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Commit Graph

26816 Commits

Author SHA1 Message Date
Olof Johansson
a6f9061408 mvebu fixes non-critical for v3.11 (round 2)
- mvebu
     - mv78260: catch missing fix for mvneta register length
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Merge tag 'fixes-non-3.11-2' of git://git.infradead.org/users/jcooper/linux into next/fixes-non-critical

From Jason Cooper:
 - mv78260: catch missing fix for mvneta register length

* tag 'fixes-non-3.11-2' of git://git.infradead.org/users/jcooper/linux:
  ARM: mvebu: fix length of ethernet registers in mv78260 dtsi

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-25 10:08:26 -07:00
Arnd Bergmann
ab1824636d ARM: mxs: don't select HAVE_PWM
The HAVE_PWM symbol is only for legacy platforms that provide
the PWM API without using the generic framework. MXS actually
uses that framework, and selecting the symbol anyway might
cause build errors like

drivers/built-in.o: In function `pwm_beeper_resume':
:(.text+0x1f4fc0): undefined reference to `pwm_config'
:(.text+0x1f4fc8): undefined reference to `pwm_enable'
drivers/built-in.o: In function `pwm_beeper_suspend':
:(.text+0x1f4ffc): undefined reference to `pwm_disable'

when CONFIG_PWM is disabled.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Shawn Guo <shawn.guo@linaro.org>
2013-06-24 16:04:12 +02:00
Arnd Bergmann
7a9caf59f6 ARM: mxs: stub out mxs_pm_init for !CONFIG_PM
When building a kernel without CONFIG_PM, we get a link
error from referencing mxs_pm_init in the machine
descriptor. This defines a macro to NULL for that case.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
2013-06-24 16:03:13 +02:00
Ezequiel Garcia
cdd8e498c9 ARM: mvebu: fix length of ethernet registers in mv78260 dtsi
The length of the registers area for the Marvell 370/XP Ethernet controller
was incorrect in the .dtsi: 0x2500, while it should have been 0x4000.
This problem wasn't noticed because there used to be a static mapping for
all the MMIO register region set up by ->map_io().

The register length was fixed in all the other device tree files,
except from the armada-xp-mv78260.dtsi, in the following commit:

  commit cf8088c5ca
  Author: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
  Date:   Tue May 21 12:33:27 2013 +0200

    arm: mvebu: fix length of Ethernet registers area in .dtsi

This commit fixes a kernel panic in mvneta_probe(), when the kernel
tries to access the unmapped registers:

[  163.639092] mvneta d0070000.ethernet eth0: mac: 6e:3c:4f:87:17:2e
[  163.646962] mvneta d0074000.ethernet eth1: mac: 6a:04:4e:6f:f5:ef
[  163.654853] mvneta d0030000.ethernet eth2: mac: 2a:99:19:19:fc:4c
[  163.661258] Unable to handle kernel paging request at virtual address f011bcf0
[  163.668523] pgd = c0004000
[  163.671237] [f011bcf0] *pgd=2f006811, *pte=00000000, *ppte=00000000
[  163.677565] Internal error: Oops: 807 [#1] SMP ARM
[  163.682370] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.10.0-rc6-01850-gba0682e #11
[  163.690046] task: ef04c000 ti: ef03e000 task.ti: ef03e000
[  163.695467] PC is at mvneta_probe+0x34c/0xabc
[...]

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-06-23 21:46:12 +00:00
Arnd Bergmann
51bbd7de49 Two non critical fixes that can go in 3.11.
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Merge tag 'at91-fixes' of git://github.com/at91linux/linux-at91 into next/fixes-non-critical

From Nicolas Ferre:

Two non critical fixes that can go in 3.11.

* tag 'at91-fixes' of git://github.com/at91linux/linux-at91:
  ARM: at91: Change the internal SRAM memory type MT_MEMORY_NONCACHED
  ARM: at91: Fix link breakage when !CONFIG_PHYLIB

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-06-20 15:13:31 +02:00
Arnd Bergmann
c5dece37c5 ARM: sirf: use CONFIG_SIRF rather than CONFIG_PRIMA2 where necessary
I got a build error today that made me realize that it is not
possible to build a kernel for a SiRF platform without enabling
CONFIG_PRIMA2, since a lot of common code depends on CONFIG_PRIMA2.

This fixes all occurences that appear like common SiRF code.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Mark Brown <broonie@linaro.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Barry Song <Baohua.Song@csr.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
2013-06-20 01:36:24 +02:00
Wenyou Yang
133e00116b ARM: at91: Change the internal SRAM memory type MT_MEMORY_NONCACHED
Because MT_DEVICE is not executable in armv7, we change
the internal SRAM memory type to MT_MEMORY_NONCACHED.
As it seems that caching this internal SRAM memory is not necessary,
we chose the this memory type.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-06-18 10:20:30 +02:00
Alexandre Belloni
0580ed3637 ARM: at91: Fix link breakage when !CONFIG_PHYLIB
Fixes:
arch/arm/mach-at91/built-in.o: In function `ksz9021rn_phy_fixup':
:(.text+0x1174): undefined reference to `mdiobus_write'
:(.text+0x1188): undefined reference to `mdiobus_write'
:(.text+0x119c): undefined reference to `mdiobus_write'
:(.text+0x11b0): undefined reference to `mdiobus_write'
arch/arm/mach-at91/built-in.o: In function `sama5_dt_device_init':
:(.init.text+0x1e34): undefined reference to `phy_register_fixup_for_uid'

when CONFIG_PHYLIB is not selected.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-06-18 10:20:22 +02:00
Olof Johansson
f1324f69c0 Some minor fixes for MSM for 3.11
I don't expect these to be necessary for stable, since the fixes are
 to recently added code.  The strncpy fix is only in debug code that
 isn't normally compiled or used (and is being removed in upcoming
 patches).
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Merge tag 'msm-fix-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm into next/fixes-non-critical

From David Brown:
Some minor fixes for MSM for 3.11

I don't expect these to be necessary for stable, since the fixes are
to recently added code.  The strncpy fix is only in debug code that
isn't normally compiled or used (and is being removed in upcoming
patches).

* tag 'msm-fix-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm:
  gpio: msm-v1: Remove errant __devinit to fix compile
  mfd: ssbi: Add MODULE_DEVICE_TABLE
  ARM: dts: msm: Fix bad register addresses
  arch: arm: mach-msm: using strlcpy instead of strncpy

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-14 18:21:37 -07:00
Olof Johansson
0d6128f85a This pull request contains a trival change
to drop a stale maintainer name and address.
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Merge tag 'davinci-for-v3.11/board' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/fixes-non-critical

From Sekhar Nori:
This pull request contains a trival change
to drop a stale maintainer name and address.

* tag 'davinci-for-v3.11/board' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: davinci: remove stale SFFSDR maintainer name

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-14 15:25:54 -07:00
Olof Johansson
9d6dec733b Non-critical fixes for omaps for v3.11 merge window.
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Merge tag 'omap-for-v3.11/fixes-non-critical-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical

From Tony Lindgren:
Non-critical fixes for omaps for v3.11 merge window.

* tag 'omap-for-v3.11/fixes-non-critical-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: omap-usb-host: Fix memory leaks
  ARM: OMAP2+: Fix serial init for device tree based booting
  arm/omap: use const char properly
  ARM: OMAP2+: devices: Do not print error when dss_hdmi hwmod lookup fails
  ARM: OMAP2+: devices: Do not print error when DMIC hwmod lookup fails
  ARM: OMAP2+: devices: Do not print error when McPDM hwmod lookup fails
  ARM: OMAP: add vdds_sdi supply for omapdss_sdi.0
  ARM: OMAP: add vdds_dsi supply for omapdss_dpi.0
  ARM: OMAP: fix dsi regulator names
  + Linux 3.10-rc5

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-14 14:07:53 -07:00
Hugo Villeneuve
e57a9a4b97 ARM: davinci: remove stale SFFSDR maintainer name
The maintainer entry for SFFSDR board contained in the
board file is stale (not working). Remove it.

Signed-off-by: Hugo Villeneuve <hugo@hugovil.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2013-06-13 15:55:13 +05:30
Roger Quadros
e41a5f88b3 ARM: OMAP2+: omap-usb-host: Fix memory leaks
Fix memory leaks in the error path.
Also, use platform_device_register_full() to allocate
the platform devices and set platform data.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-06-12 10:04:10 -07:00
Tony Lindgren
82702ea11d ARM: OMAP2+: Fix serial init for device tree based booting
We don't want to call omap_serial_early_init() for device
tree based booting as the ports are initialized based on
the .dts entries.

Reviewed-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-06-12 09:44:15 -07:00
Sebastian Andrzej Siewior
415ab3283c arm/omap: use const char properly
The itention was probably to make both pointers const but as it is now,
it is just const used twice.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-06-12 07:16:30 -07:00
Peter Ujfalusi
7252db5fef ARM: OMAP2+: devices: Do not print error when dss_hdmi hwmod lookup fails
The dss_hdmi hwmod is used to create the HDMI audio device for OMAP4+
When we boot the kernel we can silently ignore the failure since the IP
does not exist on them.

Reported-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-06-12 07:10:00 -07:00
Peter Ujfalusi
6d931cf8ba ARM: OMAP2+: devices: Do not print error when DMIC hwmod lookup fails
It means that the SoC does not have DMIC IP.

Reported-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-06-12 07:09:19 -07:00
Peter Ujfalusi
5fe0a12684 ARM: OMAP2+: devices: Do not print error when McPDM hwmod lookup fails
It means that the SoC does not have McPDM IP.

Reported-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-06-12 07:09:19 -07:00
Tony Lindgren
f445d05328 Merge branch 'dss-regulator' into omap-for-v3.11/fixes-non-critical 2013-06-12 07:00:35 -07:00
Tomi Valkeinen
3d85f548d3 ARM: OMAP: add vdds_sdi supply for omapdss_sdi.0
SDI driver gets currently the vdds_sdi regulator via omapdss device.
This is not correct, and we'll change the SDI driver to get the
regulator directly via omapdss_sdi.0 device.

This patch changes the rx51 board file to add vdds_dsi supply for
omapdss_sdi.0 device.

Note that the vdds_sdi supply for omapdss device is still left there, as
the current display driver uses it. When both the board files and the
display driver has been changed, we can remove the unused supply.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-06-12 06:59:40 -07:00
Tomi Valkeinen
1f92a1a4ca ARM: OMAP: add vdds_dsi supply for omapdss_dpi.0
DPI driver gets currently the vdds_dsi regulator via omapdss device.
This is not correct, and we'll change the DPI driver to get the
regulator directly via omapdss_dpi.0 device.

This patch changes the relevant board files to add vdds_dsi supply for
omapdss_dpi.0 device.

Note that the vdds_dsi supply for omapdss device is still left there, as
the current display driver uses it. When both the board files and the
display driver has been changed, we can remove the unused supply.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-06-12 06:59:40 -07:00
Tomi Valkeinen
1738ddbe5b ARM: OMAP: fix dsi regulator names
board-cm-t35.c and board-ldp.c contain regulator supply entries for
vdds_dsi. However, the given device name is wrong.

This patch fixes the device name from omapdss_dsi1 to omapdss_dsi.0.

Note that as far as I know, DSI driver is not used on these boards, so
this should not have caused any problems. The DSI block can be used to
generate clock for DPI, though, but that's not enabled for omap3 boards
currently.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-06-12 06:59:39 -07:00
Olof Johansson
4d8f509e7a SiRF fixes for V3.10
- Replace include linux/module.h with linux/export.h
 - fix a checkpatch issue
 - use of_platform_populate instead of of_platform_bus_probe
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Merge tag 'sirf-arm-soc-v3.10-fixes' of git://gitorious.org/sirfprima2-kernel/sirfprima2-kernel into next/fixes-non-critical

From Barry Song, SiRF fixes for v3.10 (that we're punting to 3.11):

- Replace include linux/module.h with linux/export.h
- fix a checkpatch issue
- use of_platform_populate instead of of_platform_bus_probe

* tag 'sirf-arm-soc-v3.10-fixes' of git://gitorious.org/sirfprima2-kernel/sirfprima2-kernel:
  arm: prima2: use of_platform_populate instead of of_platform_bus_probe
  ARM: prima2: fix a checkpatch issue
  ARM: prima2: Replace include linux/module.h with linux/export.h
  + Linux 3.10-rc4

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-08 22:30:47 -07:00
Linus Torvalds
50b4b9c3e8 ARM: SoC fixes for 3.10-rc
Another week, another batch of fixes for arm-soc platforms.
 
 Nothing controversial here, a handful of fixes for regressions and/or
 serious problems across several of the platforms. Things are slowing
 down nicely on fix rates for 3.10.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "Another week, another batch of fixes for arm-soc platforms.

  Nothing controversial here, a handful of fixes for regressions and/or
  serious problems across several of the platforms.  Things are slowing
  down nicely on fix rates for 3.10"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: exynos: add debug_ll_io_init() call in exynos_init_io()
  ARM: EXYNOS: uncompress - print debug messages if DEBUG_LL is defined
  ARM: shmobile: sh73a0: Update CMT clockevent rating to 80
  sh-pfc: r8a7779: Don't group USB OVC and PENC pins
  ARM: mxs: icoll: Fix interrupts gpio bank 0
  ARM: imx: clk-imx6q: AXI clock select index is incorrect
  ARM: bcm2835: override the HW UART periphid
  ARM: mvebu: Fix bug in coherency fabric low level init function
  ARM: Kirkwood: TS219: Fix crash by double PCIe instantiation
  ARM: ux500: Provide supplies for AUX1, AUX2 and AUX3
  ARM: ux500: Only configure wake-up reasons on ux500 based platforms
  ARM: dts: imx: fix clocks for cspi
  ARM i.MX6q: fix for ldb_di_sels
2013-06-08 11:56:22 -07:00
Olof Johansson
3d0d8b9155 The imx fixes for 3.10, take 2:
- One device tree fix for all spi node to have per clock added.
   The clock is needed by spi driver to calculate bit rate divisor.
   The spi node in the current device trees either does not have the
   clock or is defined as dummy clock, in which case the driver probe
   will fail or spi will run at a wrong bit rate.
 
 - Two imx6q clock fixes, which correct axi_sels and ldb_di_sels.
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Merge tag 'imx-fixes-3.10-2' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes

From Shawn Guo, imx fixes for 3.10, take 2:

- One device tree fix for all spi node to have per clock added.
  The clock is needed by spi driver to calculate bit rate divisor.
  The spi node in the current device trees either does not have the
  clock or is defined as dummy clock, in which case the driver probe
  will fail or spi will run at a wrong bit rate.

- Two imx6q clock fixes, which correct axi_sels and ldb_di_sels.

* tag 'imx-fixes-3.10-2' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: imx: clk-imx6q: AXI clock select index is incorrect
  ARM: dts: imx: fix clocks for cspi
  ARM i.MX6q: fix for ldb_di_sels

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-07 18:18:19 -07:00
Doug Anderson
9c1fcdccc7 ARM: exynos: add debug_ll_io_init() call in exynos_init_io()
If the early MMU mapping of the UART happens to get booted out of the
TLB between the start of paging_init() and when we finally re-add the
UART at the very end of s3c_init_cpu(), we'll get a hang at bootup if
we've got early_printk enabled.  Avoid this hang by calling
debug_ll_io_init() early.

Without this patch, you can reliably reproduce a hang when early
printk is enabled by adding flush_tlb_all() at the start of
exynos_init_io().  After this patch the hang goes away.

Signed-off-by: Doug Anderson <dianders@chromium.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-07 18:12:00 -07:00
Olof Johansson
fb565ff7c8 Renesas ARM based SoC fixes for v3.10
* Correction to USB OVC and PENC pin groupings on r8a7779 SoC.
   This avoids conflicts when the USB_OVCn pins are used by another function.
   This has been observed to be a problem in v3.10-rc1.
 
 * Update CMT clock rating for sh73a0 SoC to resolve boot failure
   on kzm9g-reference. This resolves a regression between v3.9 and v3.10-rc1.
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Merge tag 'renesas-fixes-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes

From Simon Horman, Renesas ARM based SoC fixes for v3.10:
- Correction to USB OVC and PENC pin groupings on r8a7779 SoC.
  This avoids conflicts when the USB_OVCn pins are used by another function.
  This has been observed to be a problem in v3.10-rc1.
- Update CMT clock rating for sh73a0 SoC to resolve boot failure
  on kzm9g-reference. This resolves a regression between v3.9 and v3.10-rc1.

* tag 'renesas-fixes-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: sh73a0: Update CMT clockevent rating to 80
  sh-pfc: r8a7779: Don't group USB OVC and PENC pins

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-07 18:11:02 -07:00
Tushar Behera
437d8ac510 ARM: EXYNOS: uncompress - print debug messages if DEBUG_LL is defined
Printing low-level debug messages make an assumption that the specified
UART port has been preconfigured by the bootloader. Incorrectly
specified UART port results in system getting stalled while printing the
message "Uncompressing Linux... done, booting the kernel"
This UART port number is specified through S3C_LOWLEVEL_UART_PORT. Since
the UART port might different for different board, it is not possible to
specify it correctly for every board that use a common defconfig file.

Calling this print subroutine only when DEBUG_LL fixes the problem. By
disabling DEBUG_LL in default config file, we would be able to boot
multiple boards with different default UART ports.

With this current approach, we miss the print "Uncompressing Linux...
done, booting the kernel." when DEBUG_LL is not defined.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-07 18:09:22 -07:00
Peter Zijlstra
29eb77825c arch, mm: Remove tlb_fast_mode()
Since the introduction of preemptible mmu_gather TLB fast mode has been
broken. TLB fast mode relies on there being absolutely no concurrency;
it frees pages first and invalidates TLBs later.

However now we can get concurrency and stuff goes *bang*.

This patch removes all tlb_fast_mode() code; it was found the better
option vs trying to patch the hole by entangling tlb invalidation with
the scheduler.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Tony Luck <tony.luck@intel.com>
Reported-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-06-06 10:07:26 +09:00
Linus Torvalds
8b35c35955 Merge branch 'fixes' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm bugfixes from Gleb Natapov:
 "The bulk of the fixes is in MIPS KVM kernel<->userspace ABI.  MIPS KVM
  is new for 3.10 and some problems were found with current ABI.  It is
  better to fix them now and do not have a kernel with broken one"

* 'fixes' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: Fix race in apic->pending_events processing
  KVM: fix sil/dil/bpl/spl in the mod/rm fields
  KVM: Emulate multibyte NOP
  ARM: KVM: be more thorough when invalidating TLBs
  ARM: KVM: prevent NULL pointer dereferences with KVM VCPU ioctl
  mips/kvm: Use ENOIOCTLCMD to indicate unimplemented ioctls.
  mips/kvm: Fix ABI by moving manipulation of CP0 registers to KVM_{G,S}ET_ONE_REG
  mips/kvm: Use ARRAY_SIZE() instead of hardcoded constants in kvm_arch_vcpu_ioctl_{s,g}et_regs
  mips/kvm: Fix name of gpr field in struct kvm_regs.
  mips/kvm: Fix ABI for use of 64-bit registers.
  mips/kvm: Fix ABI for use of FPU.
2013-06-05 09:09:35 +09:00
Simon Horman
5600a84856 ARM: shmobile: sh73a0: Update CMT clockevent rating to 80
Update the CMT clockevent rating from 125 to 80.

This resolves a boot-failure regression for kzm9g-reference in v3.10-rc1
introduced by f7db706b13 ("ARM: 7674/1: smp:
Avoid dummy clockevent being preferred over real").

The patch noted above reduces the rating of dummy clockevent from 400 to 100.
This patch reduces the rating of CMT so that it is once again less than that
of the dummy clockevent.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-06-04 14:37:53 +09:00
Marc Zyngier
d4cb9df5d1 ARM: KVM: be more thorough when invalidating TLBs
The KVM/ARM MMU code doesn't take care of invalidating TLBs before
freeing a {pte,pmd} table. This could cause problems if the page
is reallocated and then speculated into by another CPU.

Reported-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Christoffer Dall <cdall@cs.columbia.edu>
2013-06-03 10:58:56 +03:00
Andre Przywara
e8180dcaa8 ARM: KVM: prevent NULL pointer dereferences with KVM VCPU ioctl
Some ARM KVM VCPU ioctls require the vCPU to be properly initialized
with the KVM_ARM_VCPU_INIT ioctl before being used with further
requests. KVM_RUN checks whether this initialization has been
done, but other ioctls do not.
Namely KVM_GET_REG_LIST will dereference an array with index -1
without initialization and thus leads to a kernel oops.
Fix this by adding checks before executing the ioctl handlers.

 [ Removed superflous comment from static function - Christoffer ]

Changes from v1:
 * moved check into a static function with a meaningful name

Signed-off-by: Andre Przywara <andre.przywara@linaro.org>
Signed-off-by: Christoffer Dall <cdall@cs.columbia.edu>
2013-06-03 10:58:56 +03:00
Barry Song
3cc3b617dc arm: prima2: use of_platform_populate instead of of_platform_bus_probe
use of_platform_populate to populate platform devices, it is suitable
for creating devices which are children of the root node, then makes
things like pcm work.

this patch removes sirfsoc_mach_init() function and lets arm core do
of_platform_populate:

    static int __init customize_machine(void)
    {
            /*
             * customizes platform devices, or adds new ones
             * On DT based machines, we fall back to populating the
             * machine from the device tree, if no callback is provided,
             * otherwise we would always need an init_machine callback.
             */
            if (machine_desc->init_machine)
                    machine_desc->init_machine();
            else
                    of_platform_populate(NULL, of_default_bus_match_table,
                                            NULL, NULL);
            return 0;
    }

Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Rongjun Ying <Rongjun.Ying@csr.com>
2013-06-03 13:51:58 +08:00
Barry Song
5a0ec569e8 ARM: prima2: fix a checkpatch issue
WARNING: please, no spaces at the start of a line
42: FILE: common.c:42:
+       "sirf,prima2",$

WARNING: please, no spaces at the start of a line
43: FILE: common.c:43:
+       NULL$

Signed-off-by: Barry Song <Baohua.Song@csr.com>
2013-06-03 13:51:01 +08:00
Syam Sidhardhan
28b27d88ee ARM: prima2: Replace include linux/module.h with linux/export.h
include <linux/export.h> is the right to go here.

Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
2013-06-03 13:50:07 +08:00
Anson Huang
a08b9bc586 ARM: imx: clk-imx6q: AXI clock select index is incorrect
The AXI clock mux should be as below:

00: periph;
01: pll2_pfd2_396m;
10: periph;
11: pll3_pfd1_540m;

Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-06-03 13:47:12 +08:00
Olof Johansson
0b6825585b Ux500 fixes for v3.10:
- A multiplatform fix making sure ux500_idle_init() is only
   executed on ux500.
 - A regulator fix making sure the MMC/SD card regulator is
   not disabled on boot.
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Merge tag 'ux500-arm-soc-v3.10-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into fixes

From Linus Walleij, ux500 fixes for v3.10:
- A multiplatform fix making sure ux500_idle_init() is only executed on ux500.
- A regulator fix making sure the MMC/SD card regulator is not disabled on boot.

Signed-off-by: Olof Johansson <olof@lixom.net>

* tag 'ux500-arm-soc-v3.10-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
  ARM: ux500: Provide supplies for AUX1, AUX2 and AUX3
  ARM: ux500: Only configure wake-up reasons on ux500 based platforms
2013-06-02 11:51:04 -07:00
Jongsung Kim
13731d862c ARM: bcm2835: override the HW UART periphid
Stephen Warren reported the recent commit 78506f2 (add support for
extended FIFO-size of PL011-r1p5) breaks the serial port on the
BCM2835 ARM SoC.

A UART compatible with the ARM PL011-r1p5 should have 32-deep FIFOs.
The BCM2835 UART just looks like an ARM PL011-r1p5, but has 16-deep
FIFOs just like PL011-r1p4 or earlier revisions. As a workaround for
this compatibility issue, this patch overrides the HW UART periphid
register values with the actually compatible UART periphid 0x00241011
(r1p3 or r1p4).

Reported-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Jongsung Kim <neidhard.kim@lge.com>
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-02 11:50:41 -07:00
Olof Johansson
04b5e56fc3 Merge tag 'fixes-3.10-3' of git://git.infradead.org/users/jcooper/linux into fixes
From Jason Cooper, mvebu fixes for v3.10 round 3:
 - mvebu
    - fix bug in coherency fabric low level init
 - kirkwood
    - fix crash from pcie double init

Signed-off-by: Olof Johansson <olof@lixom.net>

* tag 'fixes-3.10-3' of git://git.infradead.org/users/jcooper/linux:
  ARM: mvebu: Fix bug in coherency fabric low level init function
  ARM: Kirkwood: TS219: Fix crash by double PCIe instantiation
2013-06-02 11:50:40 -07:00
Stephen Boyd
28ba472bd3 ARM: dts: msm: Fix bad register addresses
Some bad copy/paste got in as well as too many zeroes. Fix
everything up so that the registers after the @ sign are
consistent with the first reg property.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
2013-05-31 08:46:29 -07:00
Chen Gang
ad8c373c9a arch: arm: mach-msm: using strlcpy instead of strncpy
For NULL terminated string, need always be sure of ended by zero.

Or the next 'ptr' in 'for' looping may cause issue.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: David Brown <davidb@codeaurora.org>
2013-05-31 08:46:09 -07:00
Linus Torvalds
7b55eab81e Pin control fixes for v3.10:
- Six patches fixing up the suspend/resume and wakeup
   handling of the Samsung and Exynos drivers.
 - Errorpath fixes for four different drivers. All on
   the probe() errorpath.
 - Make the debugfs code for pin config take the right
   mutex.
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Merge tag 'pinctrl-fixes-v3.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin-control fixes from Linus Walleij:
 - Six patches fixing up the suspend/resume and wakeup handling of the
   Samsung and Exynos drivers.
 - Errorpath fixes for four different drivers.  All on the probe()
   errorpath.
 - Make the debugfs code for pin config take the right mutex.

* tag 'pinctrl-fixes-v3.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: pinconf: take the right mutex
  pinctrl: sunxi: fix error return code in sunxi_pinctrl_probe()
  pinctrl: exynos: Handle suspend/resume of GPIO EINT registers
  pinctrl: samsung: Allow per-bank SoC-specific private data
  pinctrl: samsung: Add support for SoC-specific suspend/resume callbacks
  pinctrl: Don't override the error code in probe error handling
  ARM: EXYNOS: Fix EINT wake-up mask configuration when pinctrl is used
  pinctrl: exynos: Add support for set_irq_wake of wake-up EINTs
  pinctrl: samsung: fix suspend/resume functionality
2013-05-30 08:54:29 +09:00
Linus Torvalds
c476321533 ARM: Exynos fixes for 3.10-rc
Here's a shorter set of fixes for 3.10, all for Samsung Exynos platforms.
 
 It also includes a defconfig update so that exynos_defconfig provides
 a meaningful set of drivers to boot an unmodified kernel on the Samsung
 ARM-based Chromebooks.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM Exynos fixes from Olof Johansson:
 "Here's a shorter set of fixes for 3.10, all for Samsung Exynos
  platforms.

  It also includes a defconfig update so that exynos_defconfig provides
  a meaningful set of drivers to boot an unmodified kernel on the
  Samsung ARM-based Chromebooks."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: exynos: defconfig update
  ARM: SAMSUNG: Add names to fimd0 IRQ resources
  ARM: EXYNOS: fix software reset logic for EXYNOS5440 SOC
  ARM: EXYNOS: Fix support of Exynos4210 rev0 SoC
  ARM: dts: Enabling samsung-usb2phy driver for exynos5250
2013-05-29 19:24:55 +09:00
Olof Johansson
da9d0fbf5e ARM: exynos: defconfig update
This turns on a number of configs that are useful on the Chromebook, but also
good to have on in general:

* USB host and MMC drivers(!)
* I2C GPIO arbitration driver
* CYAPA trackpad driver
* simplefb
* CROS EC and keyboard drivers
* S5M8767 driver
* MAX77686 drivers
* MAX8997 driver
* DEVTMPFS + mount
* DM_CRYPT (as module)
* CRYPTOLOOP
* HIGHMEM
* PRINTK timestamps

This also turns off DEBUG_LL, and switches the hardcoded Samsung lowlevel
uart to uart 3 (which is only used to show the "uncompressing kernel"
message at boot, it seems).

Signed-off-by: Olof Johansson <olof@lixom.net>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Tested-by: Tushar Behera <tushar.behera@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
2013-05-28 17:21:41 -07:00
Nadav Haklai
b60b61d412 ARM: mvebu: Fix bug in coherency fabric low level init function
When adding CPU to the SMP group and enabling the coherency on this
CPU we must protect the register access.
The previous implementation claims to be atomic but doesn't provide
any protection against parallel access to the coherency fabric control
and configuration registers.

This patch fixes this by using the ldrex and strex mechanism.
This method should be used in all accesses to those registers.

[gregory.clement@free-electrons.com: fixed the commit's topic]
Signed-off-by: Nadav Haklai <nadavh@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-05-28 14:50:08 +00:00
Andrew Lunn
e89b405809 ARM: Kirkwood: TS219: Fix crash by double PCIe instantiation
When creating the DT based boards-ts219.c the none DT ts219-setup.c
was used as a template. This includes a lateinit() call to initialize
the PCIe bus. The code makes use of machine_is_ts219() which is never
true on DT, so a FIXME was added and the code left as is. This was
unproblematic until b73690c8f8: "ARM: Kirkwood: Support basic
hotplug for PCI-E" which changes the way the PCIe bus is
initialized. The non-DT ts219-setup.c now crashes during boot.  The
lateinit() call in the DT boards-ts219.c is being called,
machine_is_ts219() is true and so the PCIe is initialized a second
time.

This patch removes the useless, and now clearly dangerous, code from
boards-ts219.c, making ts219-setup.c work again.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Cc: <stable@vger.kernel.org> # v3.9.x
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-05-28 14:50:06 +00:00
Thomas Petazzoni
cf8088c5ca arm: mvebu: fix length of Ethernet registers area in .dtsi
The length of the registers area for the Marvell 370/XP Ethernet
controller was incorrect in the .dtsi: 0x2400 while it should have
been 0x4000. Until now, this problem wasn't noticed because there was
a large static mapping for all I/Os set up by ->map_io(). But since
we're going to get rid of this static mapping, we need to ensure that
the register areas are properly sized.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-05-28 14:48:28 +00:00
Thomas Petazzoni
911492de45 arm: mvebu: fix length of SATA registers area in .dtsi
The length of the registers area for the Marvell 370/XP SATA
controller was incorrect in the .dtsi: 0x2400 while it should have
been 0x5000. Until now, this problem wasn't noticed because there was
a large static mapping for all I/Os set up by ->map_io(). But since
we're going to get rid of this static mapping, we need to ensure that
the register areas are properly sized.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-05-28 14:48:15 +00:00
Olof Johansson
81c0d9047f Fixes following for v3.10
- to get usb2 working on the Chromebook with adding the
   usb phy node for usb2 on exynos5250
 - supporting exynos4210 rev0 SoC
 - exynos5440 restart applying only to powered-on domains
 - drm-exynos probe failure with adding resource names to
   fimd0 platform device
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Merge tag 'samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes

From Kukjin Kim:

Fixes following for v3.10
- to get usb2 working on the Chromebook with adding the
  usb phy node for usb2 on exynos5250
- supporting exynos4210 rev0 SoC
- exynos5440 restart applying only to powered-on domains
- drm-exynos probe failure with adding resource names to
  fimd0 platform device

* tag 'samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: SAMSUNG: Add names to fimd0 IRQ resources
  ARM: EXYNOS: fix software reset logic for EXYNOS5440 SOC
  ARM: EXYNOS: Fix support of Exynos4210 rev0 SoC
  ARM: dts: Enabling samsung-usb2phy driver for exynos5250
2013-05-27 19:26:30 -07:00