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This is a very simple method for code running in an emulator, or under
the supervision of a debugger, to use I/O facilities on the controlling
host.
Tested with OpenOCD, and ARM's Fast Models.
Details on semihosting can be found in chapter 8 of
DUI0203I_rvct_developer_guide.pdf from ARM Ltd.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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As described in e6fa16ab ("signal: sigprocmask() should do
retarget_shared_pending()") the modification of current->blocked is
incorrect as we need to check for shared signals we're about to block.
Also, use the new helper function introduced in commit 5e6292c0f28f
("signal: add block_sigmask() for adding sigmask to current->blocked")
which centralises the code for updating current->blocked after
successfully delivering a signal and reduces the amount of duplicate code
across architectures. In the past some architectures got this code wrong,
so using this helper function should stop that from happening again.
Cc: Arnd Bergmann <arnd.bergmann@linaro.org>
Cc: Dave Martin <dave.martin@linaro.org>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: Will Deacon <will.deacon@arm.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The address limit is already set in flush_old_exec() so this
set_fs(USER_DS) is redundant.
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Extract out the code patching code from kprobes so that it can be used
from the jump label code. Additionally, the separated code:
- Uses the IS_ENABLED() macros instead of the #ifdefs for THUMB2
support
- Unifies the two separate functions in kprobes, providing one function
that uses stop_machine() internally, and one that can be called from
stop_machine() directly
- Patches the text on all CPUs only on processors requiring software
broadcasting of cache operations
Acked-by: Jon Medhurst <tixy@yxit.co.uk>
Tested-by: Jon Medhurst <tixy@yxit.co.uk>
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Extract out the instruction generation code so that it can be used
for jump labels too.
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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As commit 592201a9f15 (ARM: Thumb-2: Support Thumb-2 in undefined
instruction handler) says:
32-bit Thumb instructions are specified in the form:
((first_half << 16 ) | second_half)
which matches the layout used by the ARM ARM.
Convert the ftrace code to use the same format to avoid the usage of
different formats in kernel code.
Acked-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Before replacing an instruction, the ftrace code determines what the old
instruction should be and verifies that that's what's really there in
memory before replacing it. This is useful if for example a bug in
mcountrecord causes it to record wrong locations.
However, in cases where we replace call sites in entry-common.S, these
checks are not needed. For these, we currently just memcpy() the memory
content and then "verify" it -- this is quite useless and can be
removed.
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The kexec machine crash code can be called in interrupt context via a
sysrq trigger made using the magic key combination. If the irq chip
dealing with the serial interrupt is using the fasteoi flow handler,
then we will never EOI the interrupt because the interrupt handler will
be fatal. In the case of a GIC, this results in the crash kernel not
receiving interrupts on that CPU interface.
This patch adds code (based on the PowerPC implementation) to EOI any
pending interrupts on the crash CPU before masking and disabling all
interrupts. Secondary cores are not a problem since they are placed into
a cpu_relax() loop via an IPI.
Reported-by: Lei Wen <leiwen@marvell.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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On Versatile Express, the PCI Express buses are broken and unusable, so
we aren't going to support PCI/ISA IO cycles on this platform. Remove
the PCI/ISA IO inb et.al. support for this platform.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Avoid potential build problems caused by lacking mach/irqs.h includes
on non-OF builds caused by an errant include in asm/prom.h. asm/prom.h
requires nothing from asm/irq.h, as Grant says:
On Mon, Feb 06, 2012 at 05:56:23AM +0000, Grant Likely wrote:
> On Sat, Feb 04, 2012 at 10:17:48PM +0000, Russell King wrote:
> > Finally, do we need asm/irq.h in our asm/prom.h ? That's causing
> > fragility between DT and non-DT builds, because people are finding
> > that their DT builds work without their mach/irqs.h includes but
> > fail when built with non-DT. The only thing which DT might need -
> > at the most - is NR_IRQS, but I'd hope with things like irq domains
> > it doesn't actually require it.
>
> I don't think so. There may be a file or two that break because they're
> not including everything they need, but I don't think anything in the
> header requires it.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Print debug information on user faults for SIGBUS if user_debug = 16
in the kernel command line.
Reference: <1327333344-26340-1-git-send-email-javi.merino@arm.com>
Signed-off-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The irq_start and hwirq_base assignment code is fairly hairy and ended
up being difficult to read following a conflict resolution for 3.2.
This patch rearranges the code slightly to make it easier to read.
Cc: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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ARM unconditionally selects CONFIG_GENERIC_HARDIRQS, so the definition
of for_each_irq_desc will check that the desc is non-NULL anyway.
This patch removes a redundant check from the IRQ migration code.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Cortex-A7 implements an ARMv7-compatible PMU compliant with the PMUv2
architecture specification.
This patch adds support for the PMU to the ARM perf backend.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Ensure that the software state for sched_clock() is updated at the
point of suspend so that we avoid losing ticks since the last update.
This prevents the platform dependent possibility that sched_clock()
may appear to go backwards across a suspend/resume cycle.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add the compiled ISA to oops dumps, along side the preempt/smp
configuration. This allows us to see immediately whether the kernel
was compiled for Thumb-2 or not.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The compiler does not conditionalize the assembly instructions for
the tlb operations, which leads to sub-optimal code being generated
when building a kernel for multiple CPUs.
We can tweak things fairly simply as the code fragment below shows:
17f8: e3120001 tst r2, #1 ; 0x1
...
1800: 0a000000 beq 1808 <handle_pte_fault+0x194>
1804: ee061f10 mcr 15, 0, r1, cr6, cr0, {0}
1808: e3120004 tst r2, #4 ; 0x4
180c: 0a000000 beq 1814 <handle_pte_fault+0x1a0>
1810: ee081f36 mcr 15, 0, r1, cr8, cr6, {1}
becomes:
17f0: e3120001 tst r2, #1 ; 0x1
17f4: 1e063f10 mcrne 15, 0, r3, cr6, cr0, {0}
17f8: e3120004 tst r2, #4 ; 0x4
17fc: 1e083f36 mcrne 15, 0, r3, cr8, cr6, {1}
Overall, for Realview with V6 and V7 CPUs configured:
text data bss dec hex filename
4153998 207340 5371036 9732374 948116 ../build/realview/vmlinux.before
4153366 207332 5371036 9731734 947e96 ../build/realview/vmlinux.after
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This line is irritating and wrong when modules are not supported, so
don't show it then.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Wire up support for the XZ decompressor
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch adds some endianness-agnostic helpers to convert machine
instructions between canonical integer form and in-memory
representation.
A canonical integer form for representing instructions is also
formalised here.
Signed-off-by: Dave Martin <dave.martin@linaro.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Jon Medhurst <tixy@yxit.co.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Now that we can select a sched_clock at runtime, let's implement
it for the Integrator AP, default-select the one found in all
other board it for all plat-versatile boards and make the right
clock kick in at runtime.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The current user mapping for the vectors page is inserted as a `horrible
hack vma' into each task via arch_setup_additional_pages. This causes
problems with the MM subsystem and vm_normal_page, as described here:
https://lkml.org/lkml/2012/1/14/55
Following the suggestion from Hugh in the above thread, this patch uses
the gate_vma for the vectors user mapping, therefore consolidating
the horrible hack VMAs into one.
Acked-and-Tested-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Avoid namespace conflicts with drivers over the CP15 definitions by
moving CP15 related prototypes and definitions to a private header
file.
Acked-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com> [Tegra]
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Tested-by: H Hartley Sweeten <hsweeten@visionengravers.com> [EP93xx]
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Rather than open-coding the jiffy-based wait, and polling for the
secondary CPU to come online, use a completion instead. This
removes the need to poll, instead we will be notified when the
secondary CPU has initialized.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Initialize the contents of the vectors page immediately after we
allocate the page, but before we map it. This avoids any possible
aliases with other mappings which may need to be flushed after the
page has been mapped irrespective of the cache type.
We follow this later with a flush_cache_all() after all static memory
mappings have been initialized, which ensures that this is safe from
any cache effects.
Tested-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add a new seqfile for reporting coherent DMA allocations. This contains
the address range, size and the function which was used to allocate
each region, allowing these allocations to be viewed in much the same
way as /proc/vmallocinfo.
The DMA coherent region has limited space, so this allows allocation
failures to be viewed, as well as finding out how much space is being
used.
Make sure this file is only readable by root - same as vmallocinfo - to
prevent information leakage.
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This updates the Integrator defconfig to include the hardware
found on the Integrator/CP: SMC91X, CLCD, MMCI/PL180. Further
the sometimes disrupting VGA_CONSOLE is disabled (those who
have a VGA card can enable it) and typical default VFAT
layouts of the MMC cards are supported by enabling VFAT and
CP437 encoding of the file system.
After this my default kernels boot successfully on Integrator
AP and CP alike.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
ARM: fixes for ARM platforms
Some fallout from the 3.3. merge window as well as a couple bug fixes
for older preexisting bugs that seem valid to include at this time:
* sched_clock changes broke picoxcell, fix included
* BSYM bugs causing issues with thumb2-built kernels on SMP
* Missing module.h include on msm.
* A collection of bugfixes for samsung platforms that didn't make it into
the first pull requests.
* tag 'arm-soc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: make BSYM macro assembly only
ARM: highbank: remove incorrect BSYM usage
ARM: imx: remove incorrect BSYM usage
ARM: exynos: remove incorrect BSYM usage
ARM: ux500: add missing ENDPROC to headsmp.S
ARM: msm: Add missing ENDPROC to headsmp.S
ARM: versatile: Add missing ENDPROC to headsmp.S
ARM: EXYNOS: Invert VCLK polarity for framebuffer on ORIGEN
ARM: S3C64XX: Fix interrupt configuration for PCA935x on Cragganmore
ARM: S3C64XX: Fix the memory mapped GPIOs on Cragganmore
ARM: S3C64XX: Remove hsmmc1 from Cragganmore
ARM: S3C64XX: Remove unconditional power domain disables
ARM: SAMSUNG: Declare struct platform_device in plat/s3c64xx-spi.h
ARM: SAMSUNG: dma-ops.h needs mach/dma.h
ARM: SAMSUNG: Guard against multiple inclusion of plat/dma.h
ARM: picoxcell: fix sched_clock() cleanup fallout
ARM: msm: vreg is a module and so needs module.h
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* 'next' of git://git.infradead.org/users/vkoul/slave-dma: (53 commits)
ARM: mach-shmobile: specify CHCLR registers on SH7372
dma: shdma: fix runtime PM: clear channel buffers on reset
dma/imx-sdma: save irq flags when use spin_lock in sdma_tx_submit
dmaengine/ste_dma40: clear LNK on channel startup
dmaengine: intel_mid_dma: remove legacy pm interface
ASoC: mxs: correct 'direction' of device_prep_dma_cyclic
dmaengine: intel_mid_dma: error path fix
dmaengine: intel_mid_dma: locking and freeing fixes
mtd: gpmi-nand: move to dma_transfer_direction
mtd: fix compile error for gpmi-nand
mmc: mxs-mmc: fix the dma_transfer_direction migration
dmaengine: add DMA_TRANS_NONE to dma_transfer_direction
dma: mxs-dma: Don't use CLKGATE bits in CTRL0 to disable DMA channels
dma: mxs-dma: make mxs_dma_prep_slave_sg() multi user safe
dma: mxs-dma: Always leave mxs_dma_init() with the clock disabled.
dma: mxs-dma: fix a typo in comment
DMA: PL330: Remove pm_runtime_xxx calls from pl330 probe/remove
video i.MX IPU: Fix display connections
i.MX IPU DMA: Fix wrong burstsize settings
dmaengine/ste_dma40: allow fixed physical channel
...
Fix up conflicts in drivers/dma/{Kconfig,mxs-dma.c,pl330.c}
The conflicts looked pretty trivial, but I'll ask people to verify them.
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit: (29 commits)
audit: no leading space in audit_log_d_path prefix
audit: treat s_id as an untrusted string
audit: fix signedness bug in audit_log_execve_info()
audit: comparison on interprocess fields
audit: implement all object interfield comparisons
audit: allow interfield comparison between gid and ogid
audit: complex interfield comparison helper
audit: allow interfield comparison in audit rules
Kernel: Audit Support For The ARM Platform
audit: do not call audit_getname on error
audit: only allow tasks to set their loginuid if it is -1
audit: remove task argument to audit_set_loginuid
audit: allow audit matching on inode gid
audit: allow matching on obj_uid
audit: remove audit_finish_fork as it can't be called
audit: reject entry,always rules
audit: inline audit_free to simplify the look of generic code
audit: drop audit_set_macxattr as it doesn't do anything
audit: inline checks for not needing to collect aux records
audit: drop some potentially inadvisable likely notations
...
Use evil merge to fix up grammar mistakes in Kconfig file.
Bad speling and horrible grammar (and copious swearing) is to be
expected, but let's keep it to commit messages and comments, rather than
expose it to users in config help texts or printouts.
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This patch provides functionality to audit system call events on the
ARM platform. The implementation was based off the structure of the
MIPS platform and information in this
(http://lists.fedoraproject.org/pipermail/arm/2009-October/000382.html)
mailing list thread. The required audit_syscall_exit and
audit_syscall_entry checks were added to ptrace using the standard
registers for system call values (r0 through r3). A thread information
flag was added for auditing (TIF_SYSCALL_AUDIT) and a meta-flag was
added (_TIF_SYSCALL_WORK) to simplify modifications to the syscall
entry/exit. Now, if either the TRACE flag is set or the AUDIT flag is
set, the syscall_trace function will be executed. The prober changes
were made to Kconfig to allow CONFIG_AUDITSYSCALL to be enabled.
Due to platform availability limitations, this patch was only tested
on the Android platform running the modified "android-goldfish-2.6.29"
kernel. A test compile was performed using Code Sourcery's
cross-compilation toolset and the current linux-3.0 stable kernel. The
changes compile without error. I'm hoping, due to the simple modifications,
the patch is "obviously correct".
Signed-off-by: Nathaniel Husted <nhusted@gmail.com>
Signed-off-by: Eric Paris <eparis@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
* 'samsung-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: EXYNOS: Invert VCLK polarity for framebuffer on ORIGEN
ARM: S3C64XX: Fix interrupt configuration for PCA935x on Cragganmore
ARM: S3C64XX: Fix the memory mapped GPIOs on Cragganmore
ARM: S3C64XX: Remove hsmmc1 from Cragganmore
ARM: S3C64XX: Remove unconditional power domain disables
ARM: SAMSUNG: Declare struct platform_device in plat/s3c64xx-spi.h
ARM: SAMSUNG: dma-ops.h needs mach/dma.h
ARM: SAMSUNG: Guard against multiple inclusion of plat/dma.h
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into fixes
* 'fixes-for-arm-soc' of git://sources.calxeda.com/kernel/linux:
ARM: make BSYM macro assembly only
ARM: highbank: remove incorrect BSYM usage
ARM: imx: remove incorrect BSYM usage
ARM: exynos: remove incorrect BSYM usage
ARM: ux500: add missing ENDPROC to headsmp.S
ARM: msm: Add missing ENDPROC to headsmp.S
ARM: versatile: Add missing ENDPROC to headsmp.S
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into fixes
* 'msm-fix' of git://codeaurora.org/quic/kernel/davidb/linux-msm:
ARM: msm: vreg is a module and so needs module.h
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into fixes
* 'picoxcell-fixes' of git://github.com/jamieiles/linux-2.6-ji:
ARM: picoxcell: fix sched_clock() cleanup fallout
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* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
ARM: OMAP3: fix build on !CONFIG_IOMMU_API
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git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-arm
* 'fixes' of git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-arm:
ARM: sa11x0: assabet: fix build warning
ARM: Add arm_memblock_steal() to allocate memory away from the kernel
ARM: 7275/1: LPAE: Check the CPU support for the long descriptor format
ARM: 7274/1: NUC900: Rename nuc900-audio platform device to nuc900-ac97
ARM: 7272/1: S3C24XX: Fix build error for missing <mach/system-reset.h>
ARM: 7271/1: Fix typo in conversion of ARCH_NR_GPIOS to Kconfig
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
* 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / Hibernate: Drop the check of swap space size for compressed image
PM / shmobile: fix A3SP suspend method
PM / Domains: Skip governor functions for CONFIG_PM_RUNTIME unset
PM / Domains: Fix build for CONFIG_PM_SLEEP unset
PM: Make sysrq-o be available for CONFIG_PM unset
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
Kbuild: Use dtc's -d (dependency) option
dtc: Implement -d option to write out a dependency file
kbuild: Fix comment in Makefile.lib
scripts/genksyms: clean lex/yacc generated files
kbuild: Correctly deal with make options which contain an "s"
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Since a32618d2 (ARM: pgtable: switch to use pgtable-nopud.h), assabet
warns as follows:
arch/arm/mach-sa1100/assabet.c: In function 'map_sa1100_gpio_regs':
arch/arm/mach-sa1100/assabet.c:264: warning: passing argument 1 of 'pmd_offset' from incompatible pointer type
Fix this by adding the necessary pud_offset() macro.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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BSYM macro is only needed for assembly files and its usage in c files is
wrong, so only define it for assembly.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Dave Martin <dave.martin@linaro.org>
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BSYM macro is only needed for assembly files and its usage in c files is
wrong, so remove it. The linker will correctly set bit 0 for Thumb2
kernels.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Dave Martin <dave.martin@linaro.org>
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BSYM macro is only needed for assembly files and its usage in c files is
wrong, so remove it. The linker will correctly set bit 0 for Thumb2
kernels.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Sascha Hauer <kernel@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Dave Martin <dave.martin@linaro.org>
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BSYM macro is only needed for assembly files and its usage in c files is
wrong, so remove it. The linker will correctly set bit 0 for Thumb2
kernels.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Dave Martin <dave.martin@linaro.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
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Once the ENDPROC is in place, BSYM() in not longer necessary
to get correct pointer to u8500_secondary_startup().
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: Linus Walleij <linus.walleij@stericsson.com>
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Once the ENDPROC is in place, BSYM() in not longer necessary
to get correct pointer to msm_secondary_startup().
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: David Brown <davidb@codeaurora.org>
Cc: Daniel Walker <dwalker@fifo99.com>
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Once the ENDPROC is in place, BSYM() in not longer necessary
to get correct pointer to versatile_secondary_startup().
Tested-by: Jon Medhurst <tixy@linaro.org>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Acked-by: Dave Martin <dave.martin@linaro.org>
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omap3isp depends on CONFIG_IOMMU_API, so avoid registering its
device (and defining its configuration structs) on !CONFIG_IOMMU_API.
This is generally nice to have, but more importantly, it fixes:
arch/arm/plat-omap/include/plat/iommu.h: In function 'dev_to_omap_iommu':
arch/arm/plat-omap/include/plat/iommu.h:135: error: 'struct
dev_archdata' has no member named 'iommu'
arch/arm/mach-omap2/devices.c: In function 'omap3_init_camera':
arch/arm/mach-omap2/devices.c:222: error: 'struct dev_archdata' has no
member named 'iommu'
make[1]: *** [arch/arm/mach-omap2/devices.o] Error 1
make: *** [arch/arm/mach-omap2] Error 2
Which happens because while setting up the omap3isp device we try
to access the (now nonexistent) iommu member of dev_archdata.
Compile tested with omap2plus_defconfig on today's:
commit e343a895a9f342f239c5e3c5ffc6c0b1707e6244
Merge: 06792c4 193a667
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Tue Jan 10 18:04:27 2012 -0800
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Reported-by: Govindraj Raja <govindraj.raja@ti.com>
Reported-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Joerg Roedel <Joerg.Roedel@amd.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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* 'for-next' of git://git.infradead.org/users/dhowells/linux-headers:
UAPI: Split trivial #if defined(__KERNEL__) && X conditionals
UAPI: Don't have a #elif clause in a __KERNEL__ guard in linux/soundcard.h
UAPI: Fix AHZ multiple inclusion when __KERNEL__ is removed
UAPI: Make linux/patchkey.h easier to parse
UAPI: Fix nested __KERNEL__ guards in video/edid.h
UAPI: Alter the S390 asm include guards to be recognisable by the UAPI splitter
UAPI: Guard linux/cuda.h
UAPI: Guard linux/pmu.h
UAPI: Guard linux/isdn_divertif.h
UAPI: Guard linux/sound.h
UAPI: Rearrange definition of HZ in asm-generic/param.h
UAPI: Make FRV use asm-generic/param.h
UAPI: Make M32R use asm-generic/param.h
UAPI: Make MN10300 use asm-generic/param.h
UAPI: elf_read_implies_exec() is a kernel-only feature - so hide from userspace
UAPI: Don't include linux/compat.h in sparc's asm/siginfo.h
UAPI: Fix arch/mips/include/asm/Kbuild to have separate header-y lines
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* 'fbdev-next' of git://github.com/schandinat/linux-2.6: (175 commits)
module_param: make bool parameters really bool (drivers/video/i810)
Revert "atmel_lcdfb: Adjust HFP calculation so it matches the manual."
OMAPDSS: HDMI: Disable DDC internal pull up
OMAPDSS: HDMI: Move duplicate code from boardfile
OMAPDSS: add OrtusTech COM43H4M10XTC display support
OMAP: DSS2: Support for UMSH-8173MD TFT panel
ASoC: OMAP: HDMI: Move HDMI codec trigger function to generic HDMI driver
OMAPDSS: HDMI: Create function to enable HDMI audio
ASoC: OMAP: HDMI: Correct signature of ASoC functions
ASoC: OMAP: HDMI: Introduce driver data for audio codec
grvga: fix section mismatch warnings
video: s3c-fb: Don't keep device runtime active when open
video: s3c-fb: Hold runtime PM references when touching registers
video: s3c-fb: Take a runtime PM reference when unblanked
video: s3c-fb: Disable runtime PM in error paths from probe
video: s3c-fb: Use s3c_fb_enable() to enable the framebuffer
video: s3c-fb: Make runtime PM functional again
drivers/video: fsl-diu-fb: merge fsl_diu_alloc() into map_video_memory()
drivers/video: fsl-diu-fb: add default platform ops functions
drivers/video: fsl-diu-fb: remove broken reference count enabling the display
...
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