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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (34 commits)
ACPI: processor: push file static MADT pointer into internal map_madt_entry()
ACPI: processor: refactor internal map_lsapic_id()
ACPI: processor: refactor internal map_x2apic_id()
ACPI: processor: refactor internal map_lapic_id()
ACPI: processor: driver doesn't need to evaluate _PDC
ACPI: processor: remove early _PDC optin quirks
ACPI: processor: add internal processor_physically_present()
ACPI: processor: move acpi_get_cpuid into processor_core.c
ACPI: processor: export acpi_get_cpuid()
ACPI: processor: mv processor_pdc.c processor_core.c
ACPI: processor: mv processor_core.c processor_driver.c
ACPI: plan to delete "acpi=ht" boot option
ACPI: remove "acpi=ht" DMI blacklist
PNPACPI: add bus number support
PNPACPI: add window support
resource: add window support
resource: add bus number support
resource: expand IORESOURCE_TYPE_BITS to make room for bus resource type
acpiphp: Execute ACPI _REG method for hotadded devices
ACPI video: Be more liberal in validating _BQC behaviour
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Commit 6992f5334995af474c2b58d010d08bc597f0f2fe ("sysfs: Use one lockdep
class per sysfs attribute.") introduced this requirement. First, at25
was fixed manually. Then, other occurences were found with coccinelle
and the following semantic patch. Results were reviewed and fixed up:
@ init @
identifier struct_name, bin;
@@
struct struct_name {
...
struct bin_attribute bin;
...
};
@ main extends init @
expression E;
statement S;
identifier name, err;
@@
(
struct struct_name *name;
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- struct struct_name *name = NULL;
+ struct struct_name *name;
)
...
(
sysfs_bin_attr_init(&name->bin);
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+ sysfs_bin_attr_init(&name->bin);
if (sysfs_create_bin_file(E, &name->bin))
S
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+ sysfs_bin_attr_init(&name->bin);
err = sysfs_create_bin_file(E, &name->bin);
)
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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'bugzilla-531916-power-state', 'ht-warn-2.6.34', 'pnp', 'processor-rename', 'sony-2.6.34', 'suse-bugzilla-531547', 'tz-check', 'video' and 'misc-2.6.34' into release
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There's no real need for a pointer to the MADT to be global. The only
function who uses it is map_madt_entry.
This allows us to remove some more ugly #ifdefs.
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Un-nest the if statements for readability.
Remove comments that re-state the obvious.
Change the control flow so that we no longer need a temp variable.
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Untangle the nested if conditions to make this function look
more similar to the other map_*apic_id() functions.
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Untangle the if() statement a little for readability.
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Now that the early _PDC evaluation path knows how to correctly
evaluate _PDC on only physically present processors, there's no
need for the processor driver to evaluate it later when it loads.
To cover the hotplug case, push _PDC evaluation down into the
hotplug paths.
Cc: x86@kernel.org
Cc: Tony Luck <tony.luck@intel.com>
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Now that we check for physically present processors before blindly
evaluating _PDC, we no longer need to maintain a DMI opt-in table
nor a kernel param.
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Detect if a processor is physically present before evaluating _PDC.
We want this because some BIOS will provide a _PDC even for processors
that are not present. These bogus _PDC methods then attempt to load
non-existent tables, which causes problems.
Avoid those bogus landmines.
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Enumerating processors (via MADT/_MAT) belongs in the processor core,
which is always built-in, rather than living in the processor driver
which may not be built.
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Rename static get_cpu_id() to acpi_get_cpuid() and export it.
This change also gives us an opportunity to remove the
#ifndef CONFIG_SMP from processor_driver.c and into a header file
where it properly belongs.
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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We've renamed the old processor_core.c to processor_driver.c, to
convey the idea that it can be built modular and has driver-like
bits.
Now let's re-create a processor_core.c for the bits needed
statically by the rest of the kernel. The contents of processor_pdc.c
are a good starting spot, so let's just rename that file and
complete our three card monte.
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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The ACPI processor driver can be built as a module. But it has
pieces of code that should always be built statically into the
kernel.
The plan is for processor_core.c to contain the static bits while
processor_driver.c contains the module-like bits.
Since the bulk of the code in the current processor_core.c is
module-like, first step is to rename the file to processor_driver.c
Next step will re-create processor_core.c and cherry-pick out
the static bits.
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Add support for bus number resources. This is for bridges with a range of
bus numbers behind them. Previously, PNP ignored bus number resources.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Add support for resource windows. This is for bridge resources, i.e.,
regions where a bridge forwards transactions from the primary to the
secondary side. This does not add support for *setting* windows via
the /proc interface.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Per ACPI spec, _ERG method should be executed before device driver
gets control for hotpluged device. Firmware might do some configuration
there. See http://bugzilla.kernel.org/show_bug.cgi?id=10805. In this
machine, _REG method of docked device will configure cardbus bridge.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Tested-by: Paul Martin <pm@debian.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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Right now, if _BQC returns a value we don't understand we immediately
invalidate it. Change this behaviour so we only invalidate it if it
continues to give an invalid answer after we've already set a brightness.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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drivers/i2c/busses/i2c-xiic.c:493: error: implicit declaration of function 'mdelay'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: "Richard Röjfors" <richard.rojfors@pelagicore.com>
Cc: "Ben Dooks (embedded platforms)" <ben-linux@fluff.org>
Cc: linux-i2c@vger.kernel.org
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: i8042 - add ALDI/MEDION netbook E1222 to qurik reset table
Input: ALPS - fix stuck buttons on some touchpads
Input: wm831x-on - convert to use genirq
Input: ads7846 - add wakeup support
Input: appletouch - fix integer overflow issue
Input: ad7877 - increase pen up imeout
Input: ads7846 - add support for AD7843 parts
Input: bf54x-keys - fix system hang when pressing a key
Input: alps - add support for the touchpad on Toshiba Tecra A11-11L
Input: remove BKL, fix input_open_file() locking
Input: serio_raw - remove BKL
Input: mousedev - remove BKL
Input: add driver for TWL4030 vibrator device
Input: enable remote wakeup for PNP i8042 keyboard ports
Input: scancode in get/set_keycodes should be unsigned
Input: i8042 - use platfrom_create_bundle() helper
Input: wacom - merge out and in prox events
Input: gamecon - fix off by one range check
Input: wacom - replace WACOM_PKGLEN_PENABLED
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
i2c-algo-bit: Add pre- and post-xfer hooks
at24: Init dynamic bin_attribute structures
i2c: Drop configure option I2C_DEBUG_CHIP
tsl2550: Move from i2c/chips to misc
i2c-i801: Don't use the block buffer for I2C block writes
i2c-powermac: Be less verbose in the absence of real errors.
i2c-smbus: Use device_lock/device_unlock
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ALDI/MEDION netbook E1222 needs to be in the reset quirk list for
its touchpad's proper function.
Reported-by: Michael Fischer <mifi@gmx.de>
Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
Cc: stable@kernel.org
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Enable button release event redirection to the device that got the
button press not only for touchpads with interleaved protocols, but
unconditionally for all Alps touchpads. This is required at least
for the touchpads in Dell Inspiron 8200 and Latitude d630.
Signed-off-by: Martin Buck <mb-tmp-yvahk-vachg@gromit.dyndns.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc64: Add very basic XVR-1000 framebuffer driver.
qlogicpti: Remove slash in QlogicPTI irq name
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Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Frans van Berckel <fberckel@xs4all.nl>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (108 commits)
bridge: ensure to unlock in error path in br_multicast_query().
drivers/net/tulip/eeprom.c: fix bogus "(null)" in tulip init messages
sky2: Avoid rtnl_unlock without rtnl_lock
ipv6: Send netlink notification when DAD fails
drivers/net/tg3.c: change the field used with the TG3_FLAG_10_100_ONLY constant
ipconfig: Handle devices which take some time to come up.
mac80211: Fix memory leak in ieee80211_if_write()
mac80211: Fix (dynamic) power save entry
ipw2200: use kmalloc for large local variables
ath5k: read eeprom IQ calibration values correctly for G mode
ath5k: fix I/Q calibration (for real)
ath5k: fix TSF reset
ath5k: use fixed antenna for tx descriptors
libipw: split ieee->networks into small pieces
mac80211: Fix sta_mtx unlocking on insert STA failure path
rt2x00: remove KSEG1ADDR define from rt2x00soc.h
net: add ColdFire support to the smc91x driver
asix: fix setting mac address for AX88772
ipv6 ip6_tunnel: eliminate unused recursion field from ip6_tnl{}.
net: Fix dev_mc_add()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, k8 nb: Fix boot crash: enable k8_northbridges unconditionally on AMD systems
x86, UV: Fix target_cpus() in x2apic_uv_x.c
x86: Reduce per cpu warning boot up messages
x86: Reduce per cpu MCA boot up messages
x86_64, cpa: Don't work hard in preserving kernel 2M mappings when using 4K already
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
RDMA/nes: Fix CX4 link problem in back-to-back configuration
RDMA/nes: Clear stall bit before destroying NIC QP
RDMA/nes: Set assume_aligned_header bit
RDMA/cxgb3: Wait at least one schedule cycle during device removal
IB/mad: Ignore iWARP devices on device removal
IPoIB: Include return code in trace message for ib_post_send() failures
IPoIB: Fix TX queue lockup with mixed UD/CM traffic
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On Wed, 2010-03-10 at 08:41 -0800, David Miller wrote:
> From: Mikael Pettersson <mikpe@it.uu.se>
> Date: Wed, 10 Mar 2010 16:33:28 +0100
> > Booting 2.6.34-rc1 on a machine with a tulip nic I see
> > a number of kernel messages that include "(null)" where
> > previous kernels included the string "tulip0":
> CC:'ing the guilty party :-) It's one of the following
> commits:
Thanks Mikael.
Anonymity has some good attributes.
Blame avoidance is one of them.
I've broad shoulders. It's me, then Dwight Howard...
There might be another few of these where ->name or ->dev
was used before struct device or net_device was registered.
I'll go back and check.
tulip_core has:
if (tp->flags & HAS_MEDIA_TABLE) {
sprintf(dev->name, DRV_NAME "%d", board_idx); /* hack */
tulip_parse_eeprom(dev);
strcpy(dev->name, "eth%d"); /* un-hack */
}
So I don't feel _too_ bad.
tulip_parse_eeprom is done before register_netdev so the logging
there can not use netdev_<level> or dev_<level>(&dev->dev
Signed-off-by: Joe Perches <joe@perches.com>
Tested-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure we always call rtnl_lock before going down the
error path in sky2_resume, which unlocks the rtnl lock.
Signed-off-by: Mike McCormack <mikem@ring3k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The constant TG3_FLAG_10_100_ONLY should be used with the tg3_flags field,
not the tg3_flags2 field, as done elsewhere in the same file.
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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Drivers might have to do random things before and/or after I2C
transfers. Add hooks to the i2c-algo-bit implementation to let them do
so.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Alex Deucher <alexdeucher@gmail.com>
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Commit 6992f5334995af474c2b58d010d08bc597f0f2fe introduced this requirement.
Reported-by: Albrecht Dress <albrecht.dress@arcor.de>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Now that directory drivers/i2c/chips is gone, configuration option
I2C_DEBUG_CHIP no longer has any effect, so we can drop it.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
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Move the last remaining driver from i2c/chips to misc. Good ridance!
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
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Experience has shown that the block buffer can only be used for SMBus
(not I2C) block transactions, even though the datasheet doesn't
mention this limitation.
Reported-by: Felix Rubinstein <felixru@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Oleg Ryjkov <oryjkov@gmail.com>
Cc: stable@kernel.org
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Be less verbose in the absence of real errors. We don't have to report
failed probes to the users, it's only confusing them.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Andrey Gusev <ronne@list.ru>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: stable@kernel.org
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Use the new device locking/unlocking API.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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systems
de957628ce7c84764ff41331111036b3ae5bad0f changed setting of the
x86_init.iommu.iommu_init function ptr only when GART IOMMU is
found.
One side effect of it is that num_k8_northbridges
is not initialized anymore if not explicitly
called. This resulted in uninitialized pointers in
<arch/x86/kernel/cpu/intel_cacheinfo.c:amd_calc_l3_indices()>,
for example, which uses the num_k8_northbridges thing through
node_to_k8_nb_misc().
Fix that through an initcall that runs right after the PCI
subsystem and does all the scanning. Then, remove initialization
in gart_iommu_init() which is a rootfs_initcall and we're
running before that.
What is more, since num_k8_northbridges is being used in other
places beside GART IOMMU, include it whenever we add AMD CPU
support. The previous dependency chain in kconfig contained
K8_NB depends on AGP_AMD64|GART_IOMMU
which was clearly incorrect. The more natural way in terms of
hardware dependency should be
AGP_AMD64|GART_IOMMU depends on K8_NB depends on CPU_SUP_AMD &&
PCI. Make it so Number One!
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Joerg Roedel <joerg.roedel@amd.com>
LKML-Reference: <20100312144303.GA29262@aftab>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Tested-by: Joerg Roedel <joerg.roedel@amd.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
mfd: Several MFD drivers should depend on GENERIC_HARDIRQS
mfd: Fix sm501 requested region size
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git://codeaurora.org/quic/kernel/dwalker/linux-msm
* 'msm-mmc_sdcc' of git://codeaurora.org/quic/kernel/dwalker/linux-msm:
msm_sdcc.c: missing brackets in msmsdcc_resume()
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/booke: Fix breakpoint/watchpoint one-shot behavior
powerpc: Reduce printk from pseries_mach_cpu_die()
powerpc: Move checks in pseries_mach_cpu_die()
powerpc: Reset kernel stack on cpu online from cede state
powerpc: Fix G5 thermal shutdown
powerpc/pseries: Pass CPPR value to H_XIRR hcall
powerpc/booke: Fix a couple typos in the advanced ptrace code
powerpc: Fix SMP build with disabled CPU hotplugging.
powerpc: Dynamically allocate pacas
powerpc/perf: e500 support
powerpc/perf: Build callchain code regardless of hardware event support.
powerpc/cpm2: Checkpatch cleanup
powerpc/86xx: Renaming following split of GE Fanuc joint venture
powerpc/86xx: Convert gef_pic_lock to raw_spinlock
powerpc/qe: Convert qe_ic_lock to raw_spinlock
powerpc/82xx: Convert pci_pic_lock to raw_spinlock
powerpc/85xx: Convert socrates_fpga_pic_lock to raw_spinlock
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (56 commits)
doc: fix typo in comment explaining rb_tree usage
Remove fs/ntfs/ChangeLog
doc: fix console doc typo
doc: cpuset: Update the cpuset flag file
Fix of spelling in arch/sparc/kernel/leon_kernel.c no longer needed
Remove drivers/parport/ChangeLog
Remove drivers/char/ChangeLog
doc: typo - Table 1-2 should refer to "status", not "statm"
tree-wide: fix typos "ass?o[sc]iac?te" -> "associate" in comments
No need to patch AMD-provided drivers/gpu/drm/radeon/atombios.h
devres/irq: Fix devm_irq_match comment
Remove reference to kthread_create_on_cpu
tree-wide: Assorted spelling fixes
tree-wide: fix 'lenght' typo in comments and code
drm/kms: fix spelling in error message
doc: capitalization and other minor fixes in pnp doc
devres: typo fix s/dev/devm/
Remove redundant trailing semicolons from macros
fix typo "definetly" -> "definitely" in comment
tree-wide: s/widht/width/g typo in comments
...
Fix trivial conflict in Documentation/laptops/00-INDEX
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* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (370 commits)
ARM: S3C2443: Add set_rate and round_rate calls for armdiv clock
ARM: S3C2443: Remove #if 0 for clk_mpll
ARM: S3C2443: Update notes on MPLLREF clock
ARM: S3C2443: Further clksrc-clk conversions
ARM: S3C2443: Change to using plat-samsung clksrc-clk implementation
USB: Fix s3c-hsotg build following Samsung platform header moves
ARM: S3C64XX: Reintroduce unconditional build of audio device
ARM: 5961/1: ux500: fix CLKRST addresses
ARM: 5977/1: arm: Enable backtrace printing on oops when PC is corrupted
ASoC: Fix S3C64xx IIS driver for Samsung header reorg
ARM: S3C2440: Fix plat-s3c24xx move of s3c2440/s3c2442 support
[ARM] pxa: fix typo in mxm8x10.h
[ARM] pxa/raumfeld: set GPIO drive bits for LED pins
[ARM] pxa/zeus: Add support for mcp2515 CAN bus
[ARM] pxa/zeus: Add support for onboard max6369 watchdog
[ARM] pxa/zeus: Add Eurotech as the manufacturer
[ARM] pxa/zeus: Correct the USB host initialisation flags
[ARM] pxa/zeus: Allow usage of 8250-compatible UART in uncompress
[ARM] pxa: refactor uncompress.h for non-PXA uarts
[ARM] mmp2: fix incorrect calling of chip->mask_ack() for 2nd level cascaded IRQs
...
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This unpleasant typo appeared while porting the driver from Freescale
original sources, where anyone can easily find the correct version.
Current incorrect version potentially can influence segment and merge
handling in block subsystem via MMC request queue settings.
Signed-off-by: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pierre Ossman <pierre@ossman.eu>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Replace open-coded loop with for_each_set_bit().
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The variable x is initialized twice to the same (side effect-free)
expression. Drop one initialization.
A simplified version of the semantic match that finds this problem is:
(http://coccinelle.lip6.fr/)
// <smpl>
@forall@
idexpression *x;
identifier f!=ERR_PTR;
@@
x = f(...)
... when != x
(
x = f(...,<+...x...+>,...)
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* x = f(...)
)
// </smpl>
Stefan observed:
The next x = rb_entry(mn->next, struct mmtimer, list); is preceded by a
test whether mn->next is NULL.
Unless that test is redundant too, your patch fixes a potential NULL
pointer dereference, introduced by commit cbacdd95 "SGI Altix mmtimer:
allow larger number of timers per node" in 2.6.26.
Signed-off-by: Julia Lawall <julia@diku.dk>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Dimitri Sivanich <sivanich@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This fixes the section mismatch warning for mxc_w1_probe()
Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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With `while (++retries < DS2482_WAIT_IDLE_TIMEOUT)' retries reaches
DS2482_WAIT_IDLE_TIMEOUT after the loop
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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