* On machines with large MMIO/PCI E820 spaces we fail to boot b/c
we failed to pre-allocate large enough virtual space for extend_brk.
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Merge tag 'stable/for-linus-3.6-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen fix from Konrad Rzeszutek Wilk:
"Way back in v3.5 we added a mechanism to populate back pages that were
released (they overlapped with MMIO regions), but neglected to reserve
the proper amount of virtual space for extend_brk to work properly.
Coincidentally some other commit aligned the _brk space to larger area
so I didn't trigger this until it was run on a machine with more than
2GB of MMIO space."
* On machines with large MMIO/PCI E820 spaces we fail to boot b/c
we failed to pre-allocate large enough virtual space for extend_brk.
* tag 'stable/for-linus-3.6-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen/p2m: Reserve 8MB of _brk space for P2M leafs when populating back.
This reverts commit 00e37bdb01.
During shutdown of PVHVM guests with more than 2VCPUs on certain
machines we can hit the race where the replaced shared_info is not
replaced fast enough and the PV time clock retries reading the same
area over and over without any any success and is stuck in an
infinite loop.
Acked-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Put the parameters the right way around
Addresses https://bugzilla.kernel.org/show_bug.cgi?id=44031
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
When we map a page that wasn't icache cleared before, do so when first
mapping it in KVM using the same information bits as the Linux mapping
logic. That way we are 100% sure that any page we map does not have stale
entries in the icache.
Signed-off-by: Alexander Graf <agraf@suse.de>
In handling the H_CEDE hypercall, if this vcpu has already been
prodded (with the H_PROD hypercall, which Linux guests don't in fact
use), we branch to a numeric label '1f'. Unfortunately there is
another '1:' label before the one that we want to jump to. This fixes
the problem by using a textual label, 'kvm_cede_prodded'. It also
changes the label for another longish branch from '2:' to
'kvm_cede_exit' to avoid a possible future problem if code modifications
add another numeric '2:' label in between.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Pull two sparc fixes from David S. Miller.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: Be less verbose during vmemmap population.
sparc64: do not clobber personality flags in sys_sparc64_personality()
The generic atomic64 support came in 2009 to support the perf subsystem
with the expectation that all architectures would implement atomic64
support. Since then, other optional parts of the generic kernel have
also come to expect atomic64 support. This patch enables generic atomic64
support for C6X architecture.
Signed-off-by: Mark Salter <msalter@redhat.com>
C6X currently lacks Lx_CACHE_SHIFT defines which are needed in a
few places in the generic kernel. This patch adds _SHIFT defines
for the various caches and bases the Lx_CACHE_BYTES defines on
them.
Signed-off-by: Mark Salter <msalter@redhat.com>
From Jason Cooper <jason@lakedaemon.net>:
Small fixes for the orion platforms including kirkwood.
* 'fixes-for-v3.6' of git://git.infradead.org/users/jcooper/linux:
ARM: Kirkwood: fix Makefile.boot
ARM: Kirkwood: Fix iconnect leds
ARM: Orion: Set eth packet size csum offload limit
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
While building the dtbs target, one is getting:
make dtbs
make[1]: *** No rule to make target `arch/arm/boot/kirkwood-qnap-ts219.dtb', needed by `arch/arm/boot/dtbs'. Stop.
make: *** [dtbs] Error 2
The reason is that there's no kirkwood-qnap-ts219.dts file. Update Makefile.boot
to reflect the dts files present.
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
While converting, a led has been missed leading to wrong power blue led
definition. Add it back and fix the gpio used on the power blue led.
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The mv643xx ethernet controller limits the packet size for the TX
checksum offloading. This patch sets this limits for Kirkwood and
Dove which have smaller limits that the default.
As a side note, this patch is an updated version of a patch sent some years
ago: http://lists.infradead.org/pipermail/linux-arm-kernel/2010-June/017320.html
which seems to have been lost.
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Cc: <stable@vger.kernel.org>
PM related.
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Merge tag 'omap-fixes-for-v3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Omap fixes for issues noted during the merge window, mostly
PM related.
* tag 'omap-fixes-for-v3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP: dmtimers: Fix locking issue in omap_dm_timer_request*()
ARM: OMAP4: Register the OPP table only for 4430 device
cpufreq: OMAP: Handle missing frequency table on SMP systems
ARM: OMAP4: sleep: Save the complete used register stack frame
ARM: OMAP2+: cpu: Add am33xx device under cpu_class_is_omap2
omap: Fix multi.h when only ARCH_OMAP3 and SOC_AM33XX are selected
ARM: OMAP2+: Fix dmtimer set source clock failure
Revert "ARM: OMAP3: PM: call pre/post transition per powerdomain"
ARM: OMAP3: TWL4030: ensure sys_nirq1 is mux'd and wakeup enabled
omap2: mux: remove comment for nonexistent member
OMAP: remove unused parameter arch_id from uncompress.h
arm/dts: Mark vcxio, v2v1 and v1v8 regulators as always on
OMAP2+: Fix random config build break with !ARM_CPU_SUSPEND
arm/dts: Fix am33xx wdt node
ARM: OMAP3: igep0020: set GPIO mode for mux mcspi1_cs2 pin
Revert "ARM: OMAP3530evm: set pendown_state and debounce time for ads7846"
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Seems that Thomas' and my patches collided during the last merge
window.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
On a 2-node machine with 256GB of ram we get 512 lines of
console output, which is just too much.
This mimicks Yinghai Lu's x86 commit c2b91e2eec
(x86_64/mm: check and print vmemmap allocation continuous) except that
we aren't ever going to get contiguous block pointers in between calls
so just print when the virtual address or node changes.
This decreases the output by an order of 16.
Also demote this to KERN_DEBUG.
Signed-off-by: David S. Miller <davem@davemloft.net>
This reverts commit bacef661ac.
This commit has been found to cause serious regressions on a number of
ASUS machines at the least. We probably need to provide a 1:1 map in
addition to the EFI virtual memory map in order for this to work.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Reported-and-bisected-by: Jérôme Carretero <cJ-ko@zougloub.eu>
Cc: Jan Beulich <jbeulich@suse.com>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20120805172903.5f8bb24c@zougloub.eu
Recent commit 332afa656e cleaned up
a workaround that updates irq_cfg domain for legacy irq's that
are handled by the IO-APIC. This was assuming that the recent
changes in assign_irq_vector() were sufficient to remove the workaround.
But this broke couple of AMD platforms. One of them seems to be
sending interrupts to the offline cpu's, resulting in spurious
"No irq handler for vector xx (irq -1)" messages when those cpu's come online.
And the other platform seems to always send the interrupt to the last logical
CPU (cpu-7). Recent changes had an unintended side effect of using only logical
cpu-0 in the IO-APIC RTE (during boot for the legacy interrupts) and this
broke the legacy interrupts not getting routed to the cpu-7 on the AMD
platform, resulting in a boot hang.
For now, reintroduce the removed workaround, (essentially not allowing the
vector to change for legacy irq's when io-apic starts to handle the irq. Which
also addressed the uninteded sife effect of just specifying cpu-0 in the
IO-APIC RTE for those irq's during boot).
Reported-and-tested-by: Robert Richter <robert.richter@amd.com>
Reported-and-tested-by: Borislav Petkov <bp@amd64.org>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1344453412.29170.5.camel@sbsiddha-desk.sc.intel.com
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Pull s390 patches from Martin Schwidefsky:
"Included are bug fixes and a patch to enable system call filtering
with BPF."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/compat: fix mmap compat system calls
s390/compat: fix compat wrappers for process_vm system calls
s390: do not clobber personality flags in sys_32_personality()
s390/seccomp: add support for system call filtering using BPF
s390/sclp_sdias: Add missing break and "fall through"
s390/mm: remove MAX_PHYSADDR_BITS define
Patch b6d1c33a31 "ARM: Orion: Consolidate the address map setup" tried
to merge the address map for the four orion platforms, but apparently
got it wrong for mv78xx0. Admittedly I don't understand what this
code actually does, but it's clear that the current version is
wrong.
Without this patch, building mv78xx0_defconfig results in:
arch/arm/mach-mv78xx0/addr-map.c:59:2: warning: initialization from incompatible pointer type [enabled by default]
arch/arm/mach-mv78xx0/addr-map.c:59:2: warning: (near initialization for 'addr_map_cfg.win_cfg_base') [enabled by default]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Cc: Michael Walle <michael@walle.cc>
Cc: Nicolas Pitre <nico@linaro.org>
If PMU counter has PEBS enabled it is not enough to disable counter
on a guest entry since PEBS memory write can overshoot guest entry
and corrupt guest memory. Disabling PEBS during guest entry solves
the problem.
Tested-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20120809085234.GI3341@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
The Westmere-EX uncore is similar to the Nehalem-EX uncore. The
differences are:
- Westmere-EX uncore has 10 instances of Cbox. The MSRs for Cbox8
and Cbox9 in the Westmere-EX aren't contiguous with Cbox 0~7.
- The fvid field in the ZDP_CTL_FVC register in the Mbox is
different. It's 5 bits in the Nehalem-EX, 6 bits in the
Westmere-EX.
Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1344229882-3907-3-git-send-email-zheng.z.yan@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This patch includes following fixes and update:
- Only some events in the Sbox and Mbox can use the match/mask
registers, add code to check this.
- The format definitions for xbr_mm_cfg and xbr_match registers
in the Rbox are wrong, xbr_mm_cfg should use 32 bits, xbr_match
should use 64 bits.
- Cleanup the Rbox code. Compute the addresses extra registers in
the enable_event function instead of the hw_config function.
This simplifies the code in nhmex_rbox_alter_er().
Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1344229882-3907-2-git-send-email-zheng.z.yan@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Fix the following section mismatch:
WARNING: arch/x86/kernel/cpu/built-in.o(.text+0x7ad9): Section mismatch in reference from the function uncore_types_exit() to the function .init.text:uncore_type_exit()
The function uncore_types_exit() references the function __init
uncore_type_exit(). This is often because uncore_types_exit lacks a
__init annotation or the annotation of uncore_type_exit is wrong.
caused by 14371cce03 ("perf: Add generic PCI uncore PMU device
support").
Cc: Zheng Yan <zheng.z.yan@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1339741902-8449-8-git-send-email-zheng.z.yan@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Calling omap_dm_timer_prepare while the spinlock is held is not
allowed as sleeping functions are called later on during the
preparation (namely within clk_get()).
dm_timer_lock is only required for protecting the
omap_timer_list. After the timer is marked as reserved, the lock is no
longer needed and should be freed.
Signed-off-by: Timo Kokkonen <timo.t.kokkonen@iki.fi>
Cc: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This partially reverts 357c9c1f07
(ARM: Remove support for ARMv3 ARM610 and ARM710 CPUs).
Although we only support StrongARM on the RiscPC, we need to keep the
ARMv3 user access code for this platform because the bus does not
understand half-word load/stores.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
- Fix a resource leak in the SCH driver
- Fix the register address calculation in the MSIC driver
- Fix the PXA driver's devicetree functions
- Delete redundant shadow variable leftovers in the MXC driver
- Specify the GPIO base for the device tree probe in the MXC driver
- Add a modalias for the i.MX driver
- Fix off-by-one bug in the Samsung driver
- Fix erroneous errorpath in the Langwell driver
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Merge tag 'gpio-fixes-v3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull gpio fixes from Linus Walleij:
- Fix a resource leak in the SCH driver
- Fix the register address calculation in the MSIC driver
- Fix the PXA driver's devicetree functions
- Delete redundant shadow variable leftovers in the MXC driver
- Specify the GPIO base for the device tree probe in the MXC driver
- Add a modalias for the i.MX driver
- Fix off-by-one bug in the Samsung driver
- Fix erroneous errorpath in the Langwell driver
* tag 'gpio-fixes-v3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
drivers/gpio/gpio-langwell.c: fix error return code
gpio: samsung: Fix off-by-one bug in gpio addresses
ARM: dts: imx: add alias for gpio
gpio/mxc: specify gpio base for device tree probe
gpio/mxc: remove redundant shadow variables initialization
GPIO: gpio-pxa: fix devicetree functions
gpio: msic: Fix calculating register address in msic_gpio_to_oreg()
gpio-sch: Fix leak of resource
These are a bunch of bug fixes that came in after the merge window and
one update for the MAINTAINERS file. The largest part of the fixes
are patches that address bugs found by building all the ARM defconfig
files. There are a lot more warnings that we have patches for, but
the others are either still under discussion or are harmless and
do not cause actual problems besides making the build slightly noisy.
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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 bug fixes from Arnd Bergmann:
"These are a bunch of bug fixes that came in after the merge window and
one update for the MAINTAINERS file.
The largest part of the fixes are patches that address bugs found by
building all the ARM defconfig files. There are a lot more warnings
that we have patches for, but the others are either still under
discussion or are harmless and do not cause actual problems besides
making the build slightly noisy."
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (30 commits)
ARM: davinci: remove broken ntosd2_init_i2c
ARM: s3c24xx: enable CONFIG_BUG for tct_hammer
omap-rng: fix use of SIMPLE_DEV_PM_OPS
spi/s3c64xx: improve error handling
mtd/omap2: fix dmaengine_slave_config error handling
gpio: em: do not discard em_gio_irq_domain_cleanup
ARM: exynos: exynos_pm_add_dev_to_genpd may be unused
ARM: imx: gpmi-nand depends on mxs-dma
ARM: integrator: include <linux/export.h>
ARM: s3c24xx: use new PWM driver
ARM: sa1100: include linux/io.h in hackkit leds code
Input: eeti_ts: pass gpio value instead of IRQ
ARM: pxa: remove irq_to_gpio from ezx-pcap driver
ARM: tegra: more regulator fixes for Harmony
usb/ohci-omap: remove unused variable
mfd/asic3: fix asic3_mfd_probe return value
ARM: kirkwood: fix typo in Makefile.boot
i.MX27: Fix emma-prp and csi clocks.
ARM: integrator: use clk_prepare_enable() for timer
MAINTAINERS: update entry for Linus Walleij
...
Pull three dma-mapping fixes from Marek Szyprowski.
* 'fixes-for-linus-for-3.6-rc2' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
ARM: dma-mapping: fix incorrect freeing of atomic allocations
ARM: dma-mapping: fix atomic allocation alignment
ARM: mm: fix MMU mapping of CMA regions
Commit 5a783cbc48 ("ARM: 7478/1: errata: extend workaround for erratum
#720789") added workarounds for erratum #720789 to the range TLB
invalidation functions with the observation that the erratum only
affects SMP platforms. However, when running an SMP_ON_UP kernel on a
uniprocessor platform we must take care to preserve the ASID as the
workaround is not required.
This patch ensures that we don't set the ASID to 0 when flushing the TLB
on such a system, preserving the original behaviour with the workaround
disabled.
Cc: <stable@vger.kernel.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Page migration encodes the pfn in the offset field of a swp_entry_t.
For LPAE, we support physical addresses of up to 36 bits (due to
sparsemem limitations with the size of page flags), requiring 24 bits
to represent a pfn. A further 3 bits are used to encode a swp_entry into
a pte, leaving 5 bits for the type field. Furthermore, the core code
defines MAX_SWAPFILES_SHIFT as 5, so the additional type bit does not
get used.
This patch reduces the width of the type field to 5 bits, allowing us
to create up to 31 swapfiles of 64GB each.
Cc: <stable@vger.kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Swap entries are encoding in ptes such that !pte_present(pte) and
pte_file(pte). The remaining bits of the descriptor are used to identify
the swapfile and offset within it to the swap entry.
When writing such a pte for a user virtual address, set_pte_at
unconditionally sets the nG bit, which (in the case of LPAE) will
corrupt the swapfile offset and lead to a BUG:
[ 140.494067] swap_free: Unused swap offset entry 000763b4
[ 140.509989] BUG: Bad page map in process rs:main Q:Reg pte:0ec76800 pmd:8f92e003
This patch fixes the problem by only setting the nG bit for user
mappings that are actually present.
Cc: <stable@vger.kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Many clocks that are used to provide sched_clock will reset during
suspend. If read_sched_clock returns 0 after suspend, sched_clock will
appear to jump forward. This patch resets cd.epoch_cyc to the current
value of read_sched_clock during resume, which causes sched_clock() just
after suspend to return the same value as sched_clock() just before
suspend.
In addition, during the window where epoch_ns has been updated before
suspend, but epoch_cyc has not been updated after suspend, it is unknown
whether the clock has reset or not, and sched_clock() could return a
bogus value. Add a suspended flag, and return the pre-suspend epoch_ns
value during this period.
The new behavior is triggered by calling setup_sched_clock_needs_suspend
instead of setup_sched_clock.
Signed-off-by: Colin Cross <ccross@android.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Now that ARM has implemented its spinlocks with tickets we don't
need to use the generic lockbreak algorithm. Remove the Kconfig
from ARM so that we use the arch_spin_is_contended() definition
from the asm header. This also saves a word in each lock because
we don't need the break_lock member anymore.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
VFPv4 support depends on the VFPv3 context save/restore code, so only
advertise support in the hwcaps if the kernel can actually handle it.
Cc: <stable@vger.kernel.org> # 3.1+
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Get rid of this warning..
arch/arm/kernel/built-in.o(.text+0xac78): Section mismatch in reference
from the function init_cpu_topology() to the function
.init.text:parse_dt_topology()
The function init_cpu_topology() references
the function __init parse_dt_topology().
This is often because init_cpu_topology lacks a __init
annotation or the annotation of parse_dt_topology is wrong.
Signed-off-by: Venkatraman S <svenkatr@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
GCC built with nonstandard options can enable -fpic by default.
We never want this for 32-bit kernels and it will break the build.
[ hpa: Notably the Android toolchain apparently does this. ]
Change-Id: Iaab7d66e598b1c65ac4a4f0229eca2cd3d0d2898
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
Link: http://lkml.kernel.org/r/1344624546-29691-1-git-send-email-andrew.p.boie@intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Fix the wrong logic: we should use || instead of &&
Cc: Leo Yan <leoy@marvell.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Yuanhan Liu <yliu.null@gmail.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Add the missing usb controller version info and port0, which is
required during setup usb phy.
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
ntosd2_init_i2c walks the ntosd2_i2c_info array, which it expects to
be populated with at least one member. gcc correctly warns about
the out-of-bounds access here.
Since this can not possibly work, it's better to disable i2c
support entirely on this board.
Without this patch, building davinci_all_defconfig results in:
arch/arm/mach-davinci/board-neuros-osd2.c: In function 'davinci_ntosd2_init':
arch/arm/mach-davinci/board-neuros-osd2.c:187:20: warning: array subscript is above array bounds [-Warray-bounds]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Andrey Porodko <panda@chelcom.ru>
Disabling CONFIG_BUG creates an insane amount of build warnings, which
makes it useless to check for building defconfigs to see if new
warnings show up.
Without this patch, building tct_hammer_defconfig results in:
net/packet/af_packet.c: In function 'tpacket_rcv':
net/packet/af_packet.c:1889:30: warning: 'hdrlen' may be used uninitialized in this function [-Wuninitialized]
net/core/ethtool.c: In function 'ethtool_get_feature_mask':
net/core/ethtool.c:213:1: warning: control reaches end of non-void function [-Wreturn-type]
block/cfq-iosched.c: In function 'cfq_async_queue_prio':
block/cfq-iosched.c:2914:1: warning: control reaches end of non-void function [-Wreturn-type]
mm/bootmem.c: In function 'mark_bootmem':
mm/bootmem.c:352:1: warning: control reaches end of non-void function [-Wreturn-type]
net/core/dev.c: In function 'skb_warn_bad_offload':
net/core/dev.c:1904:33: warning: unused variable 'null_features' [-Wunused-variable]
drivers/mtd/chips/cfi_probe.c: In function 'cfi_chip_setup':
include/linux/mtd/cfi.h:489:3: warning: 'r.x[0]' may be used uninitialized in this function [-Wuninitialized]
include/linux/mtd/map.h:394:11: note: 'r.x[0]' was declared here
include/linux/mtd/cfi.h:489:3: warning: 'r.x[0]' may be used uninitialized in this function [-Wuninitialized]
(and many more)
The size of vmlinux increases by 1.78% because of this:
size obj-arm/vmlinux.nobug
text data bss dec hex filename
2108474 116916 55352 2280742 22cd26 obj-arm/vmlinux
size obj-arm/vmlinux.bug
text data bss dec hex filename
2150804 116916 53696 2321416 236c08 obj-arm/vmlinux
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
These patches all fix bugs that were newly introduced in v3.6-rc1
and found because they cause a gcc warning with one of the ARM
defconfigs. Most of them are harmless, but since we're trying
to get rid of all warnings eventually, we can start with the ones
that were not there before.
* testing/new-warnings:
omap-rng: fix use of SIMPLE_DEV_PM_OPS
spi/s3c64xx: improve error handling
mtd/omap2: fix dmaengine_slave_config error handling
gpio: em: do not discard em_gio_irq_domain_cleanup
ARM: exynos: exynos_pm_add_dev_to_genpd may be unused
usb/ohci-omap: remove unused variable
mfd/asic3: fix asic3_mfd_probe return value
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
exynos_pm_add_dev_to_genpd is used if one or more out of a large
number of Kconfig symbols are enabled. However the new
exynos_defconfig selects none of those, so the function becomes
unused. Marking it so lets the compiler automatically discard
it.
Without this patch, building exynos_defconfig results in:
arch/arm/mach-exynos/pm_domains.c:118:123: warning: 'exynos_pm_add_dev_to_genpd' defined but not used [-Wunused-function]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
The 4430 OPP table was being registered for all other OMAP4 variants
too, like 4460 and 4470 causing issues with cpufreq driver
enabled. 4460 and 4470 devices have different OPPs as compared to
4430, and they should be populated seperately. As long as that
happens, let the OPP table registeration happen only on 4430 device.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
OMAP4 sleep entry code even though itself don't use many CPU registers
makes call to the v7_flush_dcache_all() which uses them. Since
v7_flush_dcache_all() doesn't make use of stack, the caller must take
care of the stack frame. Otherwise it will lead to corrupted stack frame.
Fix it by saving used registers.
Reported-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
It is not currently possible to build the gpmi-nand driver without
also building the mxs-dma driver. Clarify this Kconfig and enable
both in the defconfig file so we can build it again with both enabled.
drivers/built-in.o: In function `gpmi_dma_filter':
clk-fixed-factor.c:(.text+0xafc18): undefined reference to `mxs_dma_is_apbh'
make[1]: *** [vmlinux] Error 1
make: *** [sub-make] Error 2
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Without this patch, building integrator_defconfig results in:
arch/arm/mach-integrator/core.c:150:1: warning: data definition has no type or storage class [enabled by default]
arch/arm/mach-integrator/core.c:150:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL' [-Wimplicit-int]
arch/arm/mach-integrator/core.c:150:1: warning: parameter names (without types) in function declaration [enabled by default]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Russell King <linux@arm.linux.org.uk>
The samsung PWM driver has moved to the new PWM subsystem, which
changed the Kconfig symbol for that driver, but the rx1950 and
gta02 boards still uses the old one.
Without this patch, building s3c2410_defconfig results in:
arch/arm/mach-s3c24xx/built-in.o: In function `rx1950_lcd_power':
arch/arm/mach-s3c24xx/mach-rx1950.c:430: undefined reference to `pwm_config'
arch/arm/mach-s3c24xx/mach-rx1950.c:431: undefined reference to `pwm_disable'
arch/arm/mach-s3c24xx/mach-rx1950.c:437: undefined reference to `pwm_config'
arch/arm/mach-s3c24xx/mach-rx1950.c:438: undefined reference to `pwm_enable'
arch/arm/mach-s3c24xx/built-in.o: In function `rx1950_backlight_exit':
arch/arm/mach-s3c24xx/mach-rx1950.c:504: undefined reference to `pwm_free'
arch/arm/mach-s3c24xx/built-in.o: In function `rx1950_backlight_init':
arch/arm/mach-s3c24xx/mach-rx1950.c:487: undefined reference to `pwm_request'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Tushar Behera <tushar.behera@linaro.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
The sa1100 definition of the io_p2v macro has changed in v3.6, and this one
file stopped working because of that.
Without this patch, building hackkit_defconfig results in:
arch/arm/mach-sa1100/leds-hackkit.c: In function 'hackkit_leds_event':
arch/arm/mach-sa1100/leds-hackkit.c:39:4: error: implicit declaration of function 'IOMEM' [-Werror=implicit-function-declaration]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <linux@arm.linux.org.uk>
The EETI touchscreen asserts its IRQ line as soon as it has data in its
internal buffers. The line is automatically deasserted once all data has
been read via I2C. Hence, the driver has to monitor the GPIO line and
cannot simply rely on the interrupt handler reception.
In the current implementation of the driver, irq_to_gpio() is used to
determine the GPIO number from the i2c_client's IRQ value.
As irq_to_gpio() is not available on all platforms, this patch changes
this and makes the driver ignore the passed in IRQ. Instead, a GPIO is
added to the platform_data struct and gpio_to_irq is used to derive the
IRQ from that GPIO. If this fails, bail out. The driver is only able to
work in environments where the touchscreen GPIO can be mapped to an
IRQ.
Without this patch, building raumfeld_defconfig results in:
drivers/input/touchscreen/eeti_ts.c: In function 'eeti_ts_irq_active':
drivers/input/touchscreen/eeti_ts.c:65:2: error: implicit declaration of function 'irq_to_gpio' [-Werror=implicit-function-declaration]
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: stable@vger.kernel.org (v3.2+)
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Sven Neumann <s.neumann@raumfeld.com>
Cc: linux-input@vger.kernel.org
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Commit 3d55c29 "ARM: tegra: harmony: add regulator supply name and its
input supply" was supposed to fix all the problems with regulators on
Harmony. However, it appears that I only tested it when booting using
board files, not when booting using device tree. This change fixes two
problems with regulators when booting using device tree:
1) That patch only created the vdd_sys regulator when booting using a
board file. Since this is the root of the whole regulator tree, this
caused no regulators to successfully initialize when booting using
device tree. The registration of vdd_sys is moved to fix this.
2) When booting use DT, the regulator core sets has_full_constraints,
which in turn causes the core to turn off any regulators not marked
as always on. Some of the affected regulators are required for basic
system operation. To solve this, add always on constraints to all
relevant regulators. This doesn't affect booting using a board file
since nothing sets has_full_constraints in that case.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The alignment mask is calculated incorrectly. Fixing the calculation
makes strange hangs/lockups disappear during the boot with Amstrad E3
and 3.6-rc1 kernel.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Fix dma_contiguous_remap() so that it continues through all the
regions, even after encountering one that is outside lowmem.
Without this change, if you have two CMA regions, the first outside
lowmem and the seocnd inside lowmem, only the second one will get
set up in the MMU. Data written to that region then doesn't get
automatically flushed from the cache into memory.
Signed-off-by: Chris Brand <cbrand@broadcom.com>
[extended patch subject with 'fix' word]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
There are two ports that can output the LCD data, therefore
they have to use separate pimux identifiers so we can select
the one we want to use.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
When calling request_irq with IRQF_SHARED, the dev cookie must be set
(i.e. non-NULL), otherwise the code rejects it immediately with -EINVAL.
So restore the logic here where we'd pass a pointer to the name as a
dummy unique val.
Otherwise, booting up on my LANDISK system would fail with:
DMAC Address Error0 request_irq fail
This was introduced in commit 7f47c7189b.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Clear AVX, AVX2 features along with clearing XSAVE feature bits,
as part of the parsing "noxsave" parameter.
Fixes the kernel boot panic with "noxsave" boot parameter.
We could have checked cpu_has_osxsave along with cpu_has_avx etc, but Peter
mentioned clearing the feature bits will be better for uses like
static_cpu_has() etc.
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1343755754.2041.2.camel@sbsiddha-desk.sc.intel.com
Cc: <stable@vger.kernel.org> # v3.5
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
The native 31 bit and the compat behaviour for the mmap system calls differ:
In native 31 bit mode the passed in address for the mmap system call will be
unmodified passed to sys_mmap_pgoff().
In compat mode however the passed in address will be modified with
compat_ptr() which masks out the most significant bit.
The result is that in native 31 bit mode each mmap request (with MAP_FIXED)
will fail where the most significat bit is set, while in compat mode it
may succeed.
This odd behaviour was introduced with d3815898 "[S390] mmap: add missing
compat_ptr conversion to both mmap compat syscalls".
To restore a consistent behaviour accross native and compat mode this
patch functionally reverts the above mentioned commit.
Cc: stable@vger.kernel.org
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
The compat wrappers incorrectly called the non compat versions of
the system process_vm system calls.
Cc: stable@vger.kernel.org
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
There are multiple errors in how sys_32_personality() handles personality
flags stored in top three bytes.
- directly comparing current->personality against PER_LINUX32 doesn't work
in cases when any of the personality flags stored in the top three bytes
are used.
- directly forcefully setting personality to PER_LINUX32 or PER_LINUX
discards any flags stored in the top three bytes
Fix the first one by properly using personality() macro to compare only
PER_MASK bytes.
Fix the second one by setting only the bits that should be set, instead of
overwriting the whole value.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
AM33XX device falls under omap2 class, so make cpu_class_is_omap2()
macro true by adding soc_is_am33xx() to existing list of cpu/soc
check.
This is required to unblock the basic boot support on AM335x platform.
Having done that, we still need to sort out properly from
common zImage point of view without having to maintain this
cpu/soc_is_xxx list.
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
When only ARCH_OMAP3 (or -2,-4,...) and SOC_AM33XX are selected, multi.h
doesn't set MULTI_OMAP2. In this case, cpu.h will simply define
cpu_is_omap24xx() as 1.
This causes problems for example for omap_hwmod.c:omap_hwmod_init which
checks for cpu_is_omap24xx() first, using the wrong soc_ops for AM33xx.
Fix this by defining MULTI_OMAP2 when using SOC_AM33XX together with
something else.
Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Commit 350f2f4dad ("[media] v4l: s5p-tv: hdmi: add support for
platform data") makes the presence of platform data mandatory for
s5p-tv driver. Adding an API to plat-samsung for this purpose.
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Adds support for setting HDMI platform data for Exynos4X12 SoCs.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Calling the dmtimer function omap_dm_timer_set_source() fails if following a
call to pm_runtime_put() to disable the timer. For example the following
sequence would fail to set the parent clock ...
omap_dm_timer_stop(gptimer);
omap_dm_timer_set_source(gptimer, OMAP_TIMER_SRC_32_KHZ);
The following error message would be seen ...
omap_dm_timer_set_source: failed to set timer_32k_ck as parent
The problem is that, by design, pm_runtime_put() simply decrements the usage
count and returns before the timer has actually been disabled. Therefore,
setting the parent clock failed because the timer was still active when the
trying to set the parent clock. Setting a parent clock will fail if the clock
you are setting the parent of has a non-zero usage count. To ensure that this
does not fail use pm_runtime_put_sync() when disabling the timer.
Note that this will not be seen on OMAP1 devices, because these devices do
not use the clock framework for dmtimers.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Acked-by: Kevin Hilman <khilman@ti.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
Fixes the following sparse warning:
arch/arm/plat-samsung/pm.c:77:21:
warning: symbol 'uart_save' was not declared. Should it be static?
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Commit d670ac019f (ARM: SAMSUNG: DMA Cleanup as per sparse) changed the
prototype of the s3c2410_dma_* functions to use the enum dma_ch instead
of an generic unsigned int.
In the s3c24xx dma.c s3c2410_dma_enqueue seems to have been forgotten,
the other functions there were changed correctly.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Commit 2b90807549 (spi: s3c64xx: add device tree support) requires
the DMACH_DT_PROP element in the dma_ch enum. It's not used on non-DT
platforms but has to be present nevertheless.
So mimic the dummy-add of DMACH_DT_PROP on s3c64xx for s3c24xx
machines, to correct the build breakage for the s3c24xx variants
using the s3c64xx-spi-driver.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This reverts commit 58f0829b71.
Converstion to per-pwrdm per/post transition calls was a bit
premature. Only tracking MPU, PER & CORE in the idle path means we
lose the accounting for all the other powerdomains which may also
transition in idle. On OMAP3, due to autodeps, several powerdomains
transition along with MPU (e.g. DSS, USBHOST), and the accounting for
these was lost with this patch. Since the accounting includes the
context loss counters, drivers for devices in those power domains
would never notice context lost, so would likely hang after any
off-mode transitions.
This patch should be revisited when the upcoming clkdm/pwrmdm/voltdm
use-counting seires is merged since then we can properly do accounting
without relying on a call in the idle path.
In addition, the original patch had another bug because the PER
powerdomain accounting was not updated until after the GPIO resume
hook is called. Since gpio_resume_after_idle() checks the context
loss count (which is not yet updated) it would not properly restore
context, leaving the GPIO banks in an undefined state.
Cc: Jean Pihet <jean.pihet@newoldbits.com>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Reported-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
The SYS_NIRQ1 pin is the interupt line for the PMIC part of the TWL6030
and interrupts from the PMIC are needed as wakeup sources.
Ensure this pin is mux'd as input and has wakeup enabled so PMIC
interupts (e.g. RTC) can be used as wakeup sources.
Tested on 3430/n900, OMAP3530/Overo Fire, 3730/Overo FireSTORM,
3730/Beagle-xM.
Signed-off-by: Kevin Hilman <khilman@ti.com>
There is not point in having arch_id as parameter of __arch_decomp_setup(),
nothing in it uses arch_id. The machine id is already exported (and used)
with symbol __machine_arch_type as per mach-types.h.
Removing the pointless macro as well.
Signed-off-by: Domenico Andreoli <domenico.andreoli@linux.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
vcxio, v2v1 and v1v8 are expected to be always on, update the dtsi
for twl6030 to reflect this.
commit '86f5fc' regulator: core: Mark all DT based boards as having
full constraints) caused these to be disabled at late boot causing
OMAP4 boards (using twl6030) to lockup.
Reported-by: Kishon Vijay Abraham I <kishon@ti.com>
Reported-by: J Keerthy <j-keerthy@ti.com>
Signed-off-by: Rajendra nayak <rnayak@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Just a small typo fix to make lsxl dtbs compile
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@googlemail.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The random config builds with PM and !ARM_CPU_SUSPEND breaks with below
error on omap2plus_defconfig.
arch/arm/mach-omap2/sleep44xx.S:323: undefined reference to `cpu_resume'
arch/arm/mach-omap2/omap-mpuss-lowpower.c:278: undefined reference to `cpu_suspend'
This is because recently merged OMAP5 platform shares the common files
with OMAP4 but doesn't select ARM_CPU_SUSPEND. Without the ARM_CPU_SUSPEND
the sleep code is meaningless.
Fix the same by adding ARM_CPU_SUSPEND for OMAP5. The suggestion came from
Russell King in an off-list discussion.
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Kevin Hilman <khilman@ti.com>
Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Naming of emma-prp related clocks for the i.MX27 is not correct.
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Add am33xx wdt node.
Signed-off-by: Afzal Mohammed <afzal@ti.com>
[tony@atomide.com: I messed up and produced an empty commit db27ac80 with stg apply]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add alias for gpio nodes, so that gpio driver can identify the port
number and then specify a sensible gpio base rather than using the
one dynamically allocated by gpio core.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
1) The above commit introduced a common ->get_pendown_state() function
into the generic code, but that function was board-specific for the
OMAP3EVM and thus broke most other boards using this code.
2) The above commit was mis-merged introducing another bug which
prevents the ads7846 driver probe function to succeed.
The omap_ads7846_init() function frees the pendown GPIO in case there is
no ->get_pendown_state() function set by the caller (board specific
code), so it can be requested later by the ads7846 driver.
The above commit add a common ->get_pendown_state() function without
removing the gpio_free() call and thus once the ads7846 driver tries
to use the pendown GPIO, it crashes as the pendown GPIO has not been
requested.
3) The above commit introduces NO new functionality as
get_pendown_state() function is already implemented in a suitable way by
the ads7846 driver and the debounce time handling has already been
fixed by commit 97ee9f01 (ARM: OMAP: fix the ads7846 init code).
This reverts commit 16aced80f6.
Conflicts:
arch/arm/mach-omap2/common-board-devices.c
Solved by taking the working version prior to the above commit.
Cc: Zumeng Chen <zumeng.chen@windriver.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
The Integrator timer is using the clock framework to get the
timer frequency, but missed to prepare the clock before enabling.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
When MSR_KVM_PV_EOI_EN was added to msrs_to_save array
KVM_SAVE_MSRS_BEGIN was not updated accordingly.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
With this patch ocotp support will always be build into the kernel on mxs.
Otherwise a DT-only kernel fails to link with:
arch/arm/mach-mxs/mach-mxs.c:169: undefined reference to `mxs_get_ocotp'
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
The CONFIG_DEFAULT_MMAP_MIN_ADDR was set to 65536 in mxs_defconfig,
this caused severe breakage of userland applications since the upper
limit for ARM is 32768. By default CONFIG_DEFAULT_MMAP_MIN_ADDR is
set to 4096 and can also be changed via /proc/sys/vm/mmap_min_addr
if needed.
Quoting Russell King [1]:
"4096 is also fine for ARM too. There's not much point in having
defconfigs change it - that would just be pure noise in the config
files."
the CONFIG_DEFAULT_MMAP_MIN_ADDR can be removed from the defconfig
altogether.
This problem was introduced by commit cde7c41 (ARM: configs: add
defconfig for mach-mxs).
[1] http://marc.info/?l=linux-arm-kernel&m=134401593807820&w=2
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: stable@vger.kernel.org
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Wolfgang Denk <wd@denx.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Pull ACPI and power management fixes from Len Brown:
"A 3.3 sleep regression fixed, numa bugfix, plus some minor cleanups"
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
ACPI processor: Fix tick_broadcast_mask online/offline regression
ACPI: Only count valid srat memory structures
ACPI: Untangle a return statement for better readability
ACPI / PCI: Do not try to acquire _OSC control if that is hopeless
ACPI: delete _GTS/_BFS support
ACPI/x86: revert 'x86, acpi: Call acpi_enter_sleep_state via an asmlinkage C function from assembler'
ACPI: replace strlen("string") with sizeof("string") -1
ACPI / PM: Fix build warning in sleep.c for CONFIG_ACPI_SLEEP unset
Pull x86 fixes from Ingo Molnar:
"Various fixes"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86-64, kcmp: The kcmp system call can be common
arch/x86/kernel/kdebugfs.c: Ensure a consistent return value in error case
x86/mce: Add quirk for instruction recovery on Sandy Bridge processors
x86/mce: Move MCACOD defines from mce-severity.c to <asm/mce.h>
x86/ioapic: Fix NULL pointer dereference on CPU hotplug after disabling irqs
x86, nops: Missing break resulting in incorrect selection on Intel
x86: CONFIG_CC_STACKPROTECTOR=y is no longer experimental
Pull perf fixes from Ingo Molnar:
"Fix merge window fallout and fix sleep profiling (this was always
broken, so it's not a fix for the merge window - we can skip this one
from the head of the tree)."
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/trace: Add ability to set a target task for events
perf/x86: Fix USER/KERNEL tagging of samples properly
perf/x86/intel/uncore: Make UNCORE_PMU_HRTIMER_INTERVAL 64-bit
Pull m68k updates from Geert Uytterhoeven.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Make sys_atomic_cmpxchg_32 work on classic m68k
m68k/apollo: Rename "timer" to "apollo_timer"
zorro: Remove unused zorro_bus.devices
m68k: Remove never used asm/shm.h
m68k/sun3: Remove unselectable code in prom_init()
m68k: Use asm-generic version of <asm/sections.h>
m68k: Replace m68k-specific _[se]bss by generic __bss_{start,stop}
mtd/uclinux: Use generic __bss_stop instead of _ebss
m68knommu: Allow ColdFire CPUs to use unaligned accesses
m68k: Remove five unused headers
m68k: CPU32 does not support unaligned accesses
m68k: Introduce config option CPU_HAS_NO_UNALIGNED
m68k: delay, muldi3 - Use CONFIG_CPU_HAS_NO_MULDIV64
m68k: Move CPU_HAS_* config options
m68k: Remove duplicate FPU config option
m68knommu: Clean up printing of sections
m68k: Use asm-generic version of <asm/types.h>
m68k: Use Kbuild logic to import asm-generic headers
Commit 88cde8b (ARM: dts: imx: update #interrupt-cells for gpio nodes)
changes gpio #interrupt-cells from 1 to 2 without updating the users.
It causes the gpio irq requesting call failing in client driver's probe
function.
Add the irq type cell for those gpio interrupt users to fix their
driver probe failure.
Reported-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Since commit c7e963f (net/smsc911x: Add regulator support), the lan9220
device tree probe fails on imx53-ard board, because the commit makes
VDD33A and VDDVARIO supplies mandatory for the driver.
Add a fixed dummy 3V3 supplying lan9220 to fix the regression.
Cc: stable@vger.kernel.org
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
The imx5 common clock migration causes a regression with smsc911x
driver on imx53-ard board, where a smsc lan9220 controller gets
connected on imx53 with EIM interface. EIM needs clock emi_slow_gate
to be functional. In the new imx5 clock driver, there is no use count
incremented for the clock by enabling it, so the framework closes the
clock at late init time and makes EIM stop working then.
Enable emi_slow_gate in clock driver initialization to fix the
regression.
Cc: stable@vger.kernel.org
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Fix the keypad clock name, in order to fix the following error:
imx-keypad imx-keypad: failed to get keypad clock
imx-keypad: probe of imx-keypad failed with error -2
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: stable@vger.kernel.org
We change fsl_add_bridge to return -ENODEV if the controller is working in
agent mode. Then check the return value of fsl_add_bridge to guarantee
that only successfully added host bus will be scanned.
Signed-off-by: Jia Hongtao <B38951@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
In order to have audio functional on mx6qsabrelite, it is necessary
to setup the IOMUX for MX6Q_PAD_GPIO_0__CCM_CLKO pins as it provides
the audio clock.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Directly comparing task_struct->personality against PER_* is not fully
correct, as it doesn't take flags potentially stored in top three bytes
into account.
Analogically, directly forcefully setting personality to PER_LINUX32 or
PER_LINUX discards any flags stored in the top three bytes.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Otherwise you could run into:
WARN_ON in numa_register_memblks(), because node_possible_map is zero
References: https://bugzilla.novell.com/show_bug.cgi?id=757888
On this machine (ProLiant ML570 G3) the SRAT table contains:
- No processor affinities
- One memory affinity structure (which is set disabled)
CC: Per Jessen <per@opensuse.org>
CC: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
User space access must always go through uaccess accessors, since on
classic m68k user space and kernel space are completely separate.
Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Tested-by: Thorsten Glaser <tg@debian.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: stable@vger.kernel.org
Pull OLPC platform updates from Andres Salomon:
"These move the OLPC Embedded Controller driver out of
arch/x86/platform and into drivers/platform/olpc.
OLPC machines are now ARM-based (which means lots of x86 and ARM
changes), but are typically pretty self-contained.. so it makes more
sense to go through a separate OLPC tree after getting the appropriate
review/ACKs."
* 'for-linus-3.6' of git://dev.laptop.org/users/dilinger/linux-olpc:
x86: OLPC: move s/r-related EC cmds to EC driver
Platform: OLPC: move global variables into priv struct
Platform: OLPC: move debugfs support from x86 EC driver
x86: OLPC: switch over to using new EC driver on x86
Platform: OLPC: add a suspended flag to the EC driver
Platform: OLPC: turn EC driver into a platform_driver
Platform: OLPC: allow EC cmd to be overridden, and create a workqueue to call it
drivers: OLPC: update various drivers to include olpc-ec.h
Platform: OLPC: add a stub to drivers/platform/ for the OLPC EC driver
This branch contains a set of device-tree conversions for Marvell Orion
platforms that were staged early but took a few tries to get the branch
into a format where it was suitable for us to pick up.
Given that most people working on these platforms are hobbyists with
limited time, we were a bit more flexible with merging it even though
it came in late.
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Merge tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc Marvell Orion device-tree updates from Olof Johansson:
"This contains a set of device-tree conversions for Marvell Orion
platforms that were staged early but took a few tries to get the
branch into a format where it was suitable for us to pick up.
Given that most people working on these platforms are hobbyists with
limited time, we were a bit more flexible with merging it even though
it came in late."
* tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (21 commits)
ARM: Kirkwood: Replace mrvl with marvell
ARM: Kirkwood: Describe GoFlex Net LEDs and SATA in DT.
ARM: Kirkwood: Describe Dreamplug LEDs in DT.
ARM: Kirkwood: Describe iConnects LEDs in DT.
ARM: Kirkwood: Describe iConnects temperature sensor in DT.
ARM: Kirkwood: Describe IB62x0 LEDs in DT.
ARM: Kirkwood: Describe IB62x0 gpio-keys in DT.
ARM: Kirkwood: Describe DNS32? gpio-keys in DT.
ARM: Kirkwood: Move common portions into a kirkwood-dnskw.dtsi
ARM: Kirkwood: Replace DNS-320/DNS-325 leds with dt bindings
ARM: Kirkwood: Describe DNS325 temperature sensor in DT.
ARM: Kirkwood: Use DT to configure SATA device.
ARM: kirkwood: use devicetree for SPI on dreamplug
ARM: kirkwood: Add LS-XHL and LS-CHLv2 support
ARM: Kirkwood: Initial DTS support for Kirkwood GoFlex Net
ARM: Kirkwood: Add basic device tree support for QNAP TS219.
ATA: sata_mv: Add device tree support
ARM: Orion: DTify the watchdog timer.
ARM: Orion: Add arch support needed for I2C via DT.
ARM: kirkwood: use devicetree for orion-spi
...
Conflicts:
drivers/watchdog/orion_wdt.c
Coupled cpuidle was meant to merge for 3.5 through Len Brown's tree, but
didn't go in because the pull request ended up rejected. So it just got
merged, and we got this staged branch that enables the coupled cpuidle
code on OMAP.
With a stable git workflow from the other maintainer we could have staged
this earlier, but that wasn't the case so we have had to merge it late.
The alternative is to hold it off until 3.7 but given that the code is
well-isolated to OMAP and they are eager to see it go in, I didn't push
back hard in that direction.
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Merge tag 'pm2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc cpuidle enablement for OMAP from Olof Johansson:
"Coupled cpuidle was meant to merge for 3.5 through Len Brown's tree,
but didn't go in because the pull request ended up rejected. So it
just got merged, and we got this staged branch that enables the
coupled cpuidle code on OMAP.
With a stable git workflow from the other maintainer we could have
staged this earlier, but that wasn't the case so we have had to merge
it late.
The alternative is to hold it off until 3.7 but given that the code is
well-isolated to OMAP and they are eager to see it go in, I didn't
push back hard in that direction."
* tag 'pm2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: OMAP4: CPUidle: Open broadcast clock-event device.
ARM: OMAP4: CPUidle: add synchronization for coupled idle states
ARM: OMAP4: CPUidle: Use coupled cpuidle states to implement SMP cpuidle.
ARM: OMAP: timer: allow gp timer clock-event to be used on both cpus
A few fixes for merge window fallout, and a bugfix for timer resume
on PRIMA2.
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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:
"A few fixes for merge window fallout, and a bugfix for timer resume on
PRIMA2."
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: mmp: add missing irqs.h
arm: mvebu: fix typo in .dtsi comment for Armada XP SoCs
ARM: PRIMA2: delete redundant codes to restore LATCHED when timer resumes
ARM: mxc: Include missing irqs.h header
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Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh
Pull SuperH fixes from Paul Mundt.
* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh: (24 commits)
sh: explicitly include sh_dma.h in setup-sh7722.c
sh: ecovec: care CN5 VBUS if USB host mode
sh: sh7724: fixup renesas_usbhs clock settings
sh: intc: initial irqdomain support.
sh: pfc: Fix up init ordering mess.
serial: sh-sci: fix compilation breakage, when DMA is enabled
dmaengine: shdma: restore partial transfer calculation
sh: modify the sh_dmae_slave_config for RSPI in setup-sh7757
sh: Fix up recursive fault in oops with unset TTB.
sh: pfc: Build fix for pinctrl_remove_gpio_range() changes.
sh: select the fixed regulator driver on several boards
sh: ecovec: switch MMC power control to regulators
sh: add fixed voltage regulators to se7724
sh: add fixed voltage regulators to sdk7786
sh: add fixed voltage regulators to rsk
sh: add fixed voltage regulators to migor
sh: add fixed voltage regulators to kfr2r09
sh: add fixed voltage regulators to ap325rxa
sh: add fixed voltage regulators to sh7757lcr
sh: add fixed voltage regulators to sh2007
...
arch/arm/mach-mmp/gplugd.c:195:13: error: ‘MMP_NR_IRQS’ undeclared here
(not in a function)
make[1]: *** [arch/arm/mach-mmp/gplugd.o] Error 1
Include <mach/irqs.h> to fix this issue.
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
The comment was wrongly referring to Armada 370 while the file is
related to Armada XP.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
The only way to write LATCHED registers to write LATCH_BIT to LATCH register,
that will latch COUNTER into LATCHED.e.g.
writel_relaxed(SIRFSOC_TIMER_LATCH_BIT, sirfsoc_timer_base +
SIRFSOC_TIMER_LATCH);
Writing values to LATCHED registers directly is useless at all.
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
When we release pages back during bootup:
Freeing 9d-100 pfn range: 99 pages freed
Freeing 9cf36-9d0d2 pfn range: 412 pages freed
Freeing 9f6bd-9f6bf pfn range: 2 pages freed
Freeing 9f714-9f7bf pfn range: 171 pages freed
Freeing 9f7e0-9f7ff pfn range: 31 pages freed
Freeing 9f800-100000 pfn range: 395264 pages freed
Released 395979 pages of unused memory
We then try to populate those pages back. In the P2M tree however
the space for those leafs must be reserved - as such we use extend_brk.
We reserve 8MB of _brk space, which means we can fit over
1048576 PFNs - which is more than we should ever need.
Without this, on certain compilation of the kernel we would hit:
(XEN) domain_crash_sync called from entry.S
(XEN) CPU: 0
(XEN) RIP: e033:[<ffffffff818aad3b>]
(XEN) RFLAGS: 0000000000000206 EM: 1 CONTEXT: pv guest
(XEN) rax: ffffffff81a7c000 rbx: 000000000000003d rcx: 0000000000001000
(XEN) rdx: ffffffff81a7b000 rsi: 0000000000001000 rdi: 0000000000001000
(XEN) rbp: ffffffff81801cd8 rsp: ffffffff81801c98 r8: 0000000000100000
(XEN) r9: ffffffff81a7a000 r10: 0000000000000001 r11: 0000000000000003
(XEN) r12: 0000000000000004 r13: 0000000000000004 r14: 000000000000003d
(XEN) r15: 00000000000001e8 cr0: 000000008005003b cr4: 00000000000006f0
(XEN) cr3: 0000000125803000 cr2: 0000000000000000
(XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e033
(XEN) Guest stack trace from rsp=ffffffff81801c98:
.. which is extend_brk hitting a BUG_ON.
Interestingly enough, most of the time we are not going to hit this
b/c the _brk space is quite large (v3.5):
ffffffff81a25000 B __brk_base
ffffffff81e43000 B __brk_limit
= ~4MB.
vs earlier kernels (with this back-ported), the space is smaller:
ffffffff81a25000 B __brk_base
ffffffff81a7b000 B __brk_limit
= 344 kBytes.
where we would certainly hit this and hit extend_brk.
Note that git commit c3d93f8801
(xen: populate correct number of pages when across mem boundary (v2))
exposed this bug).
[v1: Made it 8MB of _brk space instead of 4MB per Jan's suggestion]
CC: stable@vger.kernel.org #only for 3.5
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Fix serial console node and allow the board to boot again.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
There are multiple errors in how sys_sparc64_personality() handles
personality flags stored in top three bytes.
- directly comparing current->personality against PER_LINUX32 doesn't work
in cases when any of the personality flags stored in the top three bytes
are used.
- directly forcefully setting personality to PER_LINUX32 or PER_LINUX
discards any flags stored in the top three bytes
Fix the first one by properly using personality() macro to compare only
PER_MASK bytes.
Fix the second one by setting only the bits that should be set, instead of
overwriting the whole value.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
setup-sh7722.c defines several objects, whose types are defined in
sh_dma.h, so, it has to be included explicitly.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Pull MIPS updates from Ralf Baechle:
"The lion share of this pull request are fixes for clk-related breakage
caused by other changes during this merge window. For some platforms
the fix was as simple as selecting HAVE_CLK, for others like the
Loongson 2 significant restructuring was required.
The remainder are changes required to get the Lantiq code to work
again."
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: Loongson 2: Sort out clock managment.
MIPS: Loongson 1: more clk support and add select HAVE_CLK
MIPS: txx9: Fix redefinition of clk_* by adding select HAVE_CLK
MIPS: BCM63xx: Fix redefinition of clk_* by adding select HAVE_CLK
MIPS: AR7: Fix redefinition of clk_* by adding select HAVE_CLK
MIPS: Lantiq: Platform specific CLK fixup
MIPS: Lantiq: Add device_tree_init function
MIPS: Lantiq: Fix interface clock and PCI control register offset
Pull UML fixes from Richard Weinberger:
"This patch set contains mostly fixes and cleanups. The UML tty driver
uses now tty_port and is no longer broken like hell :-)"
* 'for-linus-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: Add arch/x86/um to MAINTAINERS
um: pass siginfo to guest process
um: fix ubd_file_size for read-only files
um: pull interrupt_end() into userspace()
um: split syscall_trace(), pass pt_regs to it
um: switch UPT_SET_RETURN_VALUE and regs_return_value to pt_regs
um: set BLK_CGROUP=y in defconfig
um: remove count_lock
um: fully use tty_port
um: Remove dead code
um: remove line_ioctl()
TTY: um/line, use tty from tty_port
TTY: um/line, add tty_port
Pull ARM DMA engine updates from Russell King:
"This looks scary at first glance, but what it is is:
- a rework of the sa11x0 DMA engine driver merged during the previous
cycle, to extract a common set of helper functions for DMA engine
implementations.
- conversion of amba-pl08x.c to use these helper functions.
- addition of OMAP DMA engine driver (using these helper functions),
and conversion of some of the OMAP DMA users to use DMA engine.
Nothing in the helper functions is ARM specific, so I hope that other
implementations can consolidate some of their code by making use of
these helpers.
This has been sitting in linux-next most of the merge cycle, and has
been tested by several OMAP folk. I've tested it on sa11x0 platforms,
and given it my best shot on my broken platforms which have the
amba-pl08x controller.
The last point is the addition to feature-removal-schedule.txt, which
will have a merge conflict. Between myself and TI, we're planning to
remove the old TI DMA implementation next year."
Fix up trivial add/add conflicts in Documentation/feature-removal-schedule.txt
and drivers/dma/{Kconfig,Makefile}
* 'dmaengine' of git://git.linaro.org/people/rmk/linux-arm: (53 commits)
ARM: 7481/1: OMAP2+: omap2plus_defconfig: enable OMAP DMA engine
ARM: 7464/1: mmc: omap_hsmmc: ensure probe returns error if DMA channel request fails
Add feature removal of old OMAP private DMA implementation
mtd: omap2: remove private DMA API implementation
mtd: omap2: add DMA engine support
spi: omap2-mcspi: remove private DMA API implementation
spi: omap2-mcspi: add DMA engine support
ARM: omap: remove mmc platform data dma_mask and initialization
mmc: omap: remove private DMA API implementation
mmc: omap: add DMA engine support
mmc: omap_hsmmc: remove private DMA API implementation
mmc: omap_hsmmc: add DMA engine support
dmaengine: omap: add support for cyclic DMA
dmaengine: omap: add support for setting fi
dmaengine: omap: add support for returning residue in tx_state method
dmaengine: add OMAP DMA engine driver
dmaengine: sa11x0-dma: add cyclic DMA support
dmaengine: sa11x0-dma: fix DMA residue support
dmaengine: PL08x: ensure all descriptors are freed when channel is released
dmaengine: PL08x: get rid of write only pool_ctr and free_txd locking
...
Pull ARM audit/signal updates from Russell King:
"ARM audit/signal handling updates from Al and Will. This improves on
the work Viro did last merge window, and sorts out some of the issues
found with that work."
* 'audit' of git://git.linaro.org/people/rmk/linux-arm:
ARM: 7475/1: sys_trace: allow all syscall arguments to be updated via ptrace
ARM: 7474/1: get rid of TIF_SYSCALL_RESTARTSYS
ARM: 7473/1: deal with handlerless restarts without leaving the kernel
ARM: 7472/1: pull all work_pending logics into C function
ARM: 7471/1: Revert "7442/1: Revert "remove unused restart trampoline""
ARM: 7470/1: Revert "7443/1: Revert "new way of handling ERESTART_RESTARTBLOCK""
Pull ARM fixes from Russell King:
"This fixes various issues found during July"
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: 7479/1: mm: avoid NULL dereference when flushing gate_vma with VIVT caches
ARM: Fix undefined instruction exception handling
ARM: 7480/1: only call smp_send_stop() on SMP
ARM: 7478/1: errata: extend workaround for erratum #720789
ARM: 7477/1: vfp: Always save VFP state in vfp_pm_suspend on UP
ARM: 7476/1: vfp: only clear vfp state for current cpu in vfp_pm_suspend
ARM: 7468/1: ftrace: Trace function entry before updating index
ARM: 7467/1: mutex: use generic xchg-based implementation for ARMv6+
ARM: 7466/1: disable interrupt before spinning endlessly
ARM: 7465/1: Handle >4GB memory sizes in device tree and mem=size@start option
Commit b2da15ac26 ("KVM: VMX: Optimize %ds, %es reload") broke i386
in the following scenario:
vcpu_load
...
vmx_save_host_state
vmx_vcpu_run
(ds.rpl, es.rpl cleared by hardware)
interrupt
push ds, es # pushes bad ds, es
schedule
vmx_vcpu_put
vmx_load_host_state
reload ds, es (with __USER_DS)
pop ds, es # of other thread's stack
iret
# other thread runs
interrupt
push ds, es
schedule # back in vcpu thread
pop ds, es # now with rpl=0
iret
...
vcpu_put
resume_userspace
iret # clears ds, es due to mismatched rpl
(instead of resume_userspace, we might return with SYSEXIT and then
take an exception; when the exception IRETs we end up with cleared
ds, es)
Fix by avoiding the optimization on i386 and reloading ds, es on the
lightweight exit path.
Reported-by: Chris Clayron <chris2553@googlemail.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
We already use the same system call handler for i386 and x86-64, there
is absolutely no reason x32 can't use the same system call, too.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: H.J. Lu <hjl.tools@gmail.com>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: <stable@vger.kernel.org> v3.5
Link: http://lkml.kernel.org/n/tip-vwzk3qbcr3yjyxjg2j38vgy9@git.kernel.org
UML guest processes now get correct siginfo_t for SIGTRAP, SIGFPE,
SIGILL and SIGBUS. Specifically, si_addr and si_code are now correct
where previously they were si_addr = NULL and si_code = 128.
Signed-off-by: Martin Pärtel <martin.partel@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Made ubd_file_size not request write access. Fixes use of read-only images.
Signed-off-by: Martin Pärtel <martin.partel@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
When a guest migrates to a new host, the system time difference from the
previous host is used in the updates to the kvmclock system time visible
to the guest, resulting in a continuation of correct kvmclock based guest
timekeeping.
The wall clock component of the kvmclock provided time is currently not
updated with this same time offset. Since the Linux guest caches the
wall clock based time, this discrepency is not noticed until the guest is
rebooted. After reboot the guest's time calculations are off.
This patch adjusts the wall clock by the kvmclock_offset, resulting in
correct guest time after a reboot.
Cc: Zachary Amsden <zamsden@gmail.com>
Signed-off-by: Bruce Rogers <brogers@suse.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
It includes:
- large updates for OMAP
- support for LCD3 overlay manager (omap5)
- omapdss output cleanup
- removal of passive matrix LCD support as there are no drivers for
such panels for DSS or DSS2 and nobody complained (cleanup)
- large updates for SH Mobile
- overlay support
- separating MERAM (cache) from framebuffer driver
- some updates for Exynos and da8xx-fb
- various other small patches
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Merge tag 'fbdev-updates-for-3.6' of git://github.com/schandinat/linux-2.6
Pull fbdev updates from Florian Tobias Schandinat:
- large updates for OMAP
- support for LCD3 overlay manager (omap5)
- omapdss output cleanup
- removal of passive matrix LCD support as there are no drivers for
such panels for DSS or DSS2 and nobody complained (cleanup)
- large updates for SH Mobile
- overlay support
- separating MERAM (cache) from framebuffer driver
- some updates for Exynos and da8xx-fb
- various other small patches
* tag 'fbdev-updates-for-3.6' of git://github.com/schandinat/linux-2.6: (78 commits)
da8xx-fb: fix compile issue due to missing include
fbdev: Make pixel_to_pat() failure mode more friendly
da8xx-fb: do not turn ON LCD backlight unless LCDC is enabled
fbdev: sh_mobile_lcdc: Fix vertical panning step
video: exynos mipi dsi: Fix mipi dsi regulators handling issue
video: da8xx-fb: do clock reset of revision 2 LCDC before enabling
arm: da850: configure LCDC fifo threshold
video: da8xx-fb: configure FIFO threshold to reduce underflow errors
video: da8xx-fb: fix flicker due to 1 frame delay in updated frame
video: da8xx-fb rev2: fix disabling of palette completion interrupt
da8xx-fb: add missing FB_BLANK operations
video: exynos_dp: use usleep_range instead of delay
video: exynos_dp: check the only INTERLANE_ALIGN_DONE bit during Link Training
fb: epson1355fb: Fix section mismatch
video: exynos_dp: fix wrong DPCD address during Link Training
video/smscufx: fix line counting in fb_write
aty128fb: Fix coding style issues
fbdev: sh_mobile_lcdc: Fix pan offset computation in YUV mode
fbdev: sh_mobile_lcdc: Fix overlay registers update during pan operation
fbdev: sh_mobile_lcdc: Support horizontal panning
...
Pull second vfs pile from Al Viro:
"The stuff in there: fsfreeze deadlock fixes by Jan (essentially, the
deadlock reproduced by xfstests 068), symlink and hardlink restriction
patches, plus assorted cleanups and fixes.
Note that another fsfreeze deadlock (emergency thaw one) is *not*
dealt with - the series by Fernando conflicts a lot with Jan's, breaks
userland ABI (FIFREEZE semantics gets changed) and trades the deadlock
for massive vfsmount leak; this is going to be handled next cycle.
There probably will be another pull request, but that stuff won't be
in it."
Fix up trivial conflicts due to unrelated changes next to each other in
drivers/{staging/gdm72xx/usb_boot.c, usb/gadget/storage_common.c}
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (54 commits)
delousing target_core_file a bit
Documentation: Correct s_umount state for freeze_fs/unfreeze_fs
fs: Remove old freezing mechanism
ext2: Implement freezing
btrfs: Convert to new freezing mechanism
nilfs2: Convert to new freezing mechanism
ntfs: Convert to new freezing mechanism
fuse: Convert to new freezing mechanism
gfs2: Convert to new freezing mechanism
ocfs2: Convert to new freezing mechanism
xfs: Convert to new freezing code
ext4: Convert to new freezing mechanism
fs: Protect write paths by sb_start_write - sb_end_write
fs: Skip atime update on frozen filesystem
fs: Add freezing handling to mnt_want_write() / mnt_drop_write()
fs: Improve filesystem freezing handling
switch the protection of percpu_counter list to spinlock
nfsd: Push mnt_want_write() outside of i_mutex
btrfs: Push mnt_want_write() outside of i_mutex
fat: Push mnt_want_write() outside of i_mutex
...
For unexplainable reasons the Loongson 2 clock API was implemented in a
module so fixing this involved shifting large amounts of code around.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This fixes a redefinition of clk_*:
arch/mips/loongson1/common/clock.c:23:13: error: redefinition of 'clk_get'
include/linux/clk.h:281:27: note: previous definition of 'clk_get' was here
arch/mips/loongson1/common/clock.c:41:15: error: redefinition of 'clk_get_rate'
include/linux/clk.h:302:29: note: previous definition of 'clk_get_rate' was here
make[3]: *** [arch/mips/loongson1/common/clock.o] Error 1
Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org>
Cc: linux-mips@linux-mips.org
Reviewed-by: John Crispin <blogic@openwrt.org>
Acked-by: Kelvin Cheung <keguang.zhang@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/4143/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/txx9/generic/setup.c:87:13: error: redefinition of 'clk_get'
include/linux/clk.h:281:27: note: previous definition of 'clk_get' was here
arch/mips/txx9/generic/setup.c:97:5: error: redefinition of 'clk_enable'
include/linux/clk.h:295:19: note: previous definition of 'clk_enable' was here
arch/mips/txx9/generic/setup.c:103:6: error: redefinition of 'clk_disable'
include/linux/clk.h:300:20: note: previous definition of 'clk_disable' was here
arch/mips/txx9/generic/setup.c:108:15: error: redefinition of 'clk_get_rate'
include/linux/clk.h:302:29: note: previous definition of 'clk_get_rate' was here
arch/mips/txx9/generic/setup.c:114:6: error: redefinition of 'clk_put'
include/linux/clk.h:291:20: note: previous definition of 'clk_put' was here
make[3]: *** [arch/mips/txx9/generic/setup.o] Error 1
Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org>
Cc: linux-mips@linux-mips.org
Reviewed-by: John Crispin <blogic@openwrt.org>
Patchwork: https://patchwork.linux-mips.org/patch/4142/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/bcm63xx/clk.c:249:5: error: redefinition of 'clk_enable'
include/linux/clk.h:295:19: note: previous definition of 'clk_enable' was here
arch/mips/bcm63xx/clk.c:259:6: error: redefinition of 'clk_disable'
include/linux/clk.h:300:20: note: previous definition of 'clk_disable' was here
arch/mips/bcm63xx/clk.c:268:15: error: redefinition of 'clk_get_rate'
include/linux/clk.h:302:29: note: previous definition of 'clk_get_rate' was here
arch/mips/bcm63xx/clk.c:275:13: error: redefinition of 'clk_get'
include/linux/clk.h:281:27: note: previous definition of 'clk_get' was here
arch/mips/bcm63xx/clk.c:302:6: error: redefinition of 'clk_put'
include/linux/clk.h:291:20: note: previous definition of 'clk_put' was here
make[2]: *** [arch/mips/bcm63xx/clk.o] Error 1
Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org>
Cc: linux-mips@linux-mips.org
Reviewed-by: John Crispin <blogic@openwrt.org>
Patchwork: https://patchwork.linux-mips.org/patch/4141/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/ar7/clock.c:420:5: error: redefinition of 'clk_enable'
include/linux/clk.h:295:19: note: previous definition of 'clk_enable' was here
arch/mips/ar7/clock.c:426:6: error: redefinition of 'clk_disable'
include/linux/clk.h:300:20: note: previous definition of 'clk_disable' was here
arch/mips/ar7/clock.c:431:15: error: redefinition of 'clk_get_rate'
include/linux/clk.h:302:29: note: previous definition of 'clk_get_rate' was here
arch/mips/ar7/clock.c:437:13: error: redefinition of 'clk_get'
include/linux/clk.h:281:27: note: previous definition of 'clk_get' was here
arch/mips/ar7/clock.c:454:6: error: redefinition of 'clk_put'
include/linux/clk.h:291:20: note: previous definition of 'clk_put' was here
make[2]: *** [arch/mips/ar7/clock.o] Error 1
Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org>
Cc: linux-mips@linux-mips.org
Reviewed-by: John Crispin <blogic@openwrt.org>
Acked-by: Florian Fainelli <florian@openwrt.org>
Patchwork: https://patchwork.linux-mips.org/patch/4140/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
As we use CLKDEV_LOOKUP but dont have support for COMMON_CLK yet, we need to
provide our own version of of_clk_get_from_provider().
Signed-off-by: John Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4117/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Add a lantiq specific version of device_tree_init. The generic MIPS version
was removed by.
commit 594e966bc412d64eec9282d28ce511bdd62fea39
Author: David Daney <david.daney@cavium.com>
Date: Thu Jul 5 18:12:38 2012 +0200
MIPS: Prune some target specific code out of prom.c
Signed-off-by: John Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4116/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
The XRX200 based SoC have a different register offset for the interface
clock and PCI control registers. This patch detects the SoC and sets the
register offset at runtime. This make PCI work on the VR9 SoC.
Signed-off-by: John Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4113/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
renesas_usbhs driver can control both USB Host/Gadget,
but it needs VBUS output if Host mode.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
