83237 Commits

Author SHA1 Message Date
Alexandre Courbot
8d9849b051 ARM: tegra: defconfig fixes
The AK8975 Kconfig option was renamed during the 3.10 merge window.
Adjust tegra_defconfig to enable the new name, so it's not missing
useful features.

Tegra DRM support used to be enabled in the default Tegra configuration,
but it now depends on CONFIG_TEGRA_HOST1X which is disabled by default.
Enable CONFIG_TEGRA_HOST1X so that DRM support is compiled in again.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
[swarren, squashed Alex's and my changes together]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-05-20 23:50:34 -07:00
Linus Walleij
b98da4db29 ARM: nomadik: fix IRQ assignment for SMC ethernet
The assignment of IRQ for the SMC91x ethernet adapter had two
problems making it non-working:

- It was not put into the ethernet device node. Let's do this
  by using the board-specific overlay, so we can make other
  overlays on other Nomadik boards.

- The IRQ number was actually completely wrong, this was the
  number for NHK8815, not S8815.

After this ethernet starts working on the USB S8815.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-05-20 23:49:51 -07:00
Olof Johansson
d595f0a0c5 Some ux500 fixes for the v3.10-rc series:
- Fixes up the debug UART
 - Fix dangerous platform data double-assignment
 - Fix auxdata for the ethernet device
 - Select REGULATOR to satisfy Kconfig
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Merge tag 'ux500-arm-soc-v3.10-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into fixes

From Linus Walleij, some ux500 fixes for the v3.10-rc series:
- Fixes up the debug UART
- Fix dangerous platform data double-assignment
- Fix auxdata for the ethernet device
- Select REGULATOR to satisfy Kconfig

* tag 'ux500-arm-soc-v3.10-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
  ARM: ux500: select REGULATOR
  ARM: ux500: Provide device enumeration number suffix for SMSC911x
  ARM: ux500: Fix incorrect DEBUG UART virtual addresses
  ARM: ux500: Remove duplicated assignment of ab8500_platdata

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-05-20 23:49:04 -07:00
Olof Johansson
a706d8505c The imx fixes for 3.10:
* A few imx6 clock fixes.  Nothing is extremely important, but since
   we're still in early -rc, I send them for 3.10 inclusion.
 
 * Having bootloader handle ARM errata, we will need to replicate the
   diagnostic register of boot cpu into secondary cores, since
   bootloader only sets up boot cpu.  Otherwise, errata workaround simply
   does not work.
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Merge tag 'imx-fixes-3.10' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes

From Shawn Guo, imx fixes for 3.10:

- A few imx6 clock fixes.  Nothing is extremely important, but since
  we're still in early -rc, I send them for 3.10 inclusion.
- Having bootloader handle ARM errata, we will need to replicate the
  diagnostic register of boot cpu into secondary cores, since
  bootloader only sets up boot cpu.  Otherwise, errata workaround simply
  does not work.

* tag 'imx-fixes-3.10' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: imx: fix typo in gpu3d_shader_sels
  ARM: imx: replicate the diagnostic register of boot cpu into secondary cores
  ARM i.MX6: correct MLB clock configuration
  ARM i.MX6q: Fix periph_clk2_sel and periph2_clk2_sel clocks

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-05-20 23:46:46 -07:00
Olof Johansson
7a7e3472dc Merge tag 'fixes-3.10-2' of git://git.infradead.org/users/jcooper/linux into fixes
From Jason Cooper, mvebu fixes for v3.10 (round 2):
 - mvebu (and orion SoCs)
    - remove init_dma_coherent_pool_size()
 - mvebu
    - fix ranges DT property
    - fix DT reg value for L2 cache
    - select ARCH_REQUIRE_GPIOLIB
 - orion legacy
    - fix num_resources and id for ge10 and ge11

* tag 'fixes-3.10-2' of git://git.infradead.org/users/jcooper/linux:
  ARM: dts: mvebu: Fix wrong the address reg value for the L2-cache node
  ARM: plat-orion: Fix num_resources and id for ge10 and ge11
  arm: mvebu: fix the 'ranges' property to handle PCIe
  ARM: mvebu: select ARCH_REQUIRE_GPIOLIB for mvebu platform
  ARM: mvebu: Fix ranges entry on XP GP board
  ARM: Orion: Remove redundant init_dma_coherent_pool_size()

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-05-20 23:43:29 -07:00
Olof Johansson
7ad915f5eb Fixes for omaps:
- a section mismatch fix for hwmod
 - boot fix for omap2plus_defconfig for omap2
 - musb interrupt fix when using device tree
 - am33xx clock fix that I missed earlier somehow
 - omap1 dma return code error fix
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Merge tag 'omap-for-v3.10-rc1/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

From Tony Lindgren, fixes for omaps:
- a section mismatch fix for hwmod
- boot fix for omap2plus_defconfig for omap2
- musb interrupt fix when using device tree
- am33xx clock fix that I missed earlier somehow
- omap1 dma return code error fix

* tag 'omap-for-v3.10-rc1/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: AM33XX: Add missing .clkdm_name to clkdiv32k_ick clock
  ARM: OMAP2+: Add missing CONFIG_ARCH_MULTI_V6=y to omap2plus_defconfig
  ARM: OMAP: fix error return code in omap1_system_dma_init()
  ARM: OMAP: fix __init section mismatch for _enable_preprogram
  ARM: dts: Fix musb interrupt for device tree booting

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-05-20 23:43:24 -07:00
Srinivas Kandagatla
9f8466c6e0 ARM: vt8500: Add missing NULL terminator in dt_compat
When I tried booting a stih415 Dual core A9 with multi_v7_defconfig, it
failed to boot. The issues seems to be changing by enabling or disabling
VT8550 platform. Having a quick look at dt_compat list, it seems to miss
a NULL terminator, which means of_flat_dt_match will compat check will
cross the boundary of dt_compat and fault at some point , which is what
was happening in my case.

Without this patch if we try to boot multi_v7_defconfig you might notice
that some of the platforms might fault if they fall after vt8500 in
machine-desc list. Other platforms which fall before vt8500 in mdesc list
will not fault.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Acked-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-05-20 23:30:54 -07:00
Olof Johansson
8582df0f63 Merge tag 'at91-fixes' of git://github.com/at91linux/linux-at91 into fixes
From Nicolas Ferre:
An important revert on at91rm9200 platform related
to timers that prevented the platform to boot properly.
Then one pinctrl adjustments for SPI CS and a couple of
trivial typos.

* tag 'at91-fixes' of git://github.com/at91linux/linux-at91:
  ARM: at91: rm9200 fix time support
  ARM: at91: dts: request only spi cs-gpios used on sama5d3x cpu module
  ARM: at91/trivial: typo in GEM compatible string
  ARM: at91/trivial: fix model name for SAM9X25-EK

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-05-20 23:30:50 -07:00
Olof Johansson
4ae608e137 mvebu fixes for v3.10 round 1
- mvebu
     - duplicate alias removal
     - augment new internal-regs dt node with proper ranges node
 
  - kirkwood
     - stable fix for QNAP TS-11x/TS-21x enabling PCIe port 1
 
  - plat-orion
     - missing ehci include in common.h.  needed within common.h.
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Merge tag 'fixes-3.10-1' of git://git.infradead.org/users/jcooper/linux into fixes

From Jason Cooper, mvebu fixes for v3.10:
 - mvebu
    - duplicate alias removal
    - augment new internal-regs dt node with proper ranges node
 - kirkwood
    - stable fix for QNAP TS-11x/TS-21x enabling PCIe port 1
 - plat-orion
    - missing ehci include in common.h.  needed within common.h.

* tag 'fixes-3.10-1' of git://git.infradead.org/users/jcooper/linux:
  ARM: mvebu: Add a ranges entry to translate devbus childs
  ARM: plat-orion: add missing ehci include to common.h
  Kirkwood: Enable PCIe port 1 on QNAP TS-11x/TS-21x
  ARM: mvebu: do not duplicate the mpic alias

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-05-20 23:30:43 -07:00
Linus Torvalds
5e427ec2d0 x86: Fix bit corruption at CPU resume time
In commit 78d77df71510 ("x86-64, init: Do not set NX bits on non-NX
capable hardware") we added the early_pmd_flags that gets the NX bit set
when a CPU supports NX. However, the new variable was marked __initdata,
because the main _use_ of this is in an __init routine.

However, the bit setting happens from secondary_startup_64(), which is
called not only at bootup, but on every secondary CPU start.  Including
resuming from STR and at CPU hotplug time.  So the value cannot be
__initdata.

Reported-bisected-and-tested-by: Michal Hocko <mhocko@suse.cz>
Cc: stable@vger.kernel.org # v3.9
Acked-by: Peter Anvin <hpa@linux.intel.com>
Cc: Fernando Luis Vázquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-05-20 11:36:03 -07:00
Gregory CLEMENT
489e138eec ARM: dts: mvebu: Fix wrong the address reg value for the L2-cache node
During the conversion to the internal-regs' subnode, the L2-cache node
haven not been converted (due to a wrong choice made by myself during
the resolution of the merge conflict when I rebased the commit). This
leads to wrong address for L2 cache which prevent it to be used on
Armada 370. This commit fix the address reg of the e L2-cache node.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-05-20 17:44:54 +00:00
Gregory CLEMENT
2b8b279714 ARM: plat-orion: Fix num_resources and id for ge10 and ge11
When platform data were moved from arch/arm/mach-mv78xx0/common.c to
arch/arm/plat-orion/common.c with the commit "7e3819d ARM: orion:
Consolidate ethernet platform data", there were few typo made on
gigabit Ethernet interface ge10 and ge11. This commit writes back
their initial value, which allows to use this interfaces again.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Cc: <stable@vger.kernel.org> # v3.0.x
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-05-20 17:39:07 +00:00
Bjorn Helgaas
f3f011750a Revert "x86/pci/mrst: Use configuration mechanism 1 for 00:00.0, 00:02.0, 00:03.0"
This reverts commit dd72be99d11dbf738d910a38479ce414a51eb21e.

Andy Shevchenko <andy.shevchenko@gmail.com> reported that this commit
broke Intel Medfield devices.

Reference: https://lkml.kernel.org/r/CAHp75Vdf6gFZChS47=grUygHBDWcoOWDYPzw+Zj5bdVCWj85Jw@mail.gmail.com
Reported-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2013-05-20 10:20:21 -06:00
Santosh Shilimkar
3260c76055 ARM: OMAP2+: hwmod: Remove sysc slave idle and auto idle apis
With the OMAP serial driver sysc cleanup patches in this series, we can
now remove the hwmod external apis for sysc fiddling.

While at this, also remove unused sysc auto idle api from hwmod code.

Tested-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Tested-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Rajendra nayak <rnayak@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>  # OMAP4/Panda
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-05-19 16:37:15 -06:00
Santosh Shilimkar
e59cd225c0 ARM: OMAP2+: serial: Remove the un-used slave idle hooks
UART IP idle handling now taken care by runtime pm backend(hwmod) indirectly
and OMAP serial driver is also cleaned up accordingly.

So remove the un-used slave idle platforms hooks now.

Tested-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Tested-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Rajendra nayak <rnayak@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>  # OMAP4/Panda
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-05-19 16:37:01 -06:00
Santosh Shilimkar
66dde54e97 ARM: OMAP2+: hwmod-data: UART IP needs software control to manage sidle modes
OMAP UART IP needs software control for slave idle modes based on functional
state of the IP. i.e The IP slave idle settings should be set to 'noidle' when
being used and then put back to 'smart_idle' when unused. Currently this is
handled by the driver with function pointers implemented in platform code.
This however breaks in case of device tree because of missing idle handling
APIs.

Previous patches in this series added a flag HWMOD_SWSUP_SIDLE_ACTIVE which
takes care of the mentioned requirement. Hence add the flag for all UART IPs
to take advantage of feature supported by framework.

Subsequent patches removes the slave idle handling from driver code.

Tested-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Tested-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>  # OMAP4/Panda
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-05-19 16:36:55 -06:00
Rajendra Nayak
ca43ea345d ARM: OMAP2+: hwmod: Add a new flag to handle SIDLE in SWSUP only in active
Some IPs (like UART) need the sidle mode to be controlled in SW only
while they are active. Once they go inactive, they need the IP to be
put back in HW control so they are also wakeup capable.

The flag HWMOD_SWSUP_SIDLE takes care of IPs which need the sidle
mode to be *always* controlled in SWSUP. We now have a need to control
IPs sidle mode in SWSUP only while its active.

So define a new flag 'HWMOD_SWSUP_SIDLE_ACT' to help the framework
know about these new IP requirements.

Tested-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Tested-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>  # OMAP4/Panda
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-05-19 16:36:34 -06:00
Rajendra Nayak
35513171ee ARM: OMAP2+: hwmod: Fix sidle programming in _enable_sysc()/_idle_sysc()
_enable_sysc() and _idle_sysc() handle the midle mode programming correctly
and program HWMOD_IDLEMODE_SMART or HWMOD_IDLEMODE_SMART_WKUP respectively
for supported IPs (The ones which support hardware controlled midle modes)

However the same programming logic is missing when it comes to sidle mode
programming. Here they seem to just set HWMOD_IDLEMODE_SMART (Again for the
ones which support hardware controlled sidle modes)

This problem was hidden due to the fact that a call to _enable_wakeup()
in those same functions would overwrite the idlemodes and program them
correctly (to HWMOD_IDLEMODE_SMART_WKUP in the supported cases)

So fix the sidlemode handling correctly in these functions and handle the
_enable_wakeup() for SIDLEMODE supported IPs same as the way its handled
for MIDLEMODE supported ones.

Tested-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Tested-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>  # OMAP4/Panda
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-05-19 16:34:02 -06:00
Thomas Petazzoni
8eed481e6f arm: mvebu: fix the 'ranges' property to handle PCIe
Since 82a682676 ('ARM: dts: mvebu: Convert all the mvebu files to use
the range property') all the device nodes of Armada 370/XP are under a
common 'ranges' property that translates the device register addresses
into their absolute address, thanks to the base address of the
internal register space.

However, beyond just the register areas, there are also PCIe I/O and
memory regions, whose addresses should be properly translated. This
patch fixes the Armada 370 and XP ranges property to take PCIe into
account properly.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-05-19 20:25:17 +00:00
Gregory CLEMENT
c689cbac25 ARM: mvebu: select ARCH_REQUIRE_GPIOLIB for mvebu platform
Initially ARCH_REQUIRE_GPIOLIB was part of Thomas Petazzoni series
when he introduced the gpiolib support for mvebu:
93a59cf arm: mvebu: use GPIO support now that a driver is available

This commit was written to be applied for the ARCH_MVEBU which was
located in arch/arm/KConfig and was merged in 3.7.

In the same time Rob Herring moved the ARCH_MVEBU block to
arch/arm/mach-mvebu/Kconfig with this commit and also merged in 3.7:
387798b ARM: initial multiplatform support

Unfortunately the ARCH_REQUIRE_GPIOLIB have been lost during this
migration. This was not noticed until the v3.10-rc1, because mvebu as
part of ARCH_MULTIPLATFORM was always selected with ARCH_VEXPRESS, and
this architect selected ARCH_REQUIRE_GPIOLIB.

Since the following commit from Arnd: "883a106 ARM: default machine
descriptor for multiplatform", ARCH_VEXPRESS was then no more selected
by default with ARCH_MVEBU and it made appeared the lack of
ARCH_REQUIRE_GPIOLIB for mvebu. This commit added back the selection
of ARCH_REQUIRE_GPIOLIB for ARCH_MVEBU.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-05-19 19:38:59 +00:00
Ralf Baechle
8b9232141b MIPS: Rewrite pfn_valid to work in modules, too.
This fixes:

  MODPOST 393 modules
ERROR: "min_low_pfn" [arch/mips/kvm/kvm.ko] undefined!
make[3]: *** [__modpost] Error 1

It would have been possible to just export min_low_pfn but in the end
pfn_valid should return 1 for any pfn argument for which a struct page
exists so using min_low_pfn was wrong anyway.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-19 09:56:58 +02:00
Linus Torvalds
e51066824a Merge branch 'devm_no_resource_check' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull devm usage cleanup from Wolfram Sang:
 "Lately, I have been experimenting how to improve the devm interface to
  make writing device drivers easier and less error prone while also
  getting rid of its subtle issues.  I think it has more potential but
  still needs work and definately conistency, especiall in its usage.

  The first thing I come up with is a low hanging fruit regarding
  devm_ioremap_resouce().  This function already checks if the passed
  resource is valid and gives an error message if not.  So, we can
  remove similar checks from the drivers and get rid of a bit of code
  and a number of inconsistent error strings.

  This series only removes the unneeded check iff devm_ioremap_resource
  follows platform_get_resource directly.  The previous version tried to
  shuffle code if needed, too, what lead to an embarrasing bug.  It
  turned out to me that shuffling code for all cases found will make the
  automated script too complex, so I am unsure if an automated cleanup
  is the proper tool for this case.  Removing the easy stuff seems
  worthwhile to me, though.

  Despite various architectures and platform dependencies, I managed to
  compile test 45 out of 57 modified files locally using heuristics and
  defconfigs."

Pulled because: 296 deletions, 0 additions.

* 'devm_no_resource_check' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (33 commits)
  sound/soc/kirkwood: don't check resource with devm_ioremap_resource
  sound/soc/fsl: don't check resource with devm_ioremap_resource
  arch/mips/lantiq/xway: don't check resource with devm_ioremap_resource
  arch/arm/plat-samsung: don't check resource with devm_ioremap_resource
  arch/arm/mach-tegra: don't check resource with devm_ioremap_resource
  drivers/watchdog: don't check resource with devm_ioremap_resource
  drivers/w1/masters: don't check resource with devm_ioremap_resource
  drivers/video/omap2/dss: don't check resource with devm_ioremap_resource
  drivers/video/omap2: don't check resource with devm_ioremap_resource
  drivers/usb/phy: don't check resource with devm_ioremap_resource
  drivers/usb/host: don't check resource with devm_ioremap_resource
  drivers/usb/gadget: don't check resource with devm_ioremap_resource
  drivers/usb/chipidea: don't check resource with devm_ioremap_resource
  drivers/thermal: don't check resource with devm_ioremap_resource
  drivers/staging/nvec: don't check resource with devm_ioremap_resource
  drivers/staging/dwc2: don't check resource with devm_ioremap_resource
  drivers/spi: don't check resource with devm_ioremap_resource
  drivers/rtc: don't check resource with devm_ioremap_resource
  drivers/pwm: don't check resource with devm_ioremap_resource
  drivers/pinctrl: don't check resource with devm_ioremap_resource
  ...
2013-05-18 10:54:54 -07:00
Linus Torvalds
3c6a279ffc Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS fixes from Ralf Baechle:
 "Patching up across the field.  The reversion of the two ASID patches
  is particularly important as it was breaking many platforms."

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: ralink: use the dwc2 driver for the rt305x USB controller
  MIPS: Extract schedule_mfi info from __schedule
  MIPS: Fix sibling call handling in get_frame_info
  MIPS: MSP71xx: remove inline marking of EXPORT_SYMBOL functions
  MIPS: Make virt_to_phys() work for all unmapped addresses.
  MIPS: Fix build error for crash_dump.c in 3.10-rc1
  MIPS: Xway: Fix clk leak
  Revert "MIPS: Allow ASID size to be determined at boot time."
  Revert "MIPS: microMIPS: Support dynamic ASID sizing."
2013-05-18 10:36:37 -07:00
Linus Torvalds
f71df63380 Fixes for duplicate definition of early_console, kernel/time/Kconfig
include, __flush_dcache_all() set/way computing, debug (locking, bit
 testing). The of_platform_populate() was moved to an arch_init_call() to
 allow subsys_init_call() drivers to probe the DT.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64

Pull arm64 fixes from Catalin Marinas:
 "Fixes for duplicate definition of early_console, kernel/time/Kconfig
  include, __flush_dcache_all() set/way computing, debug (locking, bit
  testing).  The of_platform_populate() was moved to an arch_init_call()
  to allow subsys_init_call() drivers to probe the DT."

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
  arm64: debug: fix mdscr.ss check when enabling debug exceptions
  arm64: Do not source kernel/time/Kconfig explicitly
  arm64: mm: Fix operands of clz in __flush_dcache_all
  arm64: Invoke the of_platform_populate() at arch_initcall() level
  arm64: debug: clear mdscr_el1 instead of taking the OS lock
  arm64: Fix duplicate definition of early_console
2013-05-18 10:20:46 -07:00
Wolfram Sang
02fdb79f36 arch/mips/lantiq/xway: don't check resource with devm_ioremap_resource
devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: John Crispin <blogic@openwrt.org>
2013-05-18 11:59:34 +02:00
Wolfram Sang
c818b58e63 arch/arm/plat-samsung: don't check resource with devm_ioremap_resource
devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2013-05-18 11:59:33 +02:00
Wolfram Sang
d7fc0dde96 arch/arm/mach-tegra: don't check resource with devm_ioremap_resource
devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Stephen Warren <swarren@nvidia.com>
2013-05-18 11:58:05 +02:00
Matthijs Kooijman
2792d42fe6 MIPS: ralink: use the dwc2 driver for the rt305x USB controller
This sets up the devicetree file for the rt3050 chip series and rt3052
eval board to use the right compatible string for the dwc2 driver.

Acked-by: John Crispin <blogic@openwrt.org>
Cc: blogic@openwrt.org
Cc: linux-mips@linux-mips.org
Cc: Matthijs Kooijman <matthijs@stdin.nl>
Patchwork: https://patchwork.linux-mips.org/patch/5226/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-17 21:16:59 +02:00
Tony Wu
5000653e92 MIPS: Extract schedule_mfi info from __schedule
schedule_mfi is supposed to be extracted from schedule(), and
is used in thread_saved_pc and get_wchan.

But, after optimization, schedule() is reduced to a sibling
call to __schedule(), and no real frame info can be extracted.

One solution is to compile schedule() with -fno-omit-frame-pointer
and -fno-optimize-sibling-calls, but that will incur performance
degradation.

Another solution is to extract info from the real scheduler,
__schedule, and this is the approache adopted here.

This patch reads the __schedule address by either following
the 'j' call in schedule if KALLSYMS is disabled or by using
kallsyms_lookup_name to lookup __schedule if KALLSYMS is
available, then, extracts schedule_mfi from __schedule frame info.

This patch also fixes the "Can't analyze schedule() prologue"
warning at boot time.

Signed-off-by: Tony Wu <tung7970@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5237/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-17 20:59:35 +02:00
Tony Wu
e7438c4b89 MIPS: Fix sibling call handling in get_frame_info
Given a function, get_frame_info() analyzes its instructions
to figure out frame size and return address. get_frame_info()
works as follows:

1. analyze up to 128 instructions if the function size is unknown
2. search for 'addiu/daddiu sp,sp,-immed' for frame size
3. search for 'sw ra,offset(sp)' for return address
4. end search when it sees jr/jal/jalr

This leads to an issue when the given function is a sibling
call, example shown as follows.

801ca110 <schedule>:
801ca110:       8f820000        lw      v0,0(gp)
801ca114:       8c420000        lw      v0,0(v0)
801ca118:       080726f0        j       801c9bc0 <__schedule>
801ca11c:       00000000        nop

801ca120 <io_schedule>:
801ca120:       27bdffe8        addiu   sp,sp,-24
801ca124:       3c028022        lui     v0,0x8022
801ca128:       afbf0014        sw      ra,20(sp)

In this case, get_frame_info() cannot properly detect schedule's
frame info, and eventually returns io_schedule's instead.

This patch adds 'j' to the end search condition to workaround
sibling call cases.

Signed-off-by: Tony Wu <tung7970@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5236/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-17 20:59:28 +02:00
Denis Efremov
d552b233f6 MIPS: MSP71xx: remove inline marking of EXPORT_SYMBOL functions
EXPORT_SYMBOL and inline directives are contradictory to each other.
The patch fixes this inconsistency.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Denis Efremov <yefremov.denis@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: trivial@kernel.org
Cc: ldv-project@linuxtesting.org
Patchwork: https://patchwork.linux-mips.org/patch/5227/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-17 20:36:32 +02:00
David Daney
49c426ba44 MIPS: Make virt_to_phys() work for all unmapped addresses.
As reported:
  This problem was discovered when doing BGP traffic with the TCP MD5 option
  activated, where the following call chain caused a crash:

   * tcp_v4_rcv
   *  tcp_v4_timewait_ack
   *   tcp_v4_send_ack -> follow stack variable rep.th
   *    tcp_v4_md5_hash_hdr
   *     tcp_md5_hash_header
   *      sg_init_one
   *       sg_set_buf
   *        virt_to_page

  I noticed that tcp_v4_send_reset uses a similar stack variable and
  also calls tcp_v4_md5_hash_hdr, so it has the same problem.

The networking core can indirectly call virt_to_phys() on stack
addresses, if this is done from PID 0, the stack will usually be in
CKSEG0, so virt_to_phys() needs to work there as well

Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: Jiang Liu <liuj97@gmail.com>
Cc: eunb.song@samsung.com
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/5220/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-17 20:36:15 +02:00
EunBong Song
e84ff42500 MIPS: Fix build error for crash_dump.c in 3.10-rc1
This patch fixes crash_dump.c build error. Build error logs are as follow.

arch/mips/kernel/crash_dump.c: In function 'kdump_buf_page_init':
arch/mips/kernel/crash_dump.c:67: error: implicit declaration of function 'kmalloc'
arch/mips/kernel/crash_dump.c:67: error: assignment makes pointer from integer without a cast

Signed-off-by: EunBong Song <eunb.song@samsung.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/5238/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-17 20:36:02 +02:00
Libo Chen
bda97ed39b MIPS: Xway: Fix clk leak
When gptu_r32 fails, we should put clk before returning.

Signed-off-by: Libo Chen <libo.chen@huawei.com>
Acked-by: John Crispin <blogic@openwrt.org>
Cc: grant.likely@linaro.org
Cc: rob.herring@calxeda.com,
Cc: linux-mips@linux-mips.org
Cc: LKML linux-kernel@vger.kernel.org
Cc: Andrew Morton akpm@linux-foundation.org
Cc: Li Zefan lizefan@huawei.com
Patchwork: https://patchwork.linux-mips.org/patch/5247/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-17 20:35:53 +02:00
Will Deacon
3126976be6 arm64: debug: fix mdscr.ss check when enabling debug exceptions
When we take an exception at EL1, we only want to enable debug
exceptions if we're not currently stepping, otherwise we can easily get
stuck in a loop stepping into interrupt handlers.

Unfortunately, the current code tests the wrong bit in the mdscr, so fix
that.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-05-17 18:24:19 +01:00
Vaibhav Hiremath
a6d25f4c95 ARM: AM33XX: Add missing .clkdm_name to clkdiv32k_ick clock
It is required to enable respective clock-domain before
enabling any clock/module inside that clock-domain.

During common-clock migration, .clkdm_name field got missed
for "clkdiv32k_ick" clock, which leaves "clk_24mhz_clkdm"
unused; so it will be disabled even if childs of this clock-domain
is enabled, which keeps child modules in idle mode.

This fixes the kernel crash observed on AM335xEVM-SK platform,
where clkdiv32_ick clock is being used as a gpio debounce clock
and since clkdiv32k_ick is in idle mode it leads to below crash -

Crash Log:
==========
[    2.598347] Unhandled fault: external abort on non-linefetch (0x1028) at
0xfa1ac150
[    2.606434] Internal error: : 1028 [#1] SMP ARM
[    2.611207] Modules linked in:
[    2.614449] CPU: 0    Not tainted  (3.8.4-01382-g1f449cd-dirty #4)
[    2.620973] PC is at _set_gpio_debounce+0x60/0x104
[    2.626025] LR is at clk_enable+0x30/0x3c

Cc: stable@vger.kernel.org # v3.9
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-05-17 10:07:45 -07:00
Ezequiel Garcia
c6c003af0b ARM: mvebu: Fix ranges entry on XP GP board
With the latest device tree reorganization which introduced the
'internal-reg' node, now the only region translated is the internal register's.
This makes the description of the hardware incomplete, for it lacks the
Device Bus childs address space.

In order to fix this, it's required to add a 'ranges' entry with a suitable
address space to map Device Bus childs, on a per-board basis.
This patch fixes the ranges property on the Armada XP GP board.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-05-17 16:53:15 +00:00
Christian Borntraeger
6b8224e40a s390/pgtable: fix ipte notify bit
Dont use the same bit as user referenced.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2013-05-17 11:47:05 +02:00
Martin Schwidefsky
a4eeea4e53 s390/smp: fix cpu re-scan vs. cpu state
The cpu-info array starts with a list of cpus in configured state,
followed by the cpus in standby state. The comparison to decide which
state a cpu has is incorrect, this causes configured cpus appear as
standby cpus. The correct comparison is the index of the new cpu in
the cpu-info array vs. the number of configured cpus.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-05-17 11:47:01 +02:00
David Daney
48c4ac976a Revert "MIPS: Allow ASID size to be determined at boot time."
This reverts commit d532f3d26716a39dfd4b88d687bd344fbe77e390.

The original commit has several problems:

1) Doesn't work with 64-bit kernels.

2) Calls TLBMISS_HANDLER_SETUP() before the code is generated.

3) Calls TLBMISS_HANDLER_SETUP() twice in per_cpu_trap_init() when
   only one call is needed.

[ralf@linux-mips.org: Also revert the bits of the ASID patch which were
hidden in the KVM merge.]

Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: "Steven J. Hill" <Steven.Hill@imgtec.com>
Cc: David Daney <david.daney@cavium.com>
Patchwork: https://patchwork.linux-mips.org/patch/5242/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-16 20:35:42 +02:00
David Daney
8ea6cd7af1 Revert "MIPS: microMIPS: Support dynamic ASID sizing."
This reverts commit f6b06d9361a008afb93b97fb3683a6e92d69d0f4.

The next revert depends on this one, so this has to go too.

Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: "Steven J. Hill" <Steven.Hill@imgtec.com>
Cc: David Daney <david.daney@cavium.com>
Patchwork: https://patchwork.linux-mips.org/patch/5241/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-16 20:34:55 +02:00
Paul Walmsley
a545ec160a ARM: OMAP2+: Add missing CONFIG_ARCH_MULTI_V6=y to omap2plus_defconfig
omap2plus_defconfig is missing CONFIG_ARCH_MULTI_V6.  This results in
undefined instruction traps in u-boot (and boot failures) on OMAP2xxx
SoCs, which are ARM11-based.  Fix by setting CONFIG_ARCH_MULTI_V6.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-05-16 11:25:07 -07:00
Wei Yongjun
a8b09c52a6 ARM: OMAP: fix error return code in omap1_system_dma_init()
Fix to return -ENOMEM in the d->chan alloc error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-05-16 11:25:07 -07:00
jean-philippe francois
0f49703927 ARM: OMAP: fix __init section mismatch for _enable_preprogram
_enable_preprogram is marked as __init, but is called from _enable
which is not. Without this patch, the board oopses after init. Tested
on custom hardware and on beagle board xM. Otherwise we can get:

Unable to handle kernel paging request at virtual address 000b0012
pgd = cf968000
*pgd=8fb06831, *pte=00000000, *ppte=00000000
PREEMPT ARM
Modules linked in:
CPU: 0    Not tainted  (3.9.0 #2)
PC is at _enable_preprogram+0x1c/0x24
LR is at omap_hwmod_enable+0x34/0x60
   psr: 80000093
sp : cf95de08  ip : 00002de5  fp : bec33d4c
r10: 00000000  r9 : 00000002  r8 : b6dd2c78
r7 : 00000004  r6 : 00000000  r5 : a0000013  r4 : cf95c000
r3 : 00000000  r2 : b6dd2c7c  r1 : 00000000  r0 : 000b0012
Flags: Nzcv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 10c5387d  Table: 8f968019  DAC: 00000015
Process otpcmd (pid: 607, stack limit = 0xcf95c230)
Stack: (0xcf95de08 to 0xcf95e000)
de00:                   00000001 cf91f840 00000000 c001d6fc 00000002 cf91f840
de20: cf8f7e10 c001de54 cf8f7e10 c001de78 c001de68 c01d5e80 00000000 cf8f7e10
de40: cf8f7e10 c01d5f28 cf8f7e10 c0530d30 00000000 c01d6f28 00000000 c0088664
de60: b6ea1000 cfb05284 cf95c000 00000001 cf95c000 60000013 00000001 cf95dee4
de80: cf870050 c01d7308 cf870010 cf870050 00000001 c0278b14 c0526f28 00000000
dea0: cf870050 ffff8e18 00000001 cf95dee4 00000000 c0274f7c cf870050 00000001
dec0: cf95dee4 cf1d8484 000000e0 c0276464 00000008 cf9c0000 00000007 c0276980
dee0: cf9c0000 00000064 00000008 cf1d8404 cf1d8400 c01cc05c 0000270a cf1d8504
df00: 00000023 cf1d8484 00000007 c01cc670 00000bdd 00000001 00000000 cf449e60
df20: cf1dde70 cf1d8400 bec33d18 cf1d8504 c0246f00 00000003 cf95c000 00000000
df40: bec33d4c c01cd078 00000003 cf1d8504 00000081 c01cbcb8 bec33d18 00000003
df60: bec33d18 c00a9034 00002000 c00a9c68 cf92fe00 00000003 c0246f00 cf92fe00
df80: 00000000 c00a9cb0 00000003 00000000 00008e70 00000000 b6f17000 00000036
dfa0: c000e484 c000e300 00008e70 00000000 00000003 c0246f00 bec33d18 bec33d18
dfc0: 00008e70 00000000 b6f17000 00000036 00000000 00000000 b6f6d000 bec33d4c
dfe0: b6ea1bd0 bec33d0c 00008c9c b6ea1bdc 60000010 00000003 00000000 00000000
(_omap_device_enable_hwmods+0x20/0x34)
(omap_device_enable+0x3c/0x50)
(_od_runtime_resume+0x10/0x1c)
(__rpm_callback+0x54/0x98)
(rpm_callback+0x64/0x7c)
(rpm_resume+0x434/0x554)
(__pm_runtime_resume+0x48/0x74)
(omap_i2c_xfer+0x28/0xe8)
(__i2c_transfer+0x3c/0x78)
(i2c_transfer+0x6c/0xc0)
(i2c_master_send+0x38/0x48)
(sha204p_send_command+0x60/0x9c)
(sha204c_send_and_receive+0x5c/0x1e0)
(sha204m_read+0x94/0xa0)
(otp_do_read+0x50/0xa4)
(vfs_ioctl+0x24/0x40)
(do_vfs_ioctl+0x1b0/0x1c0)
(sys_ioctl+0x38/0x54)
(ret_fast_syscall+0x0/0x30)
Code: e1a08002 ea000009 e598003c e592c05c (e7904003)

Cc: stable@vger.kernel.org
Signed-off-by: Jean-Philippe Fran=C3=A7ois <jp.francois@cynove.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
[tony@atomide.com: updated description with oops]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-05-16 11:25:07 -07:00
Tony Lindgren
304e71e0ad ARM: dts: Fix musb interrupt for device tree booting
Commit ad871c10 (ARM: dts: OMAP: Add usb_otg and glue data to
OMAP3+ boards) added support for MUSB on omap3 for device tree,
but added the interrupts the wrong way probably as they were
copied from the omap4.dtsi file. On omap3 we have TI specific
interrupt controller, not GIC.

Fix this by specifying the interrupt following the TI INTC
binding.

Without this fix MUSB won't work as it is trying to use
irq0 instead of irq92.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-05-16 08:18:57 -07:00
Linus Torvalds
ae3b29e67c Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:

 - Fix for a CPU hot-add deadlock in microcode update code

 - Fix for idle consolidation fallout

 - Documentation update for initial kernel direct mapping

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mm: Add missing comments for initial kernel direct mapping
  x86/microcode: Add local mutex to fix physical CPU hot-add deadlock
  x86: Fix idle consolidation fallout
2013-05-15 14:07:53 -07:00
Linus Torvalds
cc51bf6e6d Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:

 - Cure for not using zalloc in the first place, which leads to random
   crashes with CPUMASK_OFF_STACK.

 - Revert a user space visible change which broke udev

 - Add a missing cpu_online early return introduced by the new full
   dyntick conversions

 - Plug a long standing race in the timer wheel cpu hotplug code.
   Sigh...

 - Cleanup NOHZ per cpu data on cpu down to prevent stale data on cpu
   up.

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  time: Revert ALWAYS_USE_PERSISTENT_CLOCK compile time optimizaitons
  timer: Don't reinitialize the cpu base lock during CPU_UP_PREPARE
  tick: Don't invoke tick_nohz_stop_sched_tick() if the cpu is offline
  tick: Cleanup NOHZ per cpu data on cpu down
  tick: Use zalloc_cpumask_var for allocating offstack cpumasks
2013-05-15 14:05:17 -07:00
Linus Torvalds
37cae5e249 Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fixes from Thomas Gleixner:

 - Two fixlets for the fallout of the generic idle task conversion

 - Documentation update

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  rcu/idle: Wrap cpu-idle poll mode within rcu_idle_enter/exit
  idle: Fix hlt/nohlt command-line handling in new generic idle
  kthread: Document ways of reducing OS jitter due to per-CPU kthreads
2013-05-15 14:04:00 -07:00
Linus Torvalds
d21572c515 Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM fixes from Russell King:
 "A small number of fixes for stuff from the last merge window, and in
  one case (IRQ time accounting) the previous merge window."

* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
  ARM: 7720/1: ARM v6/v7 cmpxchg64 shouldn't clear upper 32 bits of the old/new value
  ARM: 7715/1: MCPM: adapt to GIC changes after upstream merge
  ARM: 7714/1: mmc: mmci: Ensure return value of regulator_enable() is checked
  ARM: 7712/1: Remove trailing whitespace in arch/arm/Makefile
  ARM: 7711/1: dove: fix Dove cpu type from V7 to PJ4
  ARM: finally enable IRQ time accounting config
2013-05-15 13:37:54 -07:00
Alan Stern
98f541c6e3 USB: remove remaining instances of USB_SUSPEND
Commit 84ebc10294a3d7be4c66f51070b7aedbaa24de9b (USB: remove
CONFIG_USB_SUSPEND option) failed to remove all of the usages of
USB_SUSPEND throughout the kernel.  This patch (as1677) removes the
remaining instances of that symbol.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-15 13:44:44 -04:00