pandora-kernel.git
11 years agoLinux-omap rebuilt: Updated with pending branches for v3.16 merge window
Tony Lindgren [Tue, 20 May 2014 00:38:58 +0000 (17:38 -0700)]
Linux-omap rebuilt: Updated with pending branches for v3.16 merge window

$ git checkout -b tmp-rebuild-1400546331 linus
$ git merge -m "Merge omap-for-v3.16/tmp-merge-2014-05-19" omap-for-v3.16/tmp-merge-2014-05-19
$ git merge -s ours master
$ git checkout master
$ git merge tmp-rebuild-1400546331

To view the changes since the last rebuild, please do
$ git diff 7f449094241c2fae88c78f0c6db528233ec1fca0..35567d93640cfb31f6dbaf5375c59fe91acb785f arch/arm/*omap*/

11 years agoMerge tag 'omap-for-v3.16/dt-part2-v2' into omap-for-v3.16/tmp-merge-2014-05-19
Tony Lindgren [Tue, 20 May 2014 00:24:45 +0000 (17:24 -0700)]
Merge tag 'omap-for-v3.16/dt-part2-v2' into omap-for-v3.16/tmp-merge-2014-05-19

Device tree related changes for omaps.

Conflicts:
include/dt-bindings/pinctrl/omap.h

11 years agoARM: dts: Enable mcpdm and mcbsp1 on DuoVero omap-for-v3.16/dt-part2-v2
Joachim Eastwood [Sat, 17 May 2014 12:07:00 +0000 (14:07 +0200)]
ARM: dts: Enable mcpdm and mcbsp1 on DuoVero

Since commit 7adb0933b18debef3 (ARM: dts: omap4: Set all audio related
IP's status to disabled as default) all audio related device are
disabled by default. Most boards were updated to enable devices
explicitly, but DuoVero was missed.

mcpdm is used for twl6040 and mcbsp1 is used for BlueTooth audio.

Cc: florian.vaussard@epfl.ch
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: Convert DuoVero Parlor to use IOPAD macro
Joachim Eastwood [Sat, 17 May 2014 12:06:59 +0000 (14:06 +0200)]
ARM: dts: Convert DuoVero Parlor to use IOPAD macro

Conversion done by following awk script.
/0x[0-9a-f]{1,3} \(PIN/ {
offset = sprintf("OMAP4_IOPAD(0x%03x, ", strtonum($1) + 64)
sub(/0x[0-9a-f]{1,3} \(/, offset, $0)
print $0
next
}
{ print $0 }

Cc: florian.vaussard@epfl.ch
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: am43xx: fix starting offset of NAND.filesystem MTD partition
Pekon Gupta [Mon, 19 May 2014 09:15:48 +0000 (14:45 +0530)]
ARM: dts: am43xx: fix starting offset of NAND.filesystem MTD partition

MTD NAND partition for file-system should start at offset=0xA00000

Signed-off-by: Pekon Gupta <pekon@ti.com>
Reviewed-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: dra7: add support for parallel NAND flash
Minal Shah [Mon, 19 May 2014 09:15:47 +0000 (14:45 +0530)]
ARM: dts: dra7: add support for parallel NAND flash

DRA7xx platform has in-build GPMC and ELM h/w engines which can be used
for accessing externel NAND flash device. This patch:
- adds generic DT binding in dra7.dtsi for enabling GPMC and ELM h/w engines
- adds DT binding for Micron NAND Flash (MT29F2G16AADWP) present on dra7-evm
*Important*
On DRA7 EVM, GPMC_WPN and NAND_BOOTn are controlled by DIP switch
So following board settings are required for NAND device detection:
SW5.9 (GPMC_WPN) = LOW
SW5.1 (NAND_BOOTn) = HIGH

Signed-off-by: Minal Shah <minalkshah@gmail.com>
Signed-off-by: Pekon Gupta <pekon@ti.com>
Reviewed-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: am437x-gp-evm: Add ethernet support for GP EVM
Mugunthan V N [Tue, 13 May 2014 08:44:31 +0000 (14:14 +0530)]
ARM: dts: am437x-gp-evm: Add ethernet support for GP EVM

Add CPSW ethernet support for AM437x GP EVM which has one slave pinned out

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: am4372: Add cpsw phy sel dt node
Mugunthan V N [Tue, 13 May 2014 08:44:30 +0000 (14:14 +0530)]
ARM: dts: am4372: Add cpsw phy sel dt node

Add cpsw phy sel device tree node for selecting phy mode in control module

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP2+: Use pdata quirks for wl12xx on VAR-STK/DVK-OM44
Joachim Eastwood [Mon, 12 May 2014 18:32:03 +0000 (20:32 +0200)]
ARM: OMAP2+: Use pdata quirks for wl12xx on VAR-STK/DVK-OM44

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: Add VAR-SOM-OM44 WLAN nodes
Joachim Eastwood [Mon, 12 May 2014 18:32:02 +0000 (20:32 +0200)]
ARM: dts: Add VAR-SOM-OM44 WLAN nodes

Both the VAR-STK-OM44 and VAR-DVK-OM44 boards comes with the
WLAN/BT version of the system on module VAR-SOM-OM44.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: Add support for OMAP4 VAR-DVK-OM44
Joachim Eastwood [Mon, 12 May 2014 18:32:01 +0000 (20:32 +0200)]
ARM: dts: Add support for OMAP4 VAR-DVK-OM44

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: Add support for OMAP4 Variscite OM44 family
Joachim Eastwood [Mon, 12 May 2014 18:32:00 +0000 (20:32 +0200)]
ARM: dts: Add support for OMAP4 Variscite OM44 family

Add support for VAR-SOM-OM44[1] SODIMM system on module from
Variscite. SoM features a OMAP4460, 1GB RAM, Gigabit Ethernet
(LAN7500) and optional WLAN/BT.

Also add support for VAR-STK-OM44 development board from
Variscite. This kit features a VAR-SOM-OM44 and the carrier board
VAR-OM44CustomBoard[2]. The VAR-STK-OM44 is the same as
VAR-DVK-OM44 but without the LCD display.

omap4-var-stk-om44.dts replace the old and very limited
omap4-var-som.dts.

[1] http://www.variscite.com/products/system-on-module-som/cortex-a9/var-som-om44-cpu-ti-omap-4-omap4460
[2] http://www.variscite.com/products/single-board-computers/var-om44customboard

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: Change IOPAD macro's for OMAP4/5
Joachim Eastwood [Mon, 12 May 2014 18:16:27 +0000 (20:16 +0200)]
ARM: dts: Change IOPAD macro's for OMAP4/5

The OMAP4/5 TRMs primarily list address offsets from the padconf
physical address (which is not driver base address) and not
always the absolute physical address for padconf registers like
some other OMAP TRMs. So create a new macro to use this offset
and to avoid confusion between different OMAP parts.

For more information, see the tables in TRM for named something like
"Device Core Control Module Pad Configuration Register Fields"
and "Device Wake-Up Control Module Pad Configuration Register Fields"

Note that we now also have to update cm-t54 for the fixed up
offsets.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
[tony@atomide.com: updated comments, updated cm-t54]
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoMerge tag 'omap-for-v3.16/board-signed' into omap-for-v3.16/tmp-merge-2014-05-19
Tony Lindgren [Mon, 19 May 2014 22:59:07 +0000 (15:59 -0700)]
Merge tag 'omap-for-v3.16/board-signed' into omap-for-v3.16/tmp-merge-2014-05-19

Board related changes for omaps.

11 years agoMerge tag 'omap-for-v3.16/prcm-signed' into omap-for-v3.16/tmp-merge-2014-05-19
Tony Lindgren [Mon, 19 May 2014 22:59:00 +0000 (15:59 -0700)]
Merge tag 'omap-for-v3.16/prcm-signed' into omap-for-v3.16/tmp-merge-2014-05-19

PRCM changes for omaps. I ended up merging these with the
big endian changes because of the merge conflicts for read
and write operations. Via Paul Walmsley <paul@pwsan.com>:

Some OMAP PRCM cleanup patches.  These help prepare to convert the PRCM
code into drivers.

Basic build, boot, and PM test results are available here:

http://www.pwsan.com/omap/testlogs/prcm-cleanup-v3.16/20140515213244/

11 years agoMerge tag 'omap-for-v3.16/soc-signed' into omap-for-v3.16/tmp-merge-2014-05-19
Tony Lindgren [Mon, 19 May 2014 22:58:54 +0000 (15:58 -0700)]
Merge tag 'omap-for-v3.16/soc-signed' into omap-for-v3.16/tmp-merge-2014-05-19

SoC related changes for omaps.

11 years agoMerge tag 'omap-for-v3.15/fixes-v3-signed' into omap-for-v3.16/tmp-merge-2014-05-19
Tony Lindgren [Mon, 19 May 2014 22:58:48 +0000 (15:58 -0700)]
Merge tag 'omap-for-v3.15/fixes-v3-signed' into omap-for-v3.16/tmp-merge-2014-05-19

Regression fixes for omaps for NAND, DMA, cpu_idle and audio.
Also a minor one line fix for audio clock on 54xx.

11 years agoARM: DRA752: add detection of SoC information omap-for-v3.16/soc-signed
Nishanth Menon [Mon, 19 May 2014 15:27:11 +0000 (10:27 -0500)]
ARM: DRA752: add detection of SoC information

Currently the files in /sys/devices/soc0/ show no information about
DRA7. Few userspace programs do depend on this information to make SoC
specific support. So update logic to detect the relevant information and
provide to userspace.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP2+: Remove suspend_set_ops from common pm late init
Dave Gerlach [Mon, 12 May 2014 18:33:21 +0000 (13:33 -0500)]
ARM: OMAP2+: Remove suspend_set_ops from common pm late init

In omap2_common_pm_late_init suspend_set_ops was called to set common
suspend handling functions for all omap platforms. This created two
problems. First, these suspend ops were being set for all platforms,
regardless of whether or not suspend support has been integrated so in
the case of AM33XX, suspend to mem was presented as available but
failed every time. Second, some platforms will need to define a
completely separate set of suspend ops, such as AM33XX, due to
differences from previous omap platforms so there is no need to
always set the common omap ops.

This patch moves the suspend_set_ops call from omap2_common_pm_late_init
into a separate function that then gets called in the omap*_pm_init
functions for each platform.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoMerge tag 'omap-for-v3.16/dt-signed' into omap-for-v3.16/tmp-merge-2014-05-19
Tony Lindgren [Mon, 19 May 2014 20:31:48 +0000 (13:31 -0700)]
Merge tag 'omap-for-v3.16/dt-signed' into omap-for-v3.16/tmp-merge-2014-05-19

Device tree related changes for omaps for v3.16 merge window.

Conflicts:
arch/arm/boot/dts/omap3-n900.dts

11 years agoMerge tag 'omap-for-v3.16/be-signed' into omap-for-v3.16/tmp-merge-2014-05-19
Tony Lindgren [Mon, 19 May 2014 20:31:30 +0000 (13:31 -0700)]
Merge tag 'omap-for-v3.16/be-signed' into omap-for-v3.16/tmp-merge-2014-05-19

Trivial big endian changes for omaps to replace __raw_read/write
with relaxed versions. Note that further changes are still needed
to enable big endian support at least for the assembly code. The
assembly changes are still being discussed.

11 years agoMerge tag 'omap-for-v3.16/l3-noc-signed' into omap-for-v3.16/tmp-merge-2014-05-19
Tony Lindgren [Mon, 19 May 2014 20:31:20 +0000 (13:31 -0700)]
Merge tag 'omap-for-v3.16/l3-noc-signed' into omap-for-v3.16/tmp-merge-2014-05-19

Improvments to omap l3-noc bus driver for v3.16 merge window
to add support for am347x and dra7.

11 years agoMerge tag 'omap-for-v3.16/pm-signed' into omap-for-v3.16/tmp-merge-2014-05-19
Tony Lindgren [Mon, 19 May 2014 20:31:13 +0000 (13:31 -0700)]
Merge tag 'omap-for-v3.16/pm-signed' into omap-for-v3.16/tmp-merge-2014-05-19

PM related fixes for omap3 that were discovered during omap3
conversion to device tree. This series sets up the PMIC signaling
in a way where we can test for PM regressions easily by
looking at state of the the sys_clkreq and sys_off_mode pins.

Note that this series alone does not make omap3 PM to cut
off core voltage during off-idle, changes to twl4030-power.c
configurations are still needed. Those will be posted
separately.

11 years agoMerge tag 'omap-for-v3.16/fixes-not-urgent-signed' into omap-for-v3.16/tmp-merge...
Tony Lindgren [Mon, 19 May 2014 20:31:05 +0000 (13:31 -0700)]
Merge tag 'omap-for-v3.16/fixes-not-urgent-signed' into omap-for-v3.16/tmp-merge-2014-05-19

Non urgent omap fixes for v3.16 merge window.

11 years agoARM: OMAP4: Fix the boot regression with CPU_IDLE enabled omap-for-v3.15/fixes-v3-signed
Santosh Shilimkar [Mon, 12 May 2014 21:37:59 +0000 (17:37 -0400)]
ARM: OMAP4: Fix the boot regression with CPU_IDLE enabled

On OMAP4 panda board, there have been several bug reports about boot
hang and lock-ups with CPU_IDLE enabled. The root cause of the issue
is missing interrupts while in idle state. Commit cb7094e8 {cpuidle / omap4 :
use CPUIDLE_FLAG_TIMER_STOP flag} moved the broadcast notifiers to common
code for right reasons but on OMAP4 which suffers from a nasty ROM code
bug with GIC, commit ff999b8a {ARM: OMAP4460: Workaround for ROM bug ..},
we loose interrupts which leads to issues like lock-up, hangs etc.

Patch reverts commit cb7094 {cpuidle / omap4 : use CPUIDLE_FLAG_TIMER_STOP
flag} and 54769d6 {cpuidle: OMAP4: remove timer broadcast initialization} to
avoid the issue. With this change, OMAP4 panda boards, the mentioned
issues are getting fixed. We no longer loose interrupts which was the cause
of the regression.

Fixes: cb7094e8 (cpuidle / omap4 : use CPUIDLE_FLAG_TIMER_STOP flag)
Fixes: ff999b8a (cpuidle: OMAP4: remove timer broadcast initialization)
Cc: stable@vger.kernel.org # v3.9+
Cc: Roger Quadros <rogerq@ti.com>
Cc: Kevin Hilman <khilman@linaro.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Reported-tested-by: Roger Quadros <rogerq@ti.com>
Reported-tested-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoMerge tag 'for-v3.16/prcm-cleanup-a' of git://git.kernel.org/pub/scm/linux/kernel... omap-for-v3.16/prcm-signed
Tony Lindgren [Fri, 16 May 2014 22:26:22 +0000 (15:26 -0700)]
Merge tag 'for-v3.16/prcm-cleanup-a' of git://git./linux/kernel/git/pjw/omap-pending into omap-for-v3.16/prcm

Some OMAP PRCM cleanup patches.  These help prepare to convert the PRCM
code into drivers.

Basic build, boot, and PM test results are available here:

http://www.pwsan.com/omap/testlogs/prcm-cleanup-v3.16/20140515213244/

Conflicts:
arch/arm/mach-omap2/cm3xxx.c
arch/arm/mach-omap2/cm44xx.c

Also fixed up new section mismatch warnings.

11 years agoARM: OMAP2+: Fix DMA hang after off-idle
Tony Lindgren [Fri, 16 May 2014 21:05:35 +0000 (14:05 -0700)]
ARM: OMAP2+: Fix DMA hang after off-idle

Commit 6ddeb6d84459 (dmaengine: omap-dma: move IRQ handling to omap-dma)
added support for handling interrupts in the omap dmaengine driver
instead of the legacy driver. Because of different handling for
interrupts this however caused omap3 to hang eventually after hitting
off-idle.

Any of the virtual 32 DMA channels can be assigned to any of the
four DMA interrupts. So commit 6ddeb6d84459 made the omap dmaengine
driver to use the second DMA interrupt while keeping the legacy code
still using the first DMA interrupt.

This means we need to save and restore both IRQENABLE_L1 in addition
to IRQENABLE_L0. As there is a chance that the DSP might be using
IRQENABLE_L2 or IRQENABLE_L3 lines, let's not touch those until
this has been confirmed. Let's just add a comment to the code for
now.

Fixes: 6ddeb6d84459 (dmaengine: omap-dma: move IRQ handling to omap-dma)
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP2+: nand: Fix NAND on OMAP2 and OMAP3 boards
Roger Quadros [Fri, 16 May 2014 21:45:40 +0000 (14:45 -0700)]
ARM: OMAP2+: nand: Fix NAND on OMAP2 and OMAP3 boards

Commit c66d039197e4 broke NAND for non-DT boot on all OMAP2 and OMAP3
boards using board_nand_init(). Following error is seen at boot

[    0.154998]  (null): Unsupported NAND ECC scheme selected

For OMAP2 and OMAP3 platforms, the ecc_opt parameter in platform data
must be set to OMAP_ECC_HAM1_CODE_HW to work properly.

Tested on omap3-beagle c4.

Fixes: c66d039197e4 (mtd: nand: omap: combine different flavours of 1-bit hamming ecc schemes)
Cc: stable@vger.kernel.org # v3.12+
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoMerge tag 'for-v3.15-rc/omap-fixes-b' of git://git.kernel.org/pub/scm/linux/kernel...
Tony Lindgren [Fri, 16 May 2014 21:43:40 +0000 (14:43 -0700)]
Merge tag 'for-v3.15-rc/omap-fixes-b' of git://git./linux/kernel/git/pjw/omap-pending into omap-for-v3.15/fixes-v3

Two small OMAP fixes for v3.15-rc.  One fixes "slow motion" or
"choppy" audio playback on OMAP5.  The other applies an OMAP3630 fix
for clock rate setting for camera to other OMAP3 chips.

Basic build, boot, and PM test results are available here:

http://www.pwsan.com/omap/testlogs/prcm-fixes-b-v3.15-rc/20140514112639/

11 years agoMerge tag 'for-v3.16/hwmod-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw...
Tony Lindgren [Fri, 16 May 2014 21:19:05 +0000 (14:19 -0700)]
Merge tag 'for-v3.16/hwmod-a' of git://git./linux/kernel/git/pjw/omap-pending into omap-for-v3.16/soc

First (and possibly last) set of hwmod data changes for v3.16.  This
set should clean up some obsolete OMAP4 hwmod data, and add OMAP5 DSS
support.

Basic build, boot, and PM logs are available here:

http://www.pwsan.com/omap/testlogs/hwmod-a-v3.16/20140515210013/

11 years agoARM: OMAP: replace checks for CONFIG_USB_GADGET_OMAP omap-for-v3.16/board-signed
Paul Bolle [Fri, 16 May 2014 10:00:57 +0000 (12:00 +0200)]
ARM: OMAP: replace checks for CONFIG_USB_GADGET_OMAP

Commit 193ab2a60700 ("usb: gadget: allow multiple gadgets to be built")
apparently required that checks for CONFIG_USB_GADGET_OMAP would be
replaced with checks for CONFIG_USB_OMAP. Do so now for the remaining
checks for CONFIG_USB_GADGET_OMAP, even though these checks have
basically been broken since v3.1.

And, since we're touching this code, use the IS_ENABLED() macro, so
things will now (hopefully) also work if USB_OMAP is modular.

Fixes: 193ab2a60700 ("usb: gadget: allow multiple gadgets to be built")
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP: AM3517EVM: remove check for CONFIG_PANEL_SHARP_LQ043T1DG01
Paul Bolle [Thu, 15 May 2014 19:54:52 +0000 (21:54 +0200)]
ARM: OMAP: AM3517EVM: remove check for CONFIG_PANEL_SHARP_LQ043T1DG01

The Kconfig symbol PANEL_SHARP_LQ043T1DG01 was removed in v2.6.38. The
check for CONFIG_PANEL_SHARP_LQ043T1DG01 and its MODULE variant has
evaluated to false ever since. Remove that check.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP: SX1: remove check for CONFIG_SX1_OLD_FLASH
Paul Bolle [Thu, 15 May 2014 19:41:42 +0000 (21:41 +0200)]
ARM: OMAP: SX1: remove check for CONFIG_SX1_OLD_FLASH

A check for CONFIG_SX1_OLD_FLASH was added in v2.6.24. But the related
Kconfig symbol was never part of the tree. So we can remove some dead
code.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP: remove some dead code
Paul Bolle [Thu, 15 May 2014 19:16:21 +0000 (21:16 +0200)]
ARM: OMAP: remove some dead code

A check for CONFIG_CBUS_TAHVO_USB was added in v2.6.17. The related
Kconfig symbol has never been part of the tree. Remove that check.

Replace the while (...) loop with a simple if (...) statement, while
we're at it.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP: omap3stalker: remove two Kconfig macros
Paul Bolle [Thu, 15 May 2014 18:37:45 +0000 (20:37 +0200)]
ARM: OMAP: omap3stalker: remove two Kconfig macros

Checks for CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO and
CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE were added in v2.6.35. But the
related Kconfig symbols have never been added to the tree. Remove these
checks.

Initialize connector_type to OMAP_DSS_VENC_TYPE_COMPOSITE explicitly.
That's what's happening currently: OMAP_DSS_VENC_TYPE_COMPOSITE equals
zero and connector_type remains zero since both checks currently fail.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP4: PRCM: remove references to cm-regbits-44xx.h from PRCM core files
Tero Kristo [Mon, 31 Mar 2014 15:15:52 +0000 (18:15 +0300)]
ARM: OMAP4: PRCM: remove references to cm-regbits-44xx.h from PRCM core files

Done in preparation to make PRCM a standalone driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoARM: OMAP3/4: PRM: add support of late_init call to prm_ll_ops
Tero Kristo [Mon, 31 Mar 2014 15:15:45 +0000 (18:15 +0300)]
ARM: OMAP3/4: PRM: add support of late_init call to prm_ll_ops

SoC specific late_init call is now registered during PRM init, and will
be called automatically by PRM core. This helps to get rid of some
redundant initcalls and cpu_is_X checks from the PRM code.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoARM: OMAP3/OMAP4: PRM: add prm_features flags and add IO wakeup under it
Tero Kristo [Mon, 31 Mar 2014 15:15:44 +0000 (18:15 +0300)]
ARM: OMAP3/OMAP4: PRM: add prm_features flags and add IO wakeup under it

prm_features flag will contain SoC specific feature enabler flags. Initially
IO wakeup is added under this. Helps to get rid of runtime cpu_is_X checks.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoARM: OMAP3/4: PRM: provide io chain reconfig function through irq setup
Tero Kristo [Mon, 31 Mar 2014 15:15:43 +0000 (18:15 +0300)]
ARM: OMAP3/4: PRM: provide io chain reconfig function through irq setup

This helps to make the PRM registration modular, and also gets rid of a
cpu type check done later.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoARM: OMAP2+: PRM: remove unnecessary cpu_is_XXX calls from prm_init / exit
Tero Kristo [Mon, 12 May 2014 01:54:58 +0000 (19:54 -0600)]
ARM: OMAP2+: PRM: remove unnecessary cpu_is_XXX calls from prm_init / exit

Done in preparation to make PRM its own driver, as the cpu_is_XXX calls are
not available outside mach-omap2 folder.

The init functions are called only from cpu specific init chain, and thus
don't need to double check against cpu type.

The exit calls check against the data provided during init-time registration
and thus don't need cpu check either.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
[paul@pwsan.com: updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoARM: OMAP2+: PRCM: cleanup some header includes
Tero Kristo [Mon, 12 May 2014 01:41:50 +0000 (19:41 -0600)]
ARM: OMAP2+: PRCM: cleanup some header includes

Some of the includes are totally unnecessary, remove some others in
preparation to make the PRCM its own driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
[paul@pwsan.com: updated to apply; fixed build error on OMAP2xxx-only configs]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoARM: OMAP4: CM: use cm_base* in register address calculations
Tero Kristo [Mon, 31 Mar 2014 15:15:40 +0000 (18:15 +0300)]
ARM: OMAP4: CM: use cm_base* in register address calculations

OMAP44XX_CM*_REGADDR macros should be avoided, instead use the cm_base*
iomaps.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoARM: OMAP2/3: CM: remove some external dependencies
Tero Kristo [Tue, 4 Mar 2014 16:19:03 +0000 (18:19 +0200)]
ARM: OMAP2/3: CM: remove some external dependencies

Done in preparation to move the CM driver to its own driver folder.
These drivers will not have access to functionality under mach-omap2 anymore.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoARM: OMAP2+: prcm: add omap_test_timeout to prcm-common.h
Tero Kristo [Tue, 4 Mar 2014 16:19:02 +0000 (18:19 +0200)]
ARM: OMAP2+: prcm: add omap_test_timeout to prcm-common.h

Done in preparation to move cm/prm to drivers. These will still use
omap_test_timeout, but will not have access to common.h header under
mach-omap2 anymore.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoARM: dts: AM33XX: fix ethernet and mdio default state
Johan Hovold [Thu, 8 May 2014 08:57:36 +0000 (10:57 +0200)]
ARM: dts: AM33XX: fix ethernet and mdio default state

Make sure ethernet and mdio nodes are disabled by default and enable
them explicitly only on boards that actually use them.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: am4372: Add hdq device tree data
Sourav Poddar [Thu, 8 May 2014 06:00:07 +0000 (11:30 +0530)]
ARM: dts: am4372: Add hdq device tree data

Add device tree nodes and pinmux for hdq/1wire on
am43x epos evm.

Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: omap2+: skip device build from platform code for dt
Sourav Poddar [Thu, 8 May 2014 06:00:06 +0000 (11:30 +0530)]
ARM: omap2+: skip device build from platform code for dt

For SOCs with dt enabled, device should be build through device tree.
Prevent device build call from platform code, if device tree is
enabled.

Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agodts: dra7-evm: add USB support
Roger Quadros [Wed, 14 May 2014 07:58:13 +0000 (10:58 +0300)]
dts: dra7-evm: add USB support

Add USB pinmux information and USB modes
for the USB controllers.

CC: Benoît Cousson <bcousson@baylibre.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: dra7: Add USB related nodes
Roger Quadros [Mon, 5 May 2014 09:54:45 +0000 (12:54 +0300)]
ARM: dts: dra7: Add USB related nodes

Add nodes for the Super Speed USB controllers, omap-control-usb,
USB2 PHY and USB3 PHY devices.

Remove ocp2scp1 address space from hwmod data as it is
now provided via device tree.

CC: Benoît Cousson <bcousson@baylibre.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: dra7-clock: Add "l3init_960m_gfclk" clock gate
Roger Quadros [Mon, 5 May 2014 09:54:43 +0000 (12:54 +0300)]
ARM: dts: dra7-clock: Add "l3init_960m_gfclk" clock gate

This clock gate description is missing in the older Reference manuals.
It is present on the SoC to provide 960MHz reference clock to the
internal USB PHYs.

Reference: DRA75x_DRA74x_ES1.1_NDA_TRM_vO.pdf, pg. 900,
Table 3-812. CM_COREAON_L3INIT_60M_GFCLK_CLKCTRL

Use l3init_960m_gfclk as parent of usb_otg_ss1_refclk960m and
usb_otg_ss2_refclk960m.

CC: Benoît Cousson <bcousson@baylibre.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: omap4+: Add clocks to USB2 PHY node
Roger Quadros [Mon, 5 May 2014 09:54:42 +0000 (12:54 +0300)]
ARM: dts: omap4+: Add clocks to USB2 PHY node

The USB2 PHY driver expects named clocks for wakeup clock
and reference clock. Provide this information for USB2 PHY
nodes in OMAP4 and OMAP5 SoC DTS.

CC: Benoît Cousson <bcousson@baylibre.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: dra7: add OCP2SCP3 and SATA nodes
Balaji T K [Wed, 7 May 2014 11:58:58 +0000 (14:58 +0300)]
ARM: dts: dra7: add OCP2SCP3 and SATA nodes

Add nodes for OCP2SCP3 bus, SATA controller and SATA PHY.

[Roger Q] Clean up. Updated IRQ for interrupt crossbar.

CC: Benoit Cousson <bcousson@baylibre.com>
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: omap5: add sata node
Balaji T K [Wed, 23 Apr 2014 17:35:33 +0000 (20:35 +0300)]
ARM: dts: omap5: add sata node

Add support for sata.

[Roger Q] Clean up.

CC: Benoit Cousson <bcousson@baylibre.com>
CC: Tony Lindgren <tony@atomide.com>
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP2+: hwmod: OMAP5 DSS hwmod data
Archit Taneja [Wed, 14 May 2014 18:26:10 +0000 (12:26 -0600)]
ARM: OMAP2+: hwmod: OMAP5 DSS hwmod data

Add hwmod data for dss core, dispc dsi1, dsi2, rfbi and hdmi. It's more
or less similar to omap4 hwmod data.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoARM: omap4: hwmod_data: Clean up audio related structures (remove/merge them)
Peter Ujfalusi [Wed, 14 May 2014 18:26:10 +0000 (12:26 -0600)]
ARM: omap4: hwmod_data: Clean up audio related structures (remove/merge them)

All audio related omap_hwmod_ocp_if *_dma can be removed from the data since
we can just add the user flag to the non dma structure.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoARM: omap5: hwmod_data: Correct IDLEMODE for McPDM
Peter Ujfalusi [Fri, 9 May 2014 08:10:05 +0000 (11:10 +0300)]
ARM: omap5: hwmod_data: Correct IDLEMODE for McPDM

McPDM need to be configured to NO_IDLE mode when it is in used otherwise
vital clocks will be gated which results 'slow motion' audio playback.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: <stable@kernel.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoARM: OMAP2+: Add support for RNG on DT booted N900
Sebastian Reichel [Mon, 7 Apr 2014 12:28:46 +0000 (14:28 +0200)]
ARM: OMAP2+: Add support for RNG on DT booted N900

Add support for OMAP3 ROM Random Number Generator via
pdata-quirks.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: am335x-evm: fix comments for lcd pins
Wolfram Sang [Fri, 9 May 2014 15:15:50 +0000 (17:15 +0200)]
ARM: dts: am335x-evm: fix comments for lcd pins

In the comments, LCD pins 16-23 were numbered in the wrong order.
Fix this and use proper pinmux constants for all entries while we
are at it.

Signed-off-by: Wolfram Sang <wsa@sang-engineering.com>
Cc: Benoit Parrot <bparrot@ti.com>
Tested-by: Darren Etheridge <detheridge@ti.com>
[tony@atomide.com: updated description]
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP3: CM: remove a few OMAP34XX_CM_REGADDR defines
Tero Kristo [Tue, 4 Mar 2014 16:19:01 +0000 (18:19 +0200)]
ARM: OMAP3: CM: remove a few OMAP34XX_CM_REGADDR defines

Remove a few OMAP34XX_CM_REGADDR defines and replace these with offset
based register accesses instead.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoLinux 3.15-rc5
Linus Torvalds [Fri, 9 May 2014 20:10:52 +0000 (13:10 -0700)]
Linux 3.15-rc5

11 years agoMerge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 9 May 2014 19:24:20 +0000 (12:24 -0700)]
Merge branch 'x86-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull x86 fixes from Peter Anvin:
 "A somewhat unpleasantly large collection of small fixes.  The big ones
  are the __visible tree sweep and a fix for 'earlyprintk=efi,keep'.  It
  was using __init functions with predictably suboptimal results.

  Another key fix is a build fix which would produce output that simply
  would not decompress correctly in some configuration, due to the
  existing Makefiles picking up an unfortunate local label and mistaking
  it for the global symbol _end.

  Additional fixes include the handling of 64-bit numbers when setting
  the vdso data page (a latent bug which became manifest when i386
  started exporting a vdso with time functions), a fix to the new MSR
  manipulation accessors which would cause features to not get properly
  unblocked, a build fix for 32-bit userland, and a few new platform
  quirks"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, vdso, time: Cast tv_nsec to u64 for proper shifting in update_vsyscall()
  x86: Fix typo in MSR_IA32_MISC_ENABLE_LIMIT_CPUID macro
  x86: Fix typo preventing msr_set/clear_bit from having an effect
  x86/intel: Add quirk to disable HPET for the Baytrail platform
  x86/hpet: Make boot_hpet_disable extern
  x86-64, build: Fix stack protector Makefile breakage with 32-bit userland
  x86/reboot: Add reboot quirk for Certec BPC600
  asmlinkage: Add explicit __visible to drivers/*, lib/*, kernel/*
  asmlinkage, x86: Add explicit __visible to arch/x86/*
  asmlinkage: Revert "lto: Make asmlinkage __visible"
  x86, build: Don't get confused by local symbols
  x86/efi: earlyprintk=efi,keep fix

11 years agox86, vdso, time: Cast tv_nsec to u64 for proper shifting in update_vsyscall()
Boris Ostrovsky [Fri, 9 May 2014 15:11:27 +0000 (11:11 -0400)]
x86, vdso, time: Cast tv_nsec to u64 for proper shifting in update_vsyscall()

With tk->wall_to_monotonic.tv_nsec being a 32-bit value on 32-bit
systems, (tk->wall_to_monotonic.tv_nsec << tk->shift) in update_vsyscall()
may lose upper bits or, worse, add them since compiler will do this:
(u64)(tk->wall_to_monotonic.tv_nsec << tk->shift)
instead of
((u64)tk->wall_to_monotonic.tv_nsec << tk->shift)

So if, for example, tv_nsec is 0x800000 and shift is 8 we will end up
with 0xffffffff80000000 instead of 0x80000000. And then we are stuck in
the subsequent 'while' loop.

We need an explicit cast.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: http://lkml.kernel.org/r/1399648287-15178-1-git-send-email-boris.ostrovsky@oracle.com
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: <stable@vger.kernel.org> # v3.14
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
11 years agox86: Fix typo in MSR_IA32_MISC_ENABLE_LIMIT_CPUID macro
Andres Freund [Fri, 9 May 2014 01:29:17 +0000 (03:29 +0200)]
x86: Fix typo in MSR_IA32_MISC_ENABLE_LIMIT_CPUID macro

The spuriously added semicolon didn't have any effect because the
macro isn't currently in use.

c0a639ad0bc6b178b46996bd1f821a04643e2bde

Signed-off-by: Andres Freund <andres@anarazel.de>
Link: http://lkml.kernel.org/r/1399598957-7011-3-git-send-email-andres@anarazel.de
Cc: Borislav Petkov <bp@suse.de>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
11 years agox86: Fix typo preventing msr_set/clear_bit from having an effect
Andres Freund [Fri, 9 May 2014 01:29:16 +0000 (03:29 +0200)]
x86: Fix typo preventing msr_set/clear_bit from having an effect

Due to a typo the msr accessor function introduced in
22085a66c2fab6cf9b9393c056a3600a6b4735de didn't have any lasting
effects because they accidentally wrote the old value back.

After c0a639ad0bc6b178b46996bd1f821a04643e2bde this at the very least
this causes cpuid limits not to be lifted on some cpus leading to
missing capabilities for those.

Signed-off-by: Andres Freund <andres@anarazel.de>
Link: http://lkml.kernel.org/r/1399598957-7011-2-git-send-email-andres@anarazel.de
Cc: Borislav Petkov <bp@suse.de>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
11 years agoMerge tag 'xfs-for-linus-3.15-rc5' of git://oss.sgi.com/xfs/xfs
Linus Torvalds [Fri, 9 May 2014 02:20:45 +0000 (19:20 -0700)]
Merge tag 'xfs-for-linus-3.15-rc5' of git://oss.sgi.com/xfs/xfs

Pull xfs fixes from Dave Chinner:
 "The main fix is adding support for default ACLs on O_TMPFILE opened
  inodes to bring XFS into line with other filesystems.  Metadata CRCs
  are now also considered well enough tested to be fully supported, so
  we're removing the shouty warnings issued at mount time for
  filesystems with that format.  And there's transaction block
  reservation overrun fix.

  Summary:
   - fix a remote attribute size calculation bug that leads to a
     transaction overrun
   - add default ACLs to O_TMPFILE files
   - Remove the EXPERIMENTAL tag from filesystems with metadata CRC
     support"

* tag 'xfs-for-linus-3.15-rc5' of git://oss.sgi.com/xfs/xfs:
  xfs: remote attribute overwrite causes transaction overrun
  xfs: initialize default acls for ->tmpfile()
  xfs: fully support v5 format filesystems

11 years agoLinux-omap rebuilt: Updated to -rc4, merged in queued branches for merge window
Tony Lindgren [Thu, 8 May 2014 21:33:00 +0000 (14:33 -0700)]
Linux-omap rebuilt: Updated to -rc4, merged in queued branches for merge window

$ git checkout -b tmp-rebuild-1399584774 linus
$ git merge -m "Merge omap-for-v3.16/tmp-merge" omap-for-v3.16/tmp-merge
$ git merge -s ours master
$ git checkout master
$ git merge tmp-rebuild-1399584774

To view the changes since the last rebuild, please do
$ git diff 9ebf92e43869aac55790fe51a29360a6fb599364..9e6925cbdde0794270191372d9ab9e7c7227e879 arch/arm/*omap*/

11 years agoMerge tag 'omap-for-v3.16/dt-signed' into omap-for-v3.16/tmp-merge
Tony Lindgren [Thu, 8 May 2014 21:29:36 +0000 (14:29 -0700)]
Merge tag 'omap-for-v3.16/dt-signed' into omap-for-v3.16/tmp-merge

Device tree related changes for omaps for v3.16 merge window.

Conflicts:
arch/arm/boot/dts/omap3-n900.dts

11 years agoMerge tag 'trace-fixes-v3.15-rc4-v2' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Thu, 8 May 2014 21:17:13 +0000 (14:17 -0700)]
Merge tag 'trace-fixes-v3.15-rc4-v2' of git://git./linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "This contains two fixes.

  The first is a long standing bug that causes bogus data to show up in
  the refcnt field of the module_refcnt tracepoint.  It was introduced
  by a merge conflict resolution back in 2.6.35-rc days.

  The result should be 'refcnt = incs - decs', but instead it did
  'refcnt = incs + decs'.

  The second fix is to a bug that was introduced in this merge window
  that allowed for a tracepoint funcs pointer to be used after it was
  freed.  Moving the location of where the probes are released solved
  the problem"

* tag 'trace-fixes-v3.15-rc4-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracepoint: Fix use of tracepoint funcs after rcu free
  trace: module: Maintain a valid user count

11 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Linus Torvalds [Thu, 8 May 2014 21:06:45 +0000 (14:06 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/dtor/input

Pull input subsystem fixes from Dmitry Torokhov:
 "Just a few fixups to various drivers"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: elantech - fix touchpad initialization on Gigabyte U2442
  Input: tca8418 - fix loading this driver as a module from a device tree
  Input: bma150 - extend chip detection for bma180
  Input: atkbd - fix keyboard not working on some LG laptops
  Input: synaptics - add min/max quirk for ThinkPad Edge E431

11 years agoMerge tag 'sound-3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...
Linus Torvalds [Thu, 8 May 2014 20:51:53 +0000 (13:51 -0700)]
Merge tag 'sound-3.15-rc5' of git://git./linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A bunch of small fixes for USB-audio and HD-audio, where most of them
  are for regressions: USB-audio PM fixes, ratelimit annoyance fix, HDMI
  offline state fix, and a couple of device-specific quirks"

* tag 'sound-3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - hdmi: Set converter channel count even without sink
  ALSA: usb-audio: work around corrupted TEAC UD-H01 feedback data
  ALSA: usb-audio: Fix deadlocks at resuming
  ALSA: usb-audio: Save mixer status only once at suspend
  ALSA: usb-audio: Prevent printk ratelimiting from spamming kernel log while DEBUG not defined
  ALSA: hda - add headset mic detect quirk for a Dell laptop

11 years agoMerge tag 'omap-for-v3.16/be-signed' into omap-for-v3.16/tmp-merge
Tony Lindgren [Thu, 8 May 2014 20:26:45 +0000 (13:26 -0700)]
Merge tag 'omap-for-v3.16/be-signed' into omap-for-v3.16/tmp-merge

Trivial big endian changes for omaps to replace __raw_read/write
with relaxed versions. Note that further changes are still needed
to enable big endian support at least for the assembly code. The
assembly changes are still being discussed.

11 years agoMerge tag 'omap-for-v3.16/l3-noc-signed' into omap-for-v3.16/tmp-merge
Tony Lindgren [Thu, 8 May 2014 20:26:37 +0000 (13:26 -0700)]
Merge tag 'omap-for-v3.16/l3-noc-signed' into omap-for-v3.16/tmp-merge

Improvments to omap l3-noc bus driver for v3.16 merge window
to add support for am347x and dra7.

11 years agoMerge tag 'omap-for-v3.16/pm-signed' into omap-for-v3.16/tmp-merge
Tony Lindgren [Thu, 8 May 2014 20:26:30 +0000 (13:26 -0700)]
Merge tag 'omap-for-v3.16/pm-signed' into omap-for-v3.16/tmp-merge

PM related fixes for omap3 that were discovered during omap3
conversion to device tree. This series sets up the PMIC signaling
in a way where we can test for PM regressions easily by
looking at state of the the sys_clkreq and sys_off_mode pins.

Note that this series alone does not make omap3 PM to cut
off core voltage during off-idle, changes to twl4030-power.c
configurations are still needed. Those will be posted
separately.

11 years agoMerge tag 'omap-for-v3.16/fixes-not-urgent-signed' into omap-for-v3.16/tmp-merge
Tony Lindgren [Thu, 8 May 2014 20:26:23 +0000 (13:26 -0700)]
Merge tag 'omap-for-v3.16/fixes-not-urgent-signed' into omap-for-v3.16/tmp-merge

Non urgent omap fixes for v3.16 merge window.

11 years agoMerge tag 'mfd-mmc-fixes-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Thu, 8 May 2014 19:41:14 +0000 (12:41 -0700)]
Merge tag 'mfd-mmc-fixes-3.15-rc4' of git://git./linux/kernel/git/lee/mfd

Pull mmc/rtsx revert from Lee Jones.

* tag 'mfd-mmc-fixes-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
  mmc: rtsx: Revert "mmc: rtsx: add support for pre_req and post_req"

11 years agoMerge branch 'pull/l3noc/dts-fixes' of https://github.com/nmenon/linux-2.6-playground... omap-for-v3.16/fixes-not-urgent-signed
Tony Lindgren [Thu, 8 May 2014 15:02:57 +0000 (08:02 -0700)]
Merge branch 'pull/l3noc/dts-fixes' of https://github.com/nmenon/linux-2.6-playground into omap-for-v3.16/fixes-not-urgent

11 years agoARM: OMAP: debug-leds: raw read and write endian fix omap-for-v3.16/be-signed
Victor Kamensky [Tue, 15 Apr 2014 17:37:49 +0000 (20:37 +0300)]
ARM: OMAP: debug-leds: raw read and write endian fix

All OMAP IP blocks expect LE data, but CPU may operate in BE mode.
Need to use endian neutral functions to read/write h/w registers.
I.e instead of __raw_read[lw] and __raw_write[lw] functions code
need to use read[lw]_relaxed and write[lw]_relaxed functions.
If the first simply reads/writes register, the second will byteswap
it if host operates in BE mode.

Changes are trivial sed like replacement of __raw_xxx functions
with xxx_relaxed variant.

Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
Signed-off-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP: counter-32k: raw read and write endian fix
Victor Kamensky [Tue, 15 Apr 2014 17:37:48 +0000 (20:37 +0300)]
ARM: OMAP: counter-32k: raw read and write endian fix

All OMAP IP blocks expect LE data, but CPU may operate in BE mode.
Need to use endian neutral functions to read/write h/w registers.
I.e instead of __raw_read[lw] and __raw_write[lw] functions code
need to use read[lw]_relaxed and write[lw]_relaxed functions.
If the first simply reads/writes register, the second will byteswap
it if host operates in BE mode.

Changes are trivial sed like replacement of __raw_xxx functions
with xxx_relaxed variant.

Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
Signed-off-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP: dmtimer: raw read and write endian fix
Victor Kamensky [Tue, 15 Apr 2014 17:37:47 +0000 (20:37 +0300)]
ARM: OMAP: dmtimer: raw read and write endian fix

All OMAP IP blocks expect LE data, but CPU may operate in BE mode.
Need to use endian neutral functions to read/write h/w registers.
I.e instead of __raw_read[lw] and __raw_write[lw] functions code
need to use read[lw]_relaxed and write[lw]_relaxed functions.
If the first simply reads/writes register, the second will byteswap
it if host operates in BE mode.

Changes are trivial sed like replacement of __raw_xxx functions
with xxx_relaxed variant.

Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
Signed-off-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP2+: raw read and write endian fix
Victor Kamensky [Tue, 15 Apr 2014 17:37:46 +0000 (20:37 +0300)]
ARM: OMAP2+: raw read and write endian fix

All OMAP IP blocks expect LE data, but CPU may operate in BE mode.
Need to use endian neutral functions to read/write h/w registers.
I.e instead of __raw_read[lw] and __raw_write[lw] functions code
need to use read[lw]_relaxed and write[lw]_relaxed functions.
If the first simply reads/writes register, the second will byteswap
it if host operates in BE mode.

Changes are trivial sed like replacement of __raw_xxx functions
with xxx_relaxed variant.

Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
Signed-off-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agotracepoint: Fix use of tracepoint funcs after rcu free
Mathieu Desnoyers [Thu, 8 May 2014 11:47:49 +0000 (07:47 -0400)]
tracepoint: Fix use of tracepoint funcs after rcu free

Commit de7b2973903c "tracepoint: Use struct pointer instead of name hash
for reg/unreg tracepoints" introduces a use after free by calling
release_probes on the old struct tracepoint array before the newly
allocated array is published with rcu_assign_pointer. There is a race
window where tracepoints (RCU readers) can perform a
"use-after-grace-period-after-free", which shows up as a GPF in
stress-tests.

Link: http://lkml.kernel.org/r/53698021.5020108@oracle.com
Link: http://lkml.kernel.org/p/1399549669-25465-1-git-send-email-mathieu.desnoyers@efficios.com
Reported-by: Sasha Levin <sasha.levin@oracle.com>
CC: Oleg Nesterov <oleg@redhat.com>
CC: Dave Jones <davej@redhat.com>
Fixes: de7b2973903c "tracepoint: Use struct pointer instead of name hash for reg/unreg tracepoints"
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
11 years agotrace: module: Maintain a valid user count
Romain Izard [Tue, 4 Mar 2014 09:09:39 +0000 (10:09 +0100)]
trace: module: Maintain a valid user count

The replacement of the 'count' variable by two variables 'incs' and
'decs' to resolve some race conditions during module unloading was done
in parallel with some cleanup in the trace subsystem, and was integrated
as a merge.

Unfortunately, the formula for this replacement was wrong in the tracing
code, and the refcount in the traces was not usable as a result.

Use 'count = incs - decs' to compute the user count.

Link: http://lkml.kernel.org/p/1393924179-9147-1-git-send-email-romain.izard.pro@gmail.com
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: stable@vger.kernel.org # 2.6.35
Fixes: c1ab9cab7509 "merge conflict resolution"
Signed-off-by: Romain Izard <romain.izard.pro@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
11 years agommc: rtsx: Revert "mmc: rtsx: add support for pre_req and post_req"
Micky Ching [Tue, 29 Apr 2014 01:54:54 +0000 (09:54 +0800)]
mmc: rtsx: Revert "mmc: rtsx: add support for pre_req and post_req"

This reverts commit c42deffd5b53c9e583d83c7964854ede2f12410d.

commit <mmc: rtsx: add support for pre_req and post_req> did use
mutex_unlock() in tasklet, but mutex_unlock() can't be used in
tasklet(atomic context). The driver needs to use mutex to avoid
concurrency, so we can't use tasklet here, the patch need to be
removed.

The spinlock host->lock and pcr->lock may deadlock, one way to solve
the deadlock is remove host->lock in sd_isr_done_transfer(), but if
using workqueue the we can avoid using the spinlock and also avoid
the problem.

Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
11 years agox86/intel: Add quirk to disable HPET for the Baytrail platform
Feng Tang [Thu, 24 Apr 2014 08:18:18 +0000 (16:18 +0800)]
x86/intel: Add quirk to disable HPET for the Baytrail platform

HPET on current Baytrail platform has accuracy problem to be
used as reliable clocksource/clockevent, so add a early quirk to
disable it.

Signed-off-by: Feng Tang <feng.tang@intel.com>
Cc: Clemens Ladisch <clemens@ladisch.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1398327498-13163-2-git-send-email-feng.tang@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
11 years agox86/hpet: Make boot_hpet_disable extern
Feng Tang [Thu, 24 Apr 2014 08:18:17 +0000 (16:18 +0800)]
x86/hpet: Make boot_hpet_disable extern

HPET on some platform has accuracy problem. Making
"boot_hpet_disable" extern so that we can runtime disable
the HPET timer by using quirk to check the platform.

Signed-off-by: Feng Tang <feng.tang@intel.com>
Cc: Clemens Ladisch <clemens@ladisch.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1398327498-13163-1-git-send-email-feng.tang@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
11 years agoMerge tag 'for-linus-20140507' of git://git.infradead.org/linux-mtd
Linus Torvalds [Wed, 7 May 2014 23:28:52 +0000 (16:28 -0700)]
Merge tag 'for-linus-20140507' of git://git.infradead.org/linux-mtd

Pull MTD fix from Brian Norris:
 "A single update for Keystone SoC's, whose NAND controller does not
  support subpage programming"

* tag 'for-linus-20140507' of git://git.infradead.org/linux-mtd:
  mtd: davinci-nand: disable subpage write for keystone-nand

11 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Linus Torvalds [Wed, 7 May 2014 23:07:58 +0000 (16:07 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jikos/hid

Pull HID fixes from Jiri Kosina:

 - fix a small bug in computation of report size, which might cause some
   devices (Atmel touchpad found on the Samsung Ativ 9) to reject
   reports with otherwise valid contents

 - a few device-ID specific quirks/additions piggy-backing on top of it

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: sensor-hub: Add in quirk for sensor hub in Lenovo Ideapad Yogas
  HID: add NO_INIT_REPORTS quirk for Synaptics Touch Pad V 103S
  HID: core: fix computation of the report size
  HID: multitouch: add support of EliteGroup 05D8 panels

11 years agoMerge branch 'drm-radeon-mullins' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Wed, 7 May 2014 22:47:47 +0000 (15:47 -0700)]
Merge branch 'drm-radeon-mullins' of git://people.freedesktop.org/~airlied/linux

Pull radeon mullins support from Dave Airlie:
 "This is support for the new AMD mullins APU, it pretty much just adds
  support to the driver in the all the right places, and is pretty low
  risk wrt other GPUs"

Oh well.  I guess it ends up fitting under "support new hardware" for
merging late.

* 'drm-radeon-mullins' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon: add pci ids for Mullins
  drm/radeon: add Mullins VCE support
  drm/radeon: modesetting updates for Mullins.
  drm/radeon: dpm updates for KV/KB
  drm/radeon: add Mullins dpm support.
  drm/radeon: add Mullins UVD support.
  drm/radeon: update cik init for Mullins.
  drm/radeon: add Mullins chip family

11 years agoMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Wed, 7 May 2014 22:45:13 +0000 (15:45 -0700)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "radeon, i915 and nouveau fixes, all fixes for regressions or black
  screens, or possible oopses"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon: lower the ref * post PLL maximum
  drm/radeon: check that we have a clock before PLL setup
  drm/radeon: drm/radeon: add missing radeon_semaphore_free to error path
  drm/radeon: Fix num_banks calculation for SI
  agp: info leak in agpioc_info_wrap()
  drm/gm107/gr: bump attrib cb size quite a bit
  drm/nouveau: fix another lock unbalance in nouveau_crtc_page_flip
  drm/nouveau/bios: fix shadowing from PROM on big-endian systems
  drm/nouveau/acpi: allow non-optimus setups to load vbios from acpi
  drm/radeon/dp: check for errors in dpcd reads
  drm/radeon: avoid high jitter with small frac divs
  drm/radeon: check buffer relocation offset
  drm/radeon: use pflip irq on R600+ v2
  drm/radeon/uvd: use lower clocks on old UVD to boot v2
  drm/i915: don't try DP_LINK_BW_5_4 on HSW ULX
  drm/i915: Sanitize the enable_ppgtt module option once
  drm/i915: Break encoder->crtc link separately in intel_sanitize_crtc()

11 years agox86-64, build: Fix stack protector Makefile breakage with 32-bit userland
George Spelvin [Wed, 7 May 2014 21:05:52 +0000 (17:05 -0400)]
x86-64, build: Fix stack protector Makefile breakage with 32-bit userland

If you are using a 64-bit kernel with 32-bit userland, then
scripts/gcc-x86_64-has-stack-protector.sh invokes 32-bit gcc
with -mcmodel=kernel, which produces:

<stdin>:1:0: error: code model 'kernel' not supported in the 32 bit mode

and trips the "broken compiler" test at arch/x86/Makefile:120.

There are several places a fix is possible, but the following seems
cleanest.  (But it's minimal; it would also be possible to factor
out a bunch of stuff from the two branches of the if.)

Signed-off-by: George Spelvin <linux@horizon.com>
Link: http://lkml.kernel.org/r/20140507210552.7581.qmail@ns.horizon.com
Cc: <stable@vger.kernel.org> # v3.14
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
11 years agox86/reboot: Add reboot quirk for Certec BPC600
Christian Gmeiner [Wed, 7 May 2014 07:01:54 +0000 (09:01 +0200)]
x86/reboot: Add reboot quirk for Certec BPC600

Certec BPC600 needs reboot=pci to actually reboot.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Li Aubrey <aubrey.li@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Dave Jones <davej@redhat.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1399446114-2147-1-git-send-email-christian.gmeiner@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
11 years agoMerge branch 'mullins' of git://people.freedesktop.org/~deathsimple/linux into drm...
Dave Airlie [Tue, 6 May 2014 23:10:28 +0000 (09:10 +1000)]
Merge branch 'mullins' of git://people.freedesktop.org/~deathsimple/linux into drm-fixes

Add Mullins chips support.

* 'mullins' of git://people.freedesktop.org/~deathsimple/linux:
  drm/radeon: add pci ids for Mullins
  drm/radeon: add Mullins VCE support
  drm/radeon: modesetting updates for Mullins.
  drm/radeon: dpm updates for KV/KB
  drm/radeon: add Mullins dpm support.
  drm/radeon: add Mullins UVD support.
  drm/radeon: update cik init for Mullins.
  drm/radeon: add Mullins chip family

11 years agoMerge branch 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux...
Dave Airlie [Tue, 6 May 2014 23:06:21 +0000 (09:06 +1000)]
Merge branch 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes

nouveau fixes.

* 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
  drm/gm107/gr: bump attrib cb size quite a bit
  drm/nouveau: fix another lock unbalance in nouveau_crtc_page_flip
  drm/nouveau/bios: fix shadowing from PROM on big-endian systems
  drm/nouveau/acpi: allow non-optimus setups to load vbios from acpi

11 years agoMerge tag 'topc/core-stuff-2014-05-05' of git://anongit.freedesktop.org/drm-intel...
Dave Airlie [Tue, 6 May 2014 22:56:03 +0000 (08:56 +1000)]
Merge tag 'topc/core-stuff-2014-05-05' of git://anongit.freedesktop.org/drm-intel into drm-fixes

Some more i915 fixes. There's still some DP issues we are looking into,
but wanted to get these moving.

* tag 'topc/core-stuff-2014-05-05' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: don't try DP_LINK_BW_5_4 on HSW ULX
  drm/i915: Sanitize the enable_ppgtt module option once
  drm/i915: Break encoder->crtc link separately in intel_sanitize_crtc()

11 years agoMerge branch 'drm-fixes-3.15' of git://people.freedesktop.org/~deathsimple/linux...
Dave Airlie [Tue, 6 May 2014 22:55:27 +0000 (08:55 +1000)]
Merge branch 'drm-fixes-3.15' of git://people.freedesktop.org/~deathsimple/linux into drm-fixes

this is the next pull quested for stashed up radeon fixes for 3.15. As discussed support for Mullins was separated out and will get it's own pull request. Remaining highlights are:
1. Some more patches to better handle PLL limits.
2. Making use of the PFLIP additional to the VBLANK interrupt, otherwise we sometimes miss page flip events.
3. Fix for the UVD command stream parser.
4. Fix for bootup UVD clocks on RV7xx systems.
5. Adding missing error check on dpcd reads.
6. Fixes number of banks calculation on SI.

* 'drm-fixes-3.15' of git://people.freedesktop.org/~deathsimple/linux:
  drm/radeon: lower the ref * post PLL maximum
  drm/radeon: check that we have a clock before PLL setup
  drm/radeon: drm/radeon: add missing radeon_semaphore_free to error path
  drm/radeon: Fix num_banks calculation for SI
  drm/radeon/dp: check for errors in dpcd reads
  drm/radeon: avoid high jitter with small frac divs
  drm/radeon: check buffer relocation offset
  drm/radeon: use pflip irq on R600+ v2
  drm/radeon/uvd: use lower clocks on old UVD to boot v2

11 years agoARM: OMAP2+: Enable CPUidle in omap2plus_defconfig omap-for-v3.16/pm-signed
Tony Lindgren [Tue, 6 May 2014 00:27:39 +0000 (17:27 -0700)]
ARM: OMAP2+: Enable CPUidle in omap2plus_defconfig

Enable CPUidle so it's easier for maintainers to notice
if some future code changes cause regressions.

Cc: Kevin Hilman <khilman@linaro.org>
Cc: Nishanth Menon <nm@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: Enable N900 keyboard sleep leds by default
Tony Lindgren [Tue, 6 May 2014 00:27:38 +0000 (17:27 -0700)]
ARM: dts: Enable N900 keyboard sleep leds by default

On N900 there are nice LEDs that show the state of the
sys_clkreq and sys_off_mode pins.

These LEDs go low when the system enters deeper idle
states. The left LED shows the state of the sys_clkreq
pin, and goes off during retention idle. The right LED
shows the state of sys_off_mode pin and both go off
during off idle.

As N900 is a battery operated device, these LEDs should
be off most of the time. So let's enable them by default
so we can make sure the system is mostly idle.

This allows the maintainers to also immediately test
patches for PM regressions by looking at the LEDs,
which certainly makes my life easier.

The LED can naturally be disabled during runtime with:

# echo none > /sys/class/leds/debug::sleep/trigger

Note that we don't currently have support for omap3
errata 1.158 that remuxes GPIO pins to INPUT_PULLUP |
MUX_MODE7 for the duration of idle. This means that the
GPIO pins set high will go down during off idle. In this
case it does not matter as the sys_off_mode goes down
too, but there's still a slim chance of false off idle
LED signals. If in doubt, false LED signals can be
verified by the sys_off_mode or vdd_core values.

Also note that to allow the UARTs to autoidle, the
following needs to be run on N900 to enable off idle:

#!/bin/sh
uarts=$(find /sys/class/tty/ttyO*/device/power/ -type d)
for uart in $uarts; do
echo 3000 > $uart/autosuspend_delay_ms
done

uarts=$(find /sys/class/tty/ttyO*/power/ -type d)
for uart in $uarts; do
echo enabled > $uart/wakeup
echo auto > $uart/control
done

echo 1 > /sys/kernel/debug/pm_debug/enable_off_mode

For retention idle, change the above to set 0 to
enable_off_mode.

Also note that without the twl4030 PM scripts the actual
voltage scaling won't happen for off idle so we only get
voltage scaling over I2C4 for retention idle. I'll do
some device tree patches for those also a bit later on.

Cc: Kevin Hilman <khilman@linaro.org>
Cc: Nishanth Menon <nm@ti.com>
Cc: Pali Rohár <pali.rohar@gmail.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi>
[tony@atomide.com: also make sure the LEDs get built to see PM regressions]
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP2+: Fix voltage scaling init for device tree
Tony Lindgren [Tue, 6 May 2014 00:27:37 +0000 (17:27 -0700)]
ARM: OMAP2+: Fix voltage scaling init for device tree

We are currently disabling the init of voltage scaling
for device tree. With the voltage scaling problems fixed
for omap3 in general, there's no need to disable the voltage
scaling init for device tree based booting.

Cc: Kevin Hilman <khilman@linaro.org>
Cc: Nishanth Menon <nm@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: Configure omap3 twl4030 I2C4 pins by default
Tony Lindgren [Tue, 6 May 2014 00:27:37 +0000 (17:27 -0700)]
ARM: dts: Configure omap3 twl4030 I2C4 pins by default

Almost certainly any sane board has the twl4030 has the I2C4
pins connected as those are needed for voltage control during
idle. If the I2C4 lines are not properly muxed, any voltage
scaling over I2C4 will fail.

Let's mux those pins by default, the boards that are not using
them can still configure things separately.

Cc: Kevin Hilman <khilman@linaro.org>
Cc: Nishanth Menon <nm@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP3: Fix voltage control for deeper idle states
Tony Lindgren [Tue, 6 May 2014 00:27:36 +0000 (17:27 -0700)]
ARM: OMAP3: Fix voltage control for deeper idle states

Currently we're attempting to use a static value for the
voltctrl register that only works for controlling the PMIC
over I2C4. For using sys_off_mode signaling, we need to update
update clksetup, voltsetup1, voltsetup2 and voltctrl registers
dynamically depending on the idle state.

So let's fix this by configuring things for I2C4 controlled idle
and sys_off_mode pin controlled idle, and then write the
configured register values depending on the idle state. This
is similar what N900 kernel is doing too.

Cc: Kevin Hilman <khilman@linaro.org>
Cc: Nishanth Menon <nm@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>