3 now.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 15:08:28 -07:00
Thierry Reding
d1d3b978f6 ARM: tegra: Add Tegra30 host1x clock support
Setup the clock parents for the two display controllers and HDMI.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 14:46:29 -07:00
Thierry Reding
2acc1fc282 ARM: tegra: Add AUXDATA for Tegra30 host1x
Add the OF_DEV_AUXDATA table entries required to associate the proper
names with host1x and its children. In turn, this allows the devices to
find the required clocks.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 14:46:28 -07:00
Thierry Reding
5f10778370 ARM: tegra: Add Tegra20 host1x clock support
Extend the pll_d frequency table with a few entries to support common
HDMI and LVDS display modes and setup the clock parents for the two
display controllers and HDMI.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 14:46:26 -07:00
Thierry Reding
35de7bfe91 ARM: tegra: Add AUXDATA for Tegra20 host1x
Add the OF_DEV_AUXDATA table entries required to associate the proper
names with host1x and its children. In turn, this allows the devices to
find the required clocks.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 14:46:23 -07:00
Danny Huang
f8ddda713b ARM: tegra: Tegra30 speedo-based process identification
This patch adds speedo-based process identification support for Tegra30.

Signed-off-by: Danny Huang <dahuang@nvidia.com>
[swarren s/Tegra3/Tegra30/ in log print,
s/T30/Tegra30/ in commit description]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 14:36:59 -07:00
Danny Huang
25cd5a3914 ARM: tegra: Add speedo-based process identification
Detect CPU and core process ID by checking speedo corner tables.
This can provide a more accurate process ID.

Signed-off-by: Danny Huang <dahuang@nvidia.com>
[swarren s/Tegra2/Tegra20/ in log print]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 14:34:20 -07:00
Danny Huang
1f851a262b ARM: tegra: flexible spare fuse read function
Change the spare fuse base from a definition to a variable.
It provides flexibilty to read spare fuse on different chip.

Signed-off-by: Danny Huang <dahuang@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 14:16:46 -07:00
Peter De Schrijver
fd072a86bd ARM: tegra: Implement 6395/1 for Tegra
This patch implements ARM linux patch 6395/1 for Tegra. See commit
1a8e41c "ARM: 6395/1: VExpress: Set bit 22 in the PL310 (cache
controller) AuxCtlr register" for details.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
[swarren: added commit subject for referenced patch]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-14 13:30:06 -07:00
Laxman Dewangan
e245f54a06 ARM: tegra: Add OF_DEV_AUXDATA for sflash driver in board dt
Add OF_DEV_AUXDATA for sflash controller driver for Tegra20
board dt files.
Set the parent clock of sflash controller to PLLP and configure
clock to 20MHz.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-13 11:42:39 -07:00
Joseph Lo
ca3d241cb2 ARM: tegra: enable data prefetch on L2
Enable the data prefetch on L2. The bit28 in aux ctrl register.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
2012-11-09 14:58:40 -07:00
Laxman Dewangan
ffa05e450c ARM: tegra: Add OF_DEV_AUXDATA for SLINK driver in board dt
Add OF_DEV_AUXDATA for slink driver for Tegra20 and Tegra30
board dt files.
Set the parent clock of slink controller to PLLP and configure
clock to 100MHz.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05 11:36:23 -07:00
Joseph Lo
d065ab7189 ARM: tegra: common: using OF api for L2 cache init
Moving L2 cache init to DT support.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05 11:36:23 -07:00
Joseph Lo
d534b5d4a5 ARM: tegra30: clocks: add AHB and APB clocks
Adding the AHB and APB bus clock for Tegra30.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05 11:36:22 -07:00
Wei Ni
25804d8123 ARM: tegra: set up wlan clocks for tegra dt
Set up the wlan clock tree for Tegra20 and Tegra30.

Signed-off-by: Wei Ni <wni@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05 11:36:22 -07:00
Stephen Warren
bb1de8877c ARM: tegra: move irammap.h to mach-tegra
Nothing outside mach-tegra uses this file, so there's no need for it to
be in <mach/>.

Since uncompress.h and debug-macro.S remain in include/mach, they need
to include "../../irammap.h" becaue of this change. Both these usages
will be removed shortly, when Tegra's DEBUG_LL implementation is updated
not to pass information through IRAM.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05 11:36:06 -07:00
Stephen Warren
2be39c079d ARM: tegra: move iomap.h to mach-tegra
Nothing outside mach-tegra uses this file, so there's no need for it to
be in <mach/>.

Since uncompress.h and debug-macro.S remain in include/mach, they need
to include "../../iomap.h" becaue of this change. uncompress.h will soon
be deleted in later multi-platform/single-zImage patches. debug-macro.S
will need to continue to include this header using an explicit relative
path, to avoid duplicating the physical->virtual address mapping that
iomap.h dictates.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05 11:36:06 -07:00
Stephen Warren
8a5d51fda0 ARM: tegra: remove <mach/dma.h>
Remove includes of <mach/dma.h> from sound/soc; nothing from it is used.

Remove include of <mach/dma.h> from mach-tegra/apbio.c; since the DMA
transfers made by this file don't need flow-control with any peripheral,
there's no need to set any slave ID.

Once those changes are made, there are no remaining users of <mach/dma.h>
so remove it. Drivers should get this information from device tree. This
removal is necessary for single zImage.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-11-05 11:36:06 -07:00
Stephen Warren
cc95e347cb ARM: tegra: move tegra-ahb.h out of arch/arm/mach-tegra/
We wish to empty arch/arm/mach-tegra/include/mach/ as much as possible
to enable single zImage. Move tegra-ahb.h to a more central location
(suggested by Arnd, OK'd by Greg KH), and actually make tegra-ahb.c
include the header to ensure client and provider agree on the prototype.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05 11:36:06 -07:00
Stephen Warren
a25186eb03 ARM: tegra: remove unnecessary includes of <mach/*.h>
This should make it easier to delete or move <mach/*.h>; something that
is useful for single-zImage.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05 11:36:05 -07:00
Sivaram Nair
bf88ef8835 ARM: tegra: add tegra_timer clock
This undoes commit 20f4665 "ARM: tegra: remove tegra_timer from
tegra_list_clks" by bringing back the tegra_timer clock. tegra_timer is
indeed a clock (hidden by the PERIPH_CLK macro) which should be added
to the tegra_list_clks.

The above commit caused tegra_init_timer() failing to get the clk
reference.

Signed-off-by: Sivaram Nair <sivaramn@nvidia.com>
[swarren: added the reverted commit's subject to this patch description]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-10-16 11:15:05 -06:00
Sivaram Nair
f2ef412d58 ARM: tegra: rename tegra system timer
The timer variable is renamed to avoid confusion and symbol name clash
with the tegra_timer clock.

Signed-off-by: Sivaram Nair <sivaramn@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-10-16 11:14:40 -06:00
Mark Zhang
786621308c ARM: tegra30: clk: Fix output_rate overflow
Change the type of variable from "unsigned long" to "u64".
This avoids the overflow while clock rate calculating.

Signed-off-by: Mark Zhang <markz@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-10-16 11:14:34 -06:00
Russell King
b1b3f49ce4 ARM: config: sort select statements alphanumerically
As suggested by Andrew Morton:

  This is a pet peeve of mine.  Any time there's a long list of items
  (header file inclusions, kconfig entries, array initalisers, etc) and
  someone wants to add a new item, they *always* go and stick it at the
  end of the list.

  Guys, don't do this.  Either put the new item into a randomly-chosen
  position or, probably better, alphanumerically sort the list.

lets sort all our select statements alphanumerically.  This commit was
created by the following perl:

while (<>) {
	while (/\\\s*$/) {
		$_ .= <>;
	}
	undef %selects if /^\s*config\s+/;
	if (/^\s+select\s+(\w+).*/) {
		if (defined($selects{$1})) {
			if ($selects{$1} eq $_) {
				print STDERR "Warning: removing duplicated $1 entry\n";
			} else {
				print STDERR "Error: $1 differently selected\n".
					"\tOld: $selects{$1}\n".
					"\tNew: $_\n";
				exit 1;
			}
		}
		$selects{$1} = $_;
		next;
	}
	if (%selects and (/^\s*$/ or /^\s+help/ or /^\s+---help---/ or
			  /^endif/ or /^endchoice/)) {
		foreach $k (sort (keys %selects)) {
			print "$selects{$k}";
		}
		undef %selects;
	}
	print;
}
if (%selects) {
	foreach $k (sort (keys %selects)) {
		print "$selects{$k}";
	}
}

It found two duplicates:

Warning: removing duplicated S5P_SETUP_MIPIPHY entry
Warning: removing duplicated HARDIRQS_SW_RESEND entry

and they are identical duplicates, hence the shrinkage in the diffstat
of two lines.

We have four testers reporting success of this change (Tony, Stephen,
Linus and Sekhar.)

Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-10-13 17:11:28 +01:00
Linus Torvalds
da06a8d7be ARM: SoC fixes
A series of fixes (and in some cases, some cleanups):
 
 Via Tony Lindgren:
 - A collection of OMAP regression fixes, in particular because firmware
   no longer sets up all pin states before starting the kernel.
 - cpufreq fixes for OMAP (Rafael is on vacation and this was pre-agreed).
 - A longer series of misc regression fixes and cleanups, warning removals,
   etc for OMAP
 
 From Arnd Bergmann:
 - A series of warning fixes for various platforms (defconfig builds)
 
 Misc:
 - A couple of tegra fixes, one for i.MX, some vt8500 fixes, etc.
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A series of fixes (and in some cases, some cleanups):

  Via Tony Lindgren:
   - A collection of OMAP regression fixes, in particular because
     firmware no longer sets up all pin states before starting the
     kernel.
   - cpufreq fixes for OMAP (Rafael is on vacation and this was
     pre-agreed).
   - A longer series of misc regression fixes and cleanups, warning
     removals, etc for OMAP

  From Arnd Bergmann:
   - A series of warning fixes for various platforms (defconfig builds)

  Misc:
   - A couple of tegra fixes, one for i.MX, some vt8500 fixes, etc."

* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (73 commits)
  ARM: pxa: armcore: fix PCI PIO warnings
  ARM: integrator: use __iomem pointers for MMIO, part 2
  ARM: assabet: fix bogus warning in get_assabet_scr (again)
  ARM: shmobile: mark shmobile_init_late as __init
  ARM: integrator_cp: fix build failure
  ARM: OMAP4/AM335x: hwmod: fix disable_module regression in hardreset handling
  ARM: OMAP3: fix workaround for EMU clockdomain
  arm/omap: Replace board_ref_clock with enum values
  ARM: OMAP2+: remove duplicated include from board-omap3stalker.c
  arch/arm/plat-omap/omap-pm-noop.c: Remove unecessary semicolon
  arch/arm/mach-omap2: Remove unecessary semicolon
  arch/arm/mach-omap1/devices.c: Remove unecessary semicolon
  ARM/dts: omap5-evm: pinmux configuration for audio
  ARM/dts: Add pinctrl driver entries for omap5
  ARM/dts: omap4-panda: pinmux configuration for audio
  ARM/dts: omap4-sdp: pinmux configuration for audio
  ARM/dts: omap5-evm: Disable unused McBSP3
  ARM/dts: omap4-sdp: Disable unused McBSP3
  ARM/dts: omap4-panda: Disable unused audio IPs
  ARM: OMAP: board-omap4panda: Pin mux configuration for audio needs
  ...
2012-10-11 10:21:48 +09:00
Linus Torvalds
f5a246eab9 Sound updates for 3.7-rc1
This contains pretty many small commits covering fairly large range of
 files in sound/ directory.  Partly because of additional API support
 and partly because of constantly developed ASoC and ARM stuff.
 
 Some highlights:
 
 - Introduced the helper function and documentation for exposing the
   channel map via control API, as discussed in Plumbers; most of PCI
   drivers are covered, will follow more drivers later
 
 - Most of drivers have been replaced with the new PM callbacks (if
   the bus is supported)
 
 - HD-audio controller got the support of runtime PM and the support of
   D3 clock-stop.  Also changing the power_save option in sysfs kicks
   off immediately to enable / disable the power-save mode.
 
 - Another significant code change in HD-audio is the rewrite of
   firmware loading code.  Other than that, most of changes in HD-audio
   are continued cleanups and standardization for the generic auto
   parser and bug fixes (HBR, device-specific fixups), in addition to
   the support of channel-map API.
 
 - Addition of ASoC bindings for the compressed API, used by the
   mid-x86 drivers.
 
 - Lots of cleanups and API refreshes for ASoC codec drivers and
   DaVinci.
 
 - Conversion of OMAP to dmaengine.
 
 - New machine driver for Wolfson Microelectronics Bells.
 
 - New CODEC driver for Wolfson Microelectronics WM0010.
 
 - Enhancements to the ux500 and wm2000 drivers
 
 - A new driver for DA9055 and the support for regulator bypass mode.
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Merge tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "This contains pretty many small commits covering fairly large range of
  files in sound/ directory.  Partly because of additional API support
  and partly because of constantly developed ASoC and ARM stuff.

  Some highlights:

   - Introduced the helper function and documentation for exposing the
     channel map via control API, as discussed in Plumbers; most of PCI
     drivers are covered, will follow more drivers later

   - Most of drivers have been replaced with the new PM callbacks (if
     the bus is supported)

   - HD-audio controller got the support of runtime PM and the support
     of D3 clock-stop.  Also changing the power_save option in sysfs
     kicks off immediately to enable / disable the power-save mode.

   - Another significant code change in HD-audio is the rewrite of
     firmware loading code.  Other than that, most of changes in
     HD-audio are continued cleanups and standardization for the generic
     auto parser and bug fixes (HBR, device-specific fixups), in
     addition to the support of channel-map API.

   - Addition of ASoC bindings for the compressed API, used by the
     mid-x86 drivers.

   - Lots of cleanups and API refreshes for ASoC codec drivers and
     DaVinci.

   - Conversion of OMAP to dmaengine.

   - New machine driver for Wolfson Microelectronics Bells.

   - New CODEC driver for Wolfson Microelectronics WM0010.

   - Enhancements to the ux500 and wm2000 drivers

   - A new driver for DA9055 and the support for regulator bypass mode."

Fix up various arm soc header file reorg conflicts.

* tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (339 commits)
  ALSA: hda - Add new codec ALC283 ALC290 support
  ALSA: hda - avoid unneccesary indices on "Headphone Jack" controls
  ALSA: hda - fix indices on boost volume on Conexant
  ALSA: aloop - add locking to timer access
  ALSA: hda - Fix hang caused by race during suspend.
  sound: Remove unnecessary semicolon
  ALSA: hda/realtek - Fix detection of ALC271X codec
  ALSA: hda - Add inverted internal mic quirk for Lenovo IdeaPad U310
  ALSA: hda - make Realtek/Sigmatel/Conexant use the generic unsol event
  ALSA: hda - make a generic unsol event handler
  ASoC: codecs: Add DA9055 codec driver
  ASoC: eukrea-tlv320: Convert it to platform driver
  ALSA: ASoC: add DT bindings for CS4271
  ASoC: wm_hubs: Ensure volume updates are handled during class W startup
  ASoC: wm5110: Adding missing volume update bits
  ASoC: wm5110: Add OUT3R support
  ASoC: wm5110: Add AEC loopback support
  ASoC: wm5110: Rename EPOUT to HPOUT3
  ASoC: arizona: Add more clock rates
  ASoC: arizona: Add more DSP options for mixer input muxes
  ...
2012-10-09 07:07:14 +09:00
Linus Torvalds
c0703c12ef IOMMU Updates for Linux v3.7-rc1
This time the IOMMU updates contain a bunch of fixes and cleanups to
 various IOMMU drivers and the DMA debug code. New features are the
 code for IRQ remapping support with the AMD IOMMU (preperation for that
 was already merged in the last release) and a debugfs interface to
 export some statistics in the NVidia Tegra IOMMU driver.
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Merge tag 'iommu-updates-v3.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU updates from Joerg Roedel:
 "This time the IOMMU updates contain a bunch of fixes and cleanups to
  various IOMMU drivers and the DMA debug code.  New features are the
  code for IRQ remapping support with the AMD IOMMU (preperation for
  that was already merged in the last release) and a debugfs interface
  to export some statistics in the NVidia Tegra IOMMU driver."

* tag 'iommu-updates-v3.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (27 commits)
  iommu/amd: Remove obsolete comment line
  dma-debug: Remove local BUS_NOTIFY_UNBOUND_DRIVER define
  iommu/amd: Fix possible use after free in get_irq_table()
  iommu/amd: Report irq remapping through IOMMU-API
  iommu/amd: Print message to system log when irq remapping is enabled
  iommu/irq: Use amd_iommu_irq_ops if supported
  iommu/amd: Make sure irq remapping still works on dma init failure
  iommu/amd: Add initialization routines for AMD interrupt remapping
  iommu/amd: Add call-back routine for HPET MSI
  iommu/amd: Implement MSI routines for interrupt remapping
  iommu/amd: Add IOAPIC remapping routines
  iommu/amd: Add routines to manage irq remapping tables
  iommu/amd: Add IRTE invalidation routine
  iommu/amd: Make sure IOMMU is not considered to translate itself
  iommu/amd: Split device table initialization into irq and dma part
  iommu/amd: Check if IOAPIC information is correct
  iommu/amd: Allocate data structures to keep track of irq remapping tables
  iommu/amd: Add slab-cache for irq remapping tables
  iommu/amd: Keep track of HPET and IOAPIC device ids
  iommu/amd: Fix features reporting
  ...
2012-10-08 06:33:44 +09:00