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Commit Graph

41109 Commits

Author SHA1 Message Date
Linus Torvalds
b7dec838b5 Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
 "Another couple of small ARM fixes.

  A patch from Masahiro Yamada who noticed that "make -jN all zImage"
  would end up generating bad images where N > 1, and a patch from
  Nicolas to fix the Marvell CPU user access optimisation code when page
  faults are disabled"

* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: 8418/1: add boot image dependencies to not generate invalid images
  ARM: 8414/1: __copy_to_user_memcpy: fix mmap semaphore usage
2015-08-22 15:48:04 -07:00
Grygorii Strashko
63059a2723 ARM: OMAP: wakeupgen: Restore the irq_set_type() mechanism
The conversion of the wakeupgen irqchip to hierarchical irq domains
failed to provide a mechanism to properly set the trigger type of an
interrupt.

The wakeupgen irq chip itself has no mechanism and therefor no
irq_set_type() callback. The code before the conversion relayed the
trigger configuration directly to the underlying GIC.

Restore the correct behaviour by setting the wakeupgen irq_set_type
callback to irq_chip_set_type_parent(). This propagates the
set_trigger() call to the underlying GIC irqchip.

[ tglx: Massaged changelog ]

Fixes: 7136d457f3 ('ARM: omap: convert wakeupgen to stacked domains')
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: <linux@arm.linux.org.uk>
Cc: <nsekhar@ti.com>
Cc: <jason@lakedaemon.net>
Cc: <balbi@ti.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: <marc.zyngier@arm.com>
Cc: stable@vger.kernel.org # 4.1
Link: http://lkml.kernel.org/r/1439554830-19502-5-git-send-email-grygorii.strashko@ti.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-08-20 00:25:25 +02:00
Masahiro Yamada
3939f33450 ARM: 8418/1: add boot image dependencies to not generate invalid images
U-Boot is often used to boot the kernel on ARM boards, but uImage
is not built by "make all", so we are often inclined to do
"make all uImage" to generate DTBs, modules and uImage in a single
command, but we should notice a pitfall behind it.  In fact,
"make all uImage" could generate an invalid uImage if it is run with
the parallel option (-j).

You can reproduce this problem with the following procedure:

[1] First, build "all" and "uImage" separately.
    You will get a valid uImage

  $ git clean -f -x -d
  $ export CROSS_COMPILE=<your-tools-prefix>
  $ make -s -j8 ARCH=arm multi_v7_defconfig
  $ make -s -j8 ARCH=arm all
  $ make -j8 ARCH=arm UIMAGE_LOADADDR=0x80208000 uImage
    CHK     include/config/kernel.release
    CHK     include/generated/uapi/linux/version.h
    CHK     include/generated/utsrelease.h
  make[1]: `include/generated/mach-types.h' is up to date.
    CHK     include/generated/timeconst.h
    CHK     include/generated/bounds.h
    CHK     include/generated/asm-offsets.h
    CALL    scripts/checksyscalls.sh
    CHK     include/generated/compile.h
    Kernel: arch/arm/boot/Image is ready
    Kernel: arch/arm/boot/zImage is ready
    UIMAGE  arch/arm/boot/uImage
  Image Name:   Linux-4.2.0-rc5-00156-gdd2384a-d
  Created:      Sat Aug  8 23:21:35 2015
  Image Type:   ARM Linux Kernel Image (uncompressed)
  Data Size:    6138648 Bytes = 5994.77 kB = 5.85 MB
  Load Address: 80208000
  Entry Point:  80208000
    Image arch/arm/boot/uImage is ready
  $ ls -l arch/arm/boot/*Image
  -rwxrwxr-x 1 masahiro masahiro 13766656 Aug  8 23:20 arch/arm/boot/Image
  -rw-rw-r-- 1 masahiro masahiro  6138712 Aug  8 23:21 arch/arm/boot/uImage
  -rwxrwxr-x 1 masahiro masahiro  6138648 Aug  8 23:20 arch/arm/boot/zImage

[2] Update some source file(s)

  $ touch init/main.c

[3] Then, re-build "all" and "uImage" simultaneously.
    You will get an invalid uImage at random.

  $ make -j8 ARCH=arm UIMAGE_LOADADDR=0x80208000 all uImage
    CHK     include/config/kernel.release
    CHK     include/generated/uapi/linux/version.h
    CHK     include/generated/utsrelease.h
  make[1]: `include/generated/mach-types.h' is up to date.
    CHK     include/generated/timeconst.h
    CHK     include/generated/bounds.h
    CHK     include/generated/asm-offsets.h
    CALL    scripts/checksyscalls.sh
    CC      init/main.o
    CHK     include/generated/compile.h
    LD      init/built-in.o
    LINK    vmlinux
    LD      vmlinux.o
    MODPOST vmlinux.o
    GEN     .version
    CHK     include/generated/compile.h
    UPD     include/generated/compile.h
    CC      init/version.o
    LD      init/built-in.o
    KSYM    .tmp_kallsyms1.o
    KSYM    .tmp_kallsyms2.o
    LD      vmlinux
    SORTEX  vmlinux
    SYSMAP  System.map
    OBJCOPY arch/arm/boot/Image
    Building modules, stage 2.
    Kernel: arch/arm/boot/Image is ready
    GZIP    arch/arm/boot/compressed/piggy.gzip
    AS      arch/arm/boot/compressed/piggy.gzip.o
    Kernel: arch/arm/boot/Image is ready
    LD      arch/arm/boot/compressed/vmlinux
    GZIP    arch/arm/boot/compressed/piggy.gzip
    OBJCOPY arch/arm/boot/zImage
    Kernel: arch/arm/boot/zImage is ready
    UIMAGE  arch/arm/boot/uImage
  Image Name:   Linux-4.2.0-rc5-00156-gdd2384a-d
  Created:      Sat Aug  8 23:23:14 2015
  Image Type:   ARM Linux Kernel Image (uncompressed)
  Data Size:    26472 Bytes = 25.85 kB = 0.03 MB
  Load Address: 80208000
  Entry Point:  80208000
    Image arch/arm/boot/uImage is ready
    MODPOST 192 modules
    AS      arch/arm/boot/compressed/piggy.gzip.o
    LD      arch/arm/boot/compressed/vmlinux
    OBJCOPY arch/arm/boot/zImage
    Kernel: arch/arm/boot/zImage is ready
  $ ls -l arch/arm/boot/*Image
  -rwxrwxr-x 1 masahiro masahiro 13766656 Aug  8 23:23 arch/arm/boot/Image
  -rw-rw-r-- 1 masahiro masahiro    26536 Aug  8 23:23 arch/arm/boot/uImage
  -rwxrwxr-x 1 masahiro masahiro  6138648 Aug  8 23:23 arch/arm/boot/zImage

Please notice the uImage is extremely small when this issue is
encountered.  Besides, "Kernel: arch/arm/boot/zImage is ready" is
displayed twice, before and after the uImage log.

The root cause of this is the race condition between zImage and
uImage.  Actually, uImage depends on zImage, but the dependency
between the two is only described in arch/arm/boot/Makefile.
Because arch/arm/boot/Makefile is not included from the top-level
Makefile, it cannot know the dependency between zImage and uImage.

Consequently, when we run make with the parallel option, Kbuild
updates vmlinux first, and then two different threads descends into
the arch/arm/boot/Makefile almost at the same time, one for updating
zImage and the other for uImage.  While one thread is re-generating
zImage, the other also tries to update zImage before creating uImage
on top of that.  zImage is overwritten by the slower thread and then
uImage is created based on the half-written zImage.

This is the reason why "Kernel: arch/arm/boot/zImage is ready" is
displayed twice, and a broken uImage is created.

The same problem could happen on bootpImage.

This commit adds dependencies among Image, zImage, uImage, and
bootpImage to arch/arm/Makefile, which is included from the
top-level Makefile.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-08-18 13:59:59 +01:00
Nicolas Pitre
0f64b247e6 ARM: 8414/1: __copy_to_user_memcpy: fix mmap semaphore usage
The mmap semaphore should not be taken when page faults are disabled.
Since pagefault_disable() no longer disables preemption, we now need
to use faulthandler_disabled() in place of in_atomic().

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-08-18 13:59:59 +01:00
Linus Torvalds
8916e0b03e ARM: SoC fixes
A smallish batch of fixes, a little more than expected this late, but
 all fixes are contained to their platforms and seem reasonably low risk:
 
 - A somewhat large SMP fix for ux500 that still seemed warranted to include here
 - OMAP DT fixes for pbias regulator specification that broke due to some DT
   reshuffling
 - PCIe IRQ routing bugfix for i.MX
 - Networking fixes for keystone
 - Runtime PM for OMAP GPMC
 - A couple of error path bug fixes for exynos
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Merge tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A smallish batch of fixes, a little more than expected this late, but
  all fixes are contained to their platforms and seem reasonably low
  risk:

   - a somewhat large SMP fix for ux500 that still seemed warranted to
     include here
   - OMAP DT fixes for pbias regulator specification that broke due to
     some DT reshuffling
   - PCIe IRQ routing bugfix for i.MX
   - networking fixes for keystone
   - runtime PM for OMAP GPMC
   - a couple of error path bug fixes for exynos"

* tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: dts: keystone: Fix the mdio bindings by moving it to soc specific file
  ARM: dts: keystone: fix the clock node for mdio
  memory: omap-gpmc: Don't try to save uninitialized GPMC context
  ARM: imx6: correct i.MX6 PCIe interrupt routing
  ARM: ux500: add an SMP enablement type and move cpu nodes
  ARM: dts: dra7: Fix broken pbias device creation
  ARM: dts: OMAP5: Fix broken pbias device creation
  ARM: dts: OMAP4: Fix broken pbias device creation
  ARM: dts: omap243x: Fix broken pbias device creation
  ARM: EXYNOS: fix double of_node_put() on error path
  ARM: EXYNOS: Fix potentian kfree() of ro memory
2015-08-16 15:44:33 -07:00
Olof Johansson
02149517ac ARM: Couple of Keysyone MDIO DTS fixes for 4.2-rc6+
These are necessary to get the NIC card working on all Keystone
 EVMs. Couple of boards are nroken without these two fixes.
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Merge tag 'keystone-dts-late-fixes-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into fixes

ARM: Couple of Keysyone MDIO DTS fixes for 4.2-rc6+

These are necessary to get the NIC card working on all Keystone
EVMs. Couple of boards are broken without these two fixes.

* tag 'keystone-dts-late-fixes-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
  ARM: dts: keystone: Fix the mdio bindings by moving it to soc specific file
  ARM: dts: keystone: fix the clock node for mdio

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-08-16 21:29:57 +02:00
Linus Torvalds
7ddab73346 Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
 "Another few small ARM fixes, mostly addressing some VDSO issues"

* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: 8410/1: VDSO: fix coarse clock monotonicity regression
  ARM: 8409/1: Mark ret_fast_syscall as a function
  ARM: 8408/1: Fix the secondary_startup function in Big Endian case
  ARM: 8405/1: VDSO: fix regression with toolchains lacking ld.bfd executable
2015-08-13 16:34:56 -07:00
Murali Karicheri
85ad3deea4 ARM: dts: keystone: Fix the mdio bindings by moving it to soc specific file
Currently mdio bindings are defined in keystone.dtsi and this results
in incorrect unit address for the node on K2E and K2L SoCs. Fix this
by moving them to SoC specific DTS file.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2015-08-13 10:01:29 -07:00
Murali Karicheri
e61eee7cf8 ARM: dts: keystone: fix the clock node for mdio
Currently the MDIO clock is pointing to clkpa instead of clkcpgmac.
MDIO is part of the ethss and the clock should be clkcpgmac.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2015-08-13 10:01:29 -07:00
Olof Johansson
db55350599 The i.MX fixes for 4.2, 3rd round:
- Fix i.MX6 PCIe interrupt routing which gets missed from stacked IRQ
    domain conversion.  The PCIe wakeup support is currently broken
    because of this.
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Merge tag 'imx-fixes-4.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

The i.MX fixes for 4.2, 3rd round:
 - Fix i.MX6 PCIe interrupt routing which gets missed from stacked IRQ
   domain conversion.  The PCIe wakeup support is currently broken
   because of this.

* tag 'imx-fixes-4.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx6: correct i.MX6 PCIe interrupt routing

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-08-13 12:24:55 +02:00
Olof Johansson
07616f013b Two fixes for bugs in Exynos power domain error exit path:
1. kfree() of read-only memory (name of power domain returned
    by kstrdup_const()),
 2. Doubled of_node_put() leading to invalid ref count for OF node.
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Merge tag 'samsung-mach-fixes-4.2' of https://github.com/krzk/linux into fixes

Two fixes for bugs in Exynos power domain error exit path:
1. kfree() of read-only memory (name of power domain returned
   by kstrdup_const()),
2. Doubled of_node_put() leading to invalid ref count for OF node.

* tag 'samsung-mach-fixes-4.2' of https://github.com/krzk/linux:
  ARM: EXYNOS: fix double of_node_put() on error path
  ARM: EXYNOS: Fix potentian kfree() of ro memory

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-08-13 12:18:45 +02:00
Olof Johansson
e2e927c823 Few trivial omap MMC regression fixes for card voltages where
the syscon areas for PBIAS regulator were missing "simple-bus"
 that prevents probing of the children in the mapped region.
 
 This probably was not noticed earlier as the bootloader has
 already configured the regulator for the card in the slot.
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Merge tag 'omap-for-v4.2/fixes-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Few trivial omap MMC regression fixes for card voltages where
the syscon areas for PBIAS regulator were missing "simple-bus"
that prevents probing of the children in the mapped region.

This probably was not noticed earlier as the bootloader has
already configured the regulator for the card in the slot.

* tag 'omap-for-v4.2/fixes-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: dra7: Fix broken pbias device creation
  ARM: dts: OMAP5: Fix broken pbias device creation
  ARM: dts: OMAP4: Fix broken pbias device creation
  ARM: dts: omap243x: Fix broken pbias device creation

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-08-11 15:22:10 +02:00
Nathan Lynch
09edea4f8f ARM: 8410/1: VDSO: fix coarse clock monotonicity regression
Since 906c55579a ("timekeeping: Copy the shadow-timekeeper over the
real timekeeper last") it has become possible on ARM to:

- Obtain a CLOCK_MONOTONIC_COARSE or CLOCK_REALTIME_COARSE timestamp
  via syscall.
- Subsequently obtain a timestamp for the same clock ID via VDSO which
  predates the first timestamp (by one jiffy).

This is because ARM's update_vsyscall is deriving the coarse time
using the __current_kernel_time interface, when it should really be
using the timekeeper object provided to it by the timekeeping core.
It happened to work before only because __current_kernel_time would
access the same timekeeper object which had been passed to
update_vsyscall.  This is no longer the case.

Cc: stable@vger.kernel.org
Fixes: 906c55579a ("timekeeping: Copy the shadow-timekeeper over the real timekeeper last")
Signed-off-by: Nathan Lynch <nathan_lynch@mentor.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-08-11 13:42:44 +01:00
Linus Torvalds
d5a8ab400b USB fixes for 4.2-rc6
Here are some USB and PHY fixes for 4.2-rc6 that resolve some reported
 issues.
 
 All of these have been in the linux-next tree for a while, full details
 on the patches are in the shortlog below.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are some USB and PHY fixes for 4.2-rc6 that resolve some reported
  issues.

  All of these have been in the linux-next tree for a while, full
  details on the patches are in the shortlog below"

* tag 'usb-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  ARM: dts: dra7: Add syscon-pllreset syscon to SATA PHY
  drivers/usb: Delete XHCI command timer if necessary
  xhci: fix off by one error in TRB DMA address boundary check
  usb: udc: core: add device_del() call to error pathway
  phy: ti-pipe3: i783 workaround for SATA lockup after dpll unlock/relock
  phy-sun4i-usb: Add missing EXPORT_SYMBOL_GPL for sun4i_usb_phy_set_squelch_detect
  USB: sierra: add 1199:68AB device ID
  usb: gadget: f_printer: actually limit the number of instances
  usb: gadget: f_hid: actually limit the number of instances
  usb: gadget: f_uac2: fix calculation of uac2->p_interval
  usb: gadget: bdc: fix a driver crash on disconnect
  usb: chipidea: ehci_init_driver is intended to call one time
  USB: qcserial: Add support for Dell Wireless 5809e 4G Modem
  USB: qcserial/option: make AT URCs work for Sierra Wireless MC7305/MC7355
2015-08-08 04:27:51 +03:00
Drew Richardson
e83dd37700 ARM: 8409/1: Mark ret_fast_syscall as a function
ret_fast_syscall runs when user space makes a syscall. However it
needs to be marked as such so the ELF information is correct. Before
it was:

   101: 8000f300     0 NOTYPE  LOCAL  DEFAULT    2 ret_fast_syscall

But with this change it correctly shows as:

   101: 8000f300    96 FUNC    LOCAL  DEFAULT    2 ret_fast_syscall

I see this function when using perf to unwind call stacks from kernel
space to user space. Without this change I would need to add some
special case logic when using the vmlinux ELF information.

Signed-off-by: Drew Richardson <drew.richardson@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-08-07 19:57:02 +01:00
Gregory CLEMENT
998ef5d81c ARM: 8408/1: Fix the secondary_startup function in Big Endian case
Since the commit "b2c3e38a5471 ARM: redo TTBR setup code for LPAE",
the setup code had been reworked. As a result the secondary CPUs
failed to come online in Big Endian.

As explained by Russell, the new code expected the value in r4/r5 to
be the least significant 32bits in r4 and the most significant 32bits
in r5. However, in the secondary code, we load this using ldrd, which
on BE reverses that.

This patch swap r4/r5 after the ldrd. It is done using the xor
instructions in order to not use a temporary register.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-08-07 19:57:02 +01:00
Lucas Stach
1a9fa19095 ARM: imx6: correct i.MX6 PCIe interrupt routing
The PCIe interrupts are also routed through the GPC. This has been
missed from the conversion to stacked IRQ domains as the PCIe
controller uses an explicit interrupt map and thus doesn't inherit
the SoC global interrupt parent.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Cc: <stable@vger.kernel.org> # 4.1
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2015-08-06 16:30:18 +08:00
Linus Walleij
bf64dd262e ARM: ux500: add an SMP enablement type and move cpu nodes
The "cpus" node cannot be inside the "soc" node, while this
works for the CoreSight blocks, the early boot code will look
for "cpus" directly under the root node, so this is a hard
convention. So move the CPU nodes.

Augment the "reg" property to match what is actually in the
hardware: 0x300 and 0x301 respectively.

Then add an SMP enablement type to be used by the SMP init
code, "ste,dbx500-smp".

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-08-06 10:10:34 +02:00
Greg Kroah-Hartman
0a1b6f6319 phy: for 4.2-rc6
*) Fix compiler error when sun4i usb phy driver is built as module
 *) Fix SATA Lockup issue in dra7 SoC
 
 Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-4.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-linus

Kishon writes:

phy: for 4.2-rc6

*) Fix compiler error when sun4i usb phy driver is built as module
*) Fix SATA Lockup issue in dra7 SoC

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-08-05 10:12:23 -07:00
Kishon Vijay Abraham I
cd4556733b ARM: dts: dra7: Fix broken pbias device creation
commit <d919501feffa> ("ARM: dts: dra7: add minimal l4 bus
layout with control module support") moved pbias_regulator dt node
from being a child node of ocp to be the child node of
scm_conf. After this device for pbias_regulator is
not created.

Fix it by adding "simple-bus" compatible property to
scm_conf dt node.

Fixes: d919501fef ("ARM: dts: dra7: add minimal l4 bus
layout with control module support")

Cc: <stable@vger.kernel.org> # v4.1
Suggested-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Tested-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-08-05 03:04:07 -07:00
Kishon Vijay Abraham I
70caac3f25 ARM: dts: OMAP5: Fix broken pbias device creation
commit <ed8509edddeb> ("ARM: dts: omap5: add minimal l4 bus
layout with control module support") moved pbias_regulator dt node
from being a child node of ocp to be the child node of
omap5_padconf_global. After this device for pbias_regulator is
not created.

Fix it by adding "simple-bus" compatible property to
omap5_padconf_global dt node.

Fixes: ed8509eddd ("ARM: dts: omap5: add minimal l4 bus
layout with control module support")

Cc: <stable@vger.kernel.org> # v4.1
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-08-05 03:04:07 -07:00
Kishon Vijay Abraham I
89a898df87 ARM: dts: OMAP4: Fix broken pbias device creation
commit <7415b0b4c645> ("ARM: dts: omap4: add minimal l4 bus layout
with control module support") moved pbias_regulator dt node
from being a child node of ocp to be the child node of
omap4_padconf_global. After this device for pbias_regulator
is not created.

Fix it by adding "simple-bus" compatible property to
omap4_padconf_global dt node.

Fixes: 7415b0b4c6 ("ARM: dts: omap4: add minimal l4 bus layout
with control module support")

Cc: <stable@vger.kernel.org> # v4.1
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-08-05 03:04:07 -07:00
Kishon Vijay Abraham I
4317c8c912 ARM: dts: omap243x: Fix broken pbias device creation
commit <72b10ac00eb1> ("ARM: dts: omap24xx: add minimal l4 bus
layout with control module support") moved pbias_regulator dt node
from being a child node of ocp to be the child node of
scm_conf. After this device for pbias_regulator is
not created.

Fix it by adding "simple-bus" compatible property to
scm_conf dt node.

Fixes: 72b10ac00e ("ARM: dts: omap24xx: add minimal l4 bus
layout with control module support")

Cc: <stable@vger.kernel.org> # v4.1
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-08-05 03:02:17 -07:00
Roger Quadros
257d5d9a9f ARM: dts: dra7: Add syscon-pllreset syscon to SATA PHY
This register is required to be passed to the SATA PHY driver
to workaround errata i783 (SATA Lockup After SATA DPLL Unlock/Relock).

Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-08-04 21:11:50 +05:30
Linus Torvalds
30c7b56d63 ARM: SoC fixes
Things are calming down nicely here w.r.t. fixes. This batch includes two
 week's worth since I missed to send before -rc4.
 
 Nothing particularly scary to point out, smaller fixes here and
 there. Shortlog describes it pretty well.
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Merge tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "Things are calming down nicely here w.r.t. fixes.  This batch
  includes two week's worth since I missed to send before -rc4.

  Nothing particularly scary to point out, smaller fixes here and there.
  Shortlog describes it pretty well"

* tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: dts: keystone: fix dt bindings to use post div register for mainpll
  ARM: nomadik: disable UART0 on Nomadik boards
  ARM: dts: i.MX35: Fix can support.
  ARM: OMAP2+: hwmod: Fix _wait_target_ready() for hwmods without sysc
  ARM: dts: add CPU OPP and regulator supply property for exynos4210
  ARM: dts: Update video-phy node with syscon phandle for exynos3250
  ARM: DRA7: hwmod: fix gpmc hwmod
2015-08-02 09:12:46 -07:00
Murali Karicheri
c1bfa985de ARM: dts: keystone: fix dt bindings to use post div register for mainpll
All of the keystone devices have a separate register to hold post
divider value for main pll clock. Currently the fixed-postdiv
value used for k2hk/l/e SoCs works by sheer luck as u-boot happens to
use a value of 2 for this. Now that we have fixed this in the pll
clock driver change the dt bindings for the same.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-07-31 22:30:11 +02:00
Nathan Lynch
3473f26592 ARM: 8405/1: VDSO: fix regression with toolchains lacking ld.bfd executable
The Sourcery CodeBench Lite 2014.05 toolchain (gcc 4.8.3, binutils
2.24.51) has a GCC which implements -fuse-ld, and it doesn't include
the gold linker, but it lacks an ld.bfd executable in its
installation.  This means that passing -fuse-ld=bfd fails with:

      VDSO    arch/arm/vdso/vdso.so.raw
    collect2: fatal error: cannot find 'ld'

Arguably this is a deficiency in the toolchain, but I suspect it's
commonly used enough that it's worth accommodating: just use

cc-ldoption (to cause a link attempt) instead of cc-option to test
whether we can use -fuse-ld.  So -fuse-ld=bfd won't be used with this
toolchain, but the build will rightly succeed, just as it does for
toolchains which don't implement -fuse-ld (and don't use gold as the
default linker).

Note: this will change the failure mode for a corner case I was trying
to handle in d2b30cd4b7, where the toolchain defaults to the gold
linker and the BFD linker is not found in PATH, from:

      VDSO    arch/arm/vdso/vdso.so.raw
    collect2: fatal error: cannot find 'ld'

i.e. the BFD linker is not found, to:

      OBJCOPY arch/arm/vdso/vdso.so
    BFD: arch/arm/vdso/vdso.so: Not enough room for program headers, try
    linking with -N

that is, we fail to prevent gold from being used as the linker, and it
produces an object that objcopy can't digest.

Reported-by: Baruch Siach <baruch@tkos.co.il>
Tested-by: Baruch Siach <baruch@tkos.co.il>
Tested-by: Raphaël Poggi <poggi.raph@gmail.com>
Fixes: d2b30cd4b7 ("ARM: 8384/1: VDSO: force use of BFD linker")
Cc: stable@vger.kernel.org
Signed-off-by: Nathan Lynch <nathan_lynch@mentor.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-07-31 18:54:45 +01:00
Vladimir Zapolskiy
3e9f798784 ARM: EXYNOS: fix double of_node_put() on error path
The change removes the second of_node_put(), if
for_each_compatible_node() body execution is not terminated. This
prevents from object refcounter overflow over zero in OF_DYNAMIC
build.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2015-07-31 10:12:17 +09:00
Vladimir Zapolskiy
27bbd23fe8 ARM: EXYNOS: Fix potentian kfree() of ro memory
The change fixes a bug introduced by 2be2a3ff42, memory allocated
by kstrdup_const() must be always deallocated with kfree_const(),
otherwise there is a risk of kfree'ing ro memory in power domain error
exit path.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Cc: <stable@vger.kernel.org>
Fixes: 2be2a3ff42 ("ARM: EXYNOS: register power domain driver from core_initcall")
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2015-07-31 10:11:25 +09:00
Olof Johansson
a7dae1551b The i.MX fixes for 4.2, 2nd round:
- Add the required second clock for i.MX35 FlexCAN in device tree,
    so that the device can be probed by kernel successfully.
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Merge tag 'imx-fixes-4.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

The i.MX fixes for 4.2, 2nd round:
 - Add the required second clock for i.MX35 FlexCAN in device tree,
   so that the device can be probed by kernel successfully.

* tag 'imx-fixes-4.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: i.MX35: Fix can support.

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-07-28 12:32:24 +02:00
Linus Walleij
a153790a78 ARM: nomadik: disable UART0 on Nomadik boards
The UART0 is not used on these boards, yet active and blocking
other use. Fix this by disabling UART0 and setting port aliases
to maintain port enumeration to userspace.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-07-26 21:41:06 +02:00
Olof Johansson
ee5d35e781 ARM: OMAP2+: hwmod fixes for v4.2-rc
Two fixes against v4.2-rc1.  The first, for DRA7xx platforms,
 corrects some incorrect GPMC hardware description data.  The
 second one will ensure that the hwmod code will wait for any
 module with CPU-accessible registers to become ready before
 attempting to access it.
 
 Basic build, boot, and PM test logs are available here:
 
 http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.2-rc/20150723065408/
 
 Note that I do not have a DRA7xx or AM43xx board, and therefore
 cannot test on those platforms.
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Merge tag 'for-v4.2-rc/omap-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes

Merge "ARM: OMAP2+: hwmod fixes for v4.2-rc" from Paul Walmsley:

ARM: OMAP2+: hwmod fixes for v4.2-rc

Two fixes against v4.2-rc1.  The first, for DRA7xx platforms,
corrects some incorrect GPMC hardware description data.  The
second one will ensure that the hwmod code will wait for any
module with CPU-accessible registers to become ready before
attempting to access it.

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

http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.2-rc/20150723065408/

Note that I do not have a DRA7xx or AM43xx board, and therefore
cannot test on those platforms.

* tag 'for-v4.2-rc/omap-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending:
  ARM: OMAP2+: hwmod: Fix _wait_target_ready() for hwmods without sysc
  ARM: DRA7: hwmod: fix gpmc hwmod

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-07-26 20:52:03 +02:00
Denis Carikli
e053f96b1a ARM: dts: i.MX35: Fix can support.
Since commit 3d42a379b6
("can: flexcan: add 2nd clock to support imx53 and newer")
the can driver requires a dt nodes to have a second clock.
Add them to imx35 to fix probing the flex can driver on the
respective platforms.

Signed-off-by: Denis Carikli <denis@eukrea.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2015-07-25 11:35:08 +08:00
Linus Torvalds
1e63dca76a MMC core:
- Fix a reference inbalance issue for power_ro_lock_show() sysfs handler
 
 MMC host:
  - omap_hsmmc: Fix IRQ errorhandling for CD, DTO, and CRC
  - sdhci: Prevent a kernel panic while using DMA
  - mtk-sd: Let it depend on HAS_DMA to prevent build errors
  - sdhci-esdhc: Make 8BIT bus work
  - sdhci-esdhc-imx: Fix some regressions for DT based platforms
  - sdhci-pxav3: Fix a regression for DT based platforms
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Merge tag 'mmc-4.2-rc3' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC fixes from Ulf Hansson:
 "Here are some mmc fixes intended for v4.2 rc4.

  Note, most of the changes are for the sdhci-esdhc-imx controller,
  which also required us to modify some related DTS files.  Those
  changes have been acked by the SoC maintainer.

  MMC core:
   - Fix a reference inbalance issue for power_ro_lock_show() sysfs handler

  MMC host:
   - omap_hsmmc: Fix IRQ errorhandling for CD, DTO, and CRC
   - sdhci: Prevent a kernel panic while using DMA
   - mtk-sd: Let it depend on HAS_DMA to prevent build errors
   - sdhci-esdhc: Make 8BIT bus work
   - sdhci-esdhc-imx: Fix some regressions for DT based platforms
   - sdhci-pxav3: Fix a regression for DT based platforms"

* tag 'mmc-4.2-rc3' of git://git.linaro.org/people/ulf.hansson/mmc:
  mmc: sdhci-pxav3: fix platform_data is not initialized
  dts: mmc: fsl-imx-esdhc: remove fsl,cd-controller support
  mmc: sdhci-esdhc-imx: clear f_max in boarddata
  mmc: sdhci-esdhc-imx: remove duplicated dts parsing
  mmc: sdhci: make max-frequency property in device tree work
  mmc: sdhci-esdhc-imx: move all non dt probe code into one function
  mmc: sdhci-esdhc-imx: fix cd regression for dt platform
  dts: imx7: fix sd card gpio polarity specified in device tree
  dts: imx25: fix sd card gpio polarity specified in device tree
  dts: imx6: fix sd card gpio polarity specified in device tree
  dts: imx53: fix sd card gpio polarity specified in device tree
  dts: imx51: fix sd card gpio polarity specified in device tree
  mmc: sdhci-esdhc: Make 8BIT bus work
  mmc: block: Add missing mmc_blk_put() in power_ro_lock_show()
  mmc: MMC_MTK should depend on HAS_DMA
  mmc: sdhci check parameters before call dma_free_coherent
  mmc: omap_hsmmc: Handle BADA, DEB and CEB interrupts
  mmc: omap_hsmmc: Fix DTO and DCRC handling
2015-07-24 16:43:16 -07:00
Dong Aisheng
1cd55947f2 dts: imx7: fix sd card gpio polarity specified in device tree
cd-gpios polarity should be changed to GPIO_ACTIVE_LOW and wp-gpios
should be changed to GPIO_ACTIVE_HIGH.
Otherwise, the SD may not work properly due to wrong polarity inversion
specified in DT after switch to common parsing function mmc_of_parse().

Signed-off-by: Dong Aisheng <aisheng.dong@freescale.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-07-24 10:18:36 +02:00
Dong Aisheng
cf75eb15be dts: imx25: fix sd card gpio polarity specified in device tree
cd-gpios polarity should be changed to GPIO_ACTIVE_LOW and wp-gpios
should be changed to GPIO_ACTIVE_HIGH.
Otherwise, the SD may not work properly due to wrong polarity inversion
specified in DT after switch to common parsing function mmc_of_parse().

Signed-off-by: Dong Aisheng <aisheng.dong@freescale.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-07-24 10:18:36 +02:00
Dong Aisheng
89c1a8cf63 dts: imx6: fix sd card gpio polarity specified in device tree
cd-gpios polarity should be changed to GPIO_ACTIVE_LOW and wp-gpios
should be changed to GPIO_ACTIVE_HIGH.
Otherwise, the SD may not work properly due to wrong polarity inversion
specified in DT after switch to common parsing function mmc_of_parse().

Signed-off-by: Dong Aisheng <aisheng.dong@freescale.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-07-24 10:18:35 +02:00
Dong Aisheng
94d7694685 dts: imx53: fix sd card gpio polarity specified in device tree
cd-gpios polarity should be changed to GPIO_ACTIVE_LOW and wp-gpios
should be changed to GPIO_ACTIVE_HIGH.
Otherwise, the SD may not work properly due to wrong polarity inversion
specified in DT after switch to common parsing function mmc_of_parse().

Signed-off-by: Dong Aisheng <aisheng.dong@freescale.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-07-24 10:18:35 +02:00
Dong Aisheng
aca45c0e95 dts: imx51: fix sd card gpio polarity specified in device tree
cd-gpios polarity should be changed to GPIO_ACTIVE_LOW and wp-gpios
should be changed to GPIO_ACTIVE_HIGH.
Otherwise, the SD may not work properly due to wrong polarity inversion
specified in DT after switch to common parsing function mmc_of_parse().

Signed-off-by: Dong Aisheng <aisheng.dong@freescale.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2015-07-24 10:18:34 +02:00
Roger Quadros
9a258afa92 ARM: OMAP2+: hwmod: Fix _wait_target_ready() for hwmods without sysc
For hwmods without sysc, _init_mpu_rt_base(oh) won't be called and so
_find_mpu_rt_port(oh) will return NULL thus preventing ready state check
on those modules after the module is enabled.

This can potentially cause a bus access error if the module is accessed
before the module is ready.

Fix this by unconditionally calling _init_mpu_rt_base() during hwmod
_init(). Do ioremap only if we need SYSC access.

Eventhough _wait_target_ready() check doesn't really need MPU RT port but
just the PRCM registers, we still mandate that the hwmod must have an
MPU RT port if ready state check needs to be done. Else it would mean that
the module is not accessible by MPU so there is no point in waiting
for target to be ready.

e.g. this fixes the below DCAN bus access error on AM437x-gp-evm.

[   16.672978] ------------[ cut here ]------------
[   16.677885] WARNING: CPU: 0 PID: 1580 at drivers/bus/omap_l3_noc.c:147 l3_interrupt_handler+0x234/0x35c()
[   16.687946] 44000000.ocp:L3 Custom Error: MASTER M2 (64-bit) TARGET L4_PER_0 (Read): Data Access in User mode during Functional access
[   16.700654] Modules linked in: xhci_hcd btwilink ti_vpfe dwc3 videobuf2_core ov2659 bluetooth v4l2_common videodev ti_am335x_adc kfifo_buf industrialio c_can_platform videobuf2_dma_contig media snd_soc_tlv320aic3x pixcir_i2c_ts c_can dc
[   16.731144] CPU: 0 PID: 1580 Comm: rpc.statd Not tainted 3.14.26-02561-gf733aa036398 #180
[   16.739747] Backtrace:
[   16.742336] [<c0011108>] (dump_backtrace) from [<c00112a4>] (show_stack+0x18/0x1c)
[   16.750285]  r6:00000093 r5:00000009 r4:eab5b8a8 r3:00000000
[   16.756252] [<c001128c>] (show_stack) from [<c05a4418>] (dump_stack+0x20/0x28)
[   16.763870] [<c05a43f8>] (dump_stack) from [<c0037120>] (warn_slowpath_common+0x6c/0x8c)
[   16.772408] [<c00370b4>] (warn_slowpath_common) from [<c00371e4>] (warn_slowpath_fmt+0x38/0x40)
[   16.781550]  r8:c05d1f90 r7:c0730844 r6:c0730448 r5:80080003 r4:ed0cd210
[   16.788626] [<c00371b0>] (warn_slowpath_fmt) from [<c027fa94>] (l3_interrupt_handler+0x234/0x35c)
[   16.797968]  r3:ed0cd480 r2:c0730508
[   16.801747] [<c027f860>] (l3_interrupt_handler) from [<c0063758>] (handle_irq_event_percpu+0x54/0x1bc)
[   16.811533]  r10:ed005600 r9:c084855b r8:0000002a r7:00000000 r6:00000000 r5:0000002a
[   16.819780]  r4:ed0e6d80
[   16.822453] [<c0063704>] (handle_irq_event_percpu) from [<c00638f0>] (handle_irq_event+0x30/0x40)
[   16.831789]  r10:eb2b6938 r9:eb2b6960 r8:bf011420 r7:fa240100 r6:00000000 r5:0000002a
[   16.840052]  r4:ed005600
[   16.842744] [<c00638c0>] (handle_irq_event) from [<c00661d8>] (handle_fasteoi_irq+0x74/0x128)
[   16.851702]  r4:ed005600 r3:00000000
[   16.855479] [<c0066164>] (handle_fasteoi_irq) from [<c0063068>] (generic_handle_irq+0x28/0x38)
[   16.864523]  r4:0000002a r3:c0066164
[   16.868294] [<c0063040>] (generic_handle_irq) from [<c000ef60>] (handle_IRQ+0x38/0x8c)
[   16.876612]  r4:c081c640 r3:00000202
[   16.880380] [<c000ef28>] (handle_IRQ) from [<c00084f0>] (gic_handle_irq+0x30/0x5c)
[   16.888328]  r6:eab5ba38 r5:c0804460 r4:fa24010c r3:00000100
[   16.894303] [<c00084c0>] (gic_handle_irq) from [<c05a8d80>] (__irq_svc+0x40/0x50)
[   16.902193] Exception stack(0xeab5ba38 to 0xeab5ba80)
[   16.907499] ba20:                                                       00000000 00000006
[   16.916108] ba40: fa1d0000 fa1d0008 ed3d3000 eab5bab4 ed3d3460 c0842af4 bf011420 eb2b6960
[   16.924716] ba60: eb2b6938 eab5ba8c eab5ba90 eab5ba80 bf035220 bf07702c 600f0013 ffffffff
[   16.933317]  r7:eab5ba6c r6:ffffffff r5:600f0013 r4:bf07702c
[   16.939317] [<bf077000>] (c_can_plat_read_reg_aligned_to_16bit [c_can_platform]) from [<bf035220>] (c_can_get_berr_counter+0x38/0x64 [c_can])
[   16.952696] [<bf0351e8>] (c_can_get_berr_counter [c_can]) from [<bf010294>] (can_fill_info+0x124/0x15c [can_dev])
[   16.963480]  r5:ec8c9740 r4:ed3d3000
[   16.967253] [<bf010170>] (can_fill_info [can_dev]) from [<c0502fa8>] (rtnl_fill_ifinfo+0x58c/0x8fc)
[   16.976749]  r6:ec8c9740 r5:ed3d3000 r4:eb2b6780
[   16.981613] [<c0502a1c>] (rtnl_fill_ifinfo) from [<c0503408>] (rtnl_dump_ifinfo+0xf0/0x1dc)
[   16.990401]  r10:ec8c9740 r9:00000000 r8:00000000 r7:00000000 r6:ebd4d1b4 r5:ed3d3000
[   16.998671]  r4:00000000
[   17.001342] [<c0503318>] (rtnl_dump_ifinfo) from [<c050e6e4>] (netlink_dump+0xa8/0x1e0)
[   17.009772]  r10:00000000 r9:00000000 r8:c0503318 r7:ebf3e6c0 r6:ebd4d1b4 r5:ec8c9740
[   17.018050]  r4:ebd4d000
[   17.020714] [<c050e63c>] (netlink_dump) from [<c050ec10>] (__netlink_dump_start+0x104/0x154)
[   17.029591]  r6:eab5bd34 r5:ec8c9980 r4:ebd4d000
[   17.034454] [<c050eb0c>] (__netlink_dump_start) from [<c0505604>] (rtnetlink_rcv_msg+0x110/0x1f4)
[   17.043778]  r7:00000000 r6:ec8c9980 r5:00000f40 r4:ebf3e6c0
[   17.049743] [<c05054f4>] (rtnetlink_rcv_msg) from [<c05108e8>] (netlink_rcv_skb+0xb4/0xc8)
[   17.058449]  r8:eab5bdac r7:ec8c9980 r6:c05054f4 r5:ec8c9980 r4:ebf3e6c0
[   17.065534] [<c0510834>] (netlink_rcv_skb) from [<c0504134>] (rtnetlink_rcv+0x24/0x2c)
[   17.073854]  r6:ebd4d000 r5:00000014 r4:ec8c9980 r3:c0504110
[   17.079846] [<c0504110>] (rtnetlink_rcv) from [<c05102ac>] (netlink_unicast+0x180/0x1ec)
[   17.088363]  r4:ed0c6800 r3:c0504110
[   17.092113] [<c051012c>] (netlink_unicast) from [<c0510670>] (netlink_sendmsg+0x2ac/0x380)
[   17.100813]  r10:00000000 r8:00000008 r7:ec8c9980 r6:ebd4d000 r5:eab5be70 r4:eab5bee4
[   17.109083] [<c05103c4>] (netlink_sendmsg) from [<c04dfdb4>] (sock_sendmsg+0x90/0xb0)
[   17.117305]  r10:00000000 r9:eab5a000 r8:becdda3c r7:0000000c r6:ea978400 r5:eab5be70
[   17.125563]  r4:c05103c4
[   17.128225] [<c04dfd24>] (sock_sendmsg) from [<c04e1c28>] (SyS_sendto+0xb8/0xdc)
[   17.136001]  r6:becdda5c r5:00000014 r4:ecd37040
[   17.140876] [<c04e1b70>] (SyS_sendto) from [<c000e680>] (ret_fast_syscall+0x0/0x30)
[   17.148923]  r10:00000000 r8:c000e804 r7:00000122 r6:becdda5c r5:0000000c r4:becdda5c
[   17.157169] ---[ end trace 2b71e15b38f58bad ]---

Fixes: 6423d6df14 ("ARM: OMAP2+: hwmod: check for module address space during init")
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: <stable@vger.kernel.org>
2015-07-23 06:35:25 -06:00
Linus Torvalds
c5dfd654d0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Don't use shared bluetooth antenna in iwlwifi driver for management
    frames, from Emmanuel Grumbach.

 2) Fix device ID check in ath9k driver, from Felix Fietkau.

 3) Off by one in xen-netback BUG checks, from Dan Carpenter.

 4) Fix IFLA_VF_PORT netlink attribute validation, from Daniel Borkmann.

 5) Fix races in setting peeked bit flag in SKBs during datagram
    receive.  If it's shared we have to clone it otherwise the value can
    easily be corrupted.  Fix from Herbert Xu.

 6) Revert fec clock handling change, causes regressions.  From Fabio
    Estevam.

 7) Fix use after free in fq_codel and sfq packet schedulers, from WANG
    Cong.

 8) ipvlan bug fixes (memory leaks, missing rcu_dereference_bh, etc.)
    from WANG Cong and Konstantin Khlebnikov.

 9) Memory leak in act_bpf packet action, from Alexei Starovoitov.

10) ARM bpf JIT bug fixes from Nicolas Schichan.

11) Fix backwards compat of ANY_LAYOUT in virtio_net driver, from
    Michael S Tsirkin.

12) Destruction of bond with different ARP header types not handled
    correctly, fix from Nikolay Aleksandrov.

13) Revert GRO receive support in ipv6 SIT tunnel driver, causes
    regressions because the GRO packets created cannot be processed
    properly on the GSO side if we forward the frame.  From Herbert Xu.

14) TCCR update race and other fixes to ravb driver from Sergei
    Shtylyov.

15) Fix SKB leaks in caif_queue_rcv_skb(), from Eric Dumazet.

16) Fix panics on packet scheduler filter replace, from Daniel Borkmann.

17) Make sure AF_PACKET sees properly IP headers in defragmented frames
    (via PACKET_FANOUT_FLAG_DEFRAG option), from Edward Hyunkoo Jee.

18) AF_NETLINK cannot hold mutex in RCU callback, fix from Florian
    Westphal.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (84 commits)
  ravb: fix ring memory allocation
  net: phy: dp83867: Fix warning check for setting the internal delay
  openvswitch: allocate nr_node_ids flow_stats instead of num_possible_nodes
  netlink: don't hold mutex in rcu callback when releasing mmapd ring
  ARM: net: fix vlan access instructions in ARM JIT.
  ARM: net: handle negative offsets in BPF JIT.
  ARM: net: fix condition for load_order > 0 when translating load instructions.
  tcp: suppress a division by zero warning
  drivers: net: cpsw: remove tx event processing in rx napi poll
  inet: frags: fix defragmented packet's IP header for af_packet
  net: mvneta: fix refilling for Rx DMA buffers
  stmmac: fix setting of driver data in stmmac_dvr_probe
  sched: cls_flow: fix panic on filter replace
  sched: cls_flower: fix panic on filter replace
  sched: cls_bpf: fix panic on filter replace
  net/mdio: fix mdio_bus_match for c45 PHY
  net: ratelimit warnings about dst entry refcount underflow or overflow
  caif: fix leaks and race in caif_queue_rcv_skb()
  qmi_wwan: add the second QMI/network interface for Sierra Wireless MC7305/MC7355
  ravb: fix race updating TCCR
  ...
2015-07-22 14:45:25 -07:00
Nicolas Schichan
c18fe54b3f ARM: net: fix vlan access instructions in ARM JIT.
This makes BPF_ANC | SKF_AD_VLAN_TAG and BPF_ANC | SKF_AD_VLAN_TAG_PRESENT
have the same behaviour as the in kernel VM and makes the test_bpf LD_VLAN_TAG
and LD_VLAN_TAG_PRESENT tests pass.

Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-21 22:19:55 -07:00
Nicolas Schichan
6d715e301e ARM: net: handle negative offsets in BPF JIT.
Previously, the JIT would reject negative offsets known during code
generation and mishandle negative offsets provided at runtime.

Fix that by calling bpf_internal_load_pointer_neg_helper()
appropriately in the jit_get_skb_{b,h,w} slow path helpers and by forcing
the execution flow to the slow path helpers when the offset is
negative.

Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-21 22:19:55 -07:00
Nicolas Schichan
7aed35cb65 ARM: net: fix condition for load_order > 0 when translating load instructions.
To check whether the load should take the fast path or not, the code
would check that (r_skb_hlen - load_order) is greater than the offset
of the access using an "Unsigned higher or same" condition. For
halfword accesses and an skb length of 1 at offset 0, that test is
valid, as we end up comparing 0xffffffff(-1) and 0, so the fast path
is taken and the filter allows the load to wrongly succeed. A similar
issue exists for word loads at offset 0 and an skb length of less than
4.

Fix that by using the condition "Signed greater than or equal"
condition for the fast path code for load orders greater than 0.

Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-21 22:19:55 -07:00
Olof Johansson
82567c85d5 Samsung fixes for v4.2
From Krzysztof Kozlowski:
 1. Fix exynos3250 MIPI DSI display and MIPI CSIS-2 camera sensorx
    after adding support for PMU regmap in exynos-video-mipi driver
    (issue introduced in v4.0).
 2. Bring back cpufreq for exynos4210 after incomplete switch to
    cpufreq-dt driver in 4.2 merge window. The necessary DT changes
    for exynos4210 cpufreq was not applied to the same tree as rest
    of patchset because of multiple conflicts between clk and arm-soc
    trees. Unfortunately without the change the exynos4210 boards
    loose cpufreq feature.
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Merge tag 'samsung-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes

Merge "Samsung fixes for v4.2" from Kukjin Kim:

From Krzysztof Kozlowski:
1. Fix exynos3250 MIPI DSI display and MIPI CSIS-2 camera sensorx
   after adding support for PMU regmap in exynos-video-mipi driver
   (issue introduced in v4.0).
2. Bring back cpufreq for exynos4210 after incomplete switch to
   cpufreq-dt driver in 4.2 merge window. The necessary DT changes
   for exynos4210 cpufreq was not applied to the same tree as rest
   of patchset because of multiple conflicts between clk and arm-soc
   trees. Unfortunately without the change the exynos4210 boards
   loose cpufreq feature.

* tag 'samsung-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: dts: add CPU OPP and regulator supply property for exynos4210
  ARM: dts: Update video-phy node with syscon phandle for exynos3250

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-07-21 14:08:47 -07:00
Thomas Abraham
300bde79f3 ARM: dts: add CPU OPP and regulator supply property for exynos4210
For Exynos4210 platforms, add CPU operating points and CPU regulator
supply properties for migrating from Exynos specific cpufreq driver
to using generic cpufreq driver.

Cc: Doug Anderson <dianders@chromium.org>
Cc: Andreas Faerber <afaerber@suse.de>
Cc: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Andreas Farber <afaerber@suse.de>
Cc: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
[b.zolnierkie: removed exynos5250 and exynos5420 support for now]
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
[k.kozlowski: Rebased, moved cpu nodes to alphabetical position]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-07-21 12:32:29 +09:00
Beata Michalska
1342ff45bd ARM: dts: Update video-phy node with syscon phandle for exynos3250
As a follow-up to recent changes to Exynos mipi video phy driver,
introducing support for PMU regmap in commit e4b3d38088 ("phy:
exynos-video-mipi: Fix regression by adding support for PMU regmap")
add a syscon phandle to video-phy node to bring back to life both
MIPI DSI display and MIPI CSIS-2 camera sensor on Exynos3250.

Signed-off-by: Beata Michalska <b.michalska@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-07-21 12:32:22 +09:00
Linus Torvalds
10b97f38a9 ARM: SoC fixes for v4.2
By far most of the fixes here are updates to DTS files to deal with some
 mostly minor bugs.
 
 There's also a fix to deal with non-PM kernel configs on i.MX, a
 regression fix for ethernet on PXA platforms and a dependency fix for OMAP.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "By far most of the fixes here are updates to DTS files to deal with
  some mostly minor bugs.

  There's also a fix to deal with non-PM kernel configs on i.MX, a
  regression fix for ethernet on PXA platforms and a dependency fix for
  OMAP"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: keystone: dts: rename pcie nodes to help override status
  ARM: keystone: dts: fix dt bindings for PCIe
  ARM: pxa: fix dm9000 platform data regression
  ARM: dts: Correct audio input route & set mic bias for am335x-pepper
  ARM: OMAP2+: Add HAVE_ARM_SCU for AM43XX
  MAINTAINERS: digicolor: add dts files
  ARM: ux500: fix MMC/SD card regression
  ARM: ux500: define serial port aliases
  ARM: dts: OMAP5: Add #iommu-cells property to IOMMUs
  ARM: dts: OMAP4: Add #iommu-cells property to IOMMUs
  ARM: dts: Fix frequency scaling on Gumstix Pepper
  ARM: dts: configure regulators for Gumstix Pepper
  ARM: dts: omap3: overo: Update LCD panel names
  ARM: dts: cros-ec-keyboard: Add support for some Japanese keys
  ARM: imx6: gpc: always enable PU domain if CONFIG_PM is not set
  ARM: dts: imx53-qsb: fix TVE entry
  ARM: dts: mx23: fix iio-hwmon support
  ARM: dts: imx27: Adjust the GPT compatible string
  ARM: socfpga: dts: Fix entries order
  ARM: socfpga: dts: Fix adxl34x formating and compatible string
2015-07-19 13:37:44 -07:00
Olof Johansson
3eae03daa5 ARM: pxa: fixes for v4.2-rc2
This single fix reenables ethernet cards for several pxa boards,
 broken by regulator addition to dm9000 driver.
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Merge tag 'pxa-fixes-v4.2-rc2' of https://github.com/rjarzmik/linux into fixesD

Merge "pxa fixes for v4.2" from Robert Jarzmik:

ARM: pxa: fixes for v4.2-rc2

This single fix reenables ethernet cards for several pxa boards,
broken by regulator addition to dm9000 driver.

* tag 'pxa-fixes-v4.2-rc2' of https://github.com/rjarzmik/linux:
  ARM: pxa: fix dm9000 platform data regression
2015-07-18 21:06:10 -07:00
Linus Torvalds
9d37e6679d Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
 "A small set of ARM fixes for -rc3, most of them not far off
  one-liners, with the exception of fixing the V7 cache invalidation for
  incoming SMP processors which was causing problems for SoCFPGA
  devices"

* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: fix __virt_to_idmap build error on !MMU
  ARM: invalidate L1 before enabling coherency
  ARM: 8404/1: dma-mapping: fix off-by-one error in bitmap size check
  ARM: 8402/1: perf: Don't use of_node after putting it
  ARM: 8400/1: use virt_to_idmap to get phys_reset address
2015-07-18 11:03:48 -07:00