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commit 025e4ab3db07fcbf62c01e4f30d1012234beb980 upstream.
This fixes a memory-corrupting bug: not only does it cause the warning,
but as a result of dropping the refcount to zero, it causes the
pcmcia_socket0 device structure to be freed while it still has
references, causing slab caches corruption. A fatal oops quickly
follows this warning - often even just a 'dmesg' following the warning
causes the kernel to oops.
While testing suspend/resume on an ARM device with PCMCIA support, and a
CF card inserted, I found that after five suspend and resumes, the
kernel would complain, and shortly die after with slab corruption.
WARNING: at include/linux/kref.h:41 kobject_get+0x28/0x50()
As the message doesn't give a clue about which kobject, and the built-in
debugging in drivers/base/power/main.c happens too late, this was added
right before each get_device():
printk("%s: %p [%s] %u\n", __func__, dev, kobject_name(&dev->kobj), atomic_read(&dev->kobj.kref.refcount));
and on the 3rd s2ram cycle, the following behaviour observed:
On the 3rd suspend/resume cycle:
dpm_prepare: c1a0d998 [pcmcia_socket0] 3
dpm_suspend: c1a0d998 [pcmcia_socket0] 3
dpm_suspend_noirq: c1a0d998 [pcmcia_socket0] 3
dpm_resume_noirq: c1a0d998 [pcmcia_socket0] 3
dpm_resume: c1a0d998 [pcmcia_socket0] 3
dpm_complete: c1a0d998 [pcmcia_socket0] 2
4th:
dpm_prepare: c1a0d998 [pcmcia_socket0] 2
dpm_suspend: c1a0d998 [pcmcia_socket0] 2
dpm_suspend_noirq: c1a0d998 [pcmcia_socket0] 2
dpm_resume_noirq: c1a0d998 [pcmcia_socket0] 2
dpm_resume: c1a0d998 [pcmcia_socket0] 2
dpm_complete: c1a0d998 [pcmcia_socket0] 1
5th:
dpm_prepare: c1a0d998 [pcmcia_socket0] 1
dpm_suspend: c1a0d998 [pcmcia_socket0] 1
dpm_suspend_noirq: c1a0d998 [pcmcia_socket0] 1
dpm_resume_noirq: c1a0d998 [pcmcia_socket0] 1
dpm_resume: c1a0d998 [pcmcia_socket0] 1
dpm_complete: c1a0d998 [pcmcia_socket0] 0
------------[ cut here ]------------
WARNING: at include/linux/kref.h:41 kobject_get+0x28/0x50()
Modules linked in: ucb1x00_core
Backtrace:
[<c0212090>] (dump_backtrace+0x0/0x110) from [<c04799dc>] (dump_stack+0x18/0x1c)
[<c04799c4>] (dump_stack+0x0/0x1c) from [<c021cba0>] (warn_slowpath_common+0x50/0x68)
[<c021cb50>] (warn_slowpath_common+0x0/0x68) from [<c021cbdc>] (warn_slowpath_null+0x24/0x28)
[<c021cbb8>] (warn_slowpath_null+0x0/0x28) from [<c0335374>] (kobject_get+0x28/0x50)
[<c033534c>] (kobject_get+0x0/0x50) from [<c03804f4>] (get_device+0x1c/0x24)
[<c0388c90>] (dpm_complete+0x0/0x1a0) from [<c0389cc0>] (dpm_resume_end+0x1c/0x20)
...
Looking at commit 7b24e7988263 ("pcmcia: split up central event handler"),
the following change was made to cs.c:
return 0;
}
#endif
-
- send_event(skt, CS_EVENT_PM_RESUME, CS_EVENT_PRI_LOW);
+ if (!(skt->state & SOCKET_CARDBUS) && (skt->callback))
+ skt->callback->early_resume(skt);
return 0;
}
And the corresponding change in ds.c is from:
-static int ds_event(struct pcmcia_socket *skt, event_t event, int priority)
-{
- struct pcmcia_socket *s = pcmcia_get_socket(skt);
...
- switch (event) {
...
- case CS_EVENT_PM_RESUME:
- if (verify_cis_cache(skt) != 0) {
- dev_dbg(&skt->dev, "cis mismatch - different card\n");
- /* first, remove the card */
- ds_event(skt, CS_EVENT_CARD_REMOVAL, CS_EVENT_PRI_HIGH);
- mutex_lock(&s->ops_mutex);
- destroy_cis_cache(skt);
- kfree(skt->fake_cis);
- skt->fake_cis = NULL;
- s->functions = 0;
- mutex_unlock(&s->ops_mutex);
- /* now, add the new card */
- ds_event(skt, CS_EVENT_CARD_INSERTION,
- CS_EVENT_PRI_LOW);
- }
- break;
...
- }
- pcmcia_put_socket(s);
- return 0;
-} /* ds_event */
to:
+static int pcmcia_bus_early_resume(struct pcmcia_socket *skt)
+{
+ if (!verify_cis_cache(skt)) {
+ pcmcia_put_socket(skt);
+ return 0;
+ }
+ dev_dbg(&skt->dev, "cis mismatch - different card\n");
+ /* first, remove the card */
+ pcmcia_bus_remove(skt);
+ mutex_lock(&skt->ops_mutex);
+ destroy_cis_cache(skt);
+ kfree(skt->fake_cis);
+ skt->fake_cis = NULL;
+ skt->functions = 0;
+ mutex_unlock(&skt->ops_mutex);
+ /* now, add the new card */
+ pcmcia_bus_add(skt);
+ return 0;
+}
As can be seen, the original function called pcmcia_get_socket() and
pcmcia_put_socket() around the guts, whereas the replacement code
calls pcmcia_put_socket() only in one path. This creates an imbalance
in the refcounting.
Testing with pcmcia_put_socket() put removed shows that the bug is gone:
dpm_suspend: c1a10998 [pcmcia_socket0] 5
dpm_suspend_noirq: c1a10998 [pcmcia_socket0] 5
dpm_resume_noirq: c1a10998 [pcmcia_socket0] 5
dpm_resume: c1a10998 [pcmcia_socket0] 5
dpm_complete: c1a10998 [pcmcia_socket0] 5
Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
* 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: (230 commits)
Revert "tracing: Include module.h in define_trace.h"
irq: don't put module.h into irq.h for tracking irqgen modules.
bluetooth: macroize two small inlines to avoid module.h
ip_vs.h: fix implicit use of module_get/module_put from module.h
nf_conntrack.h: fix up fallout from implicit moduleparam.h presence
include: replace linux/module.h with "struct module" wherever possible
include: convert various register fcns to macros to avoid include chaining
crypto.h: remove unused crypto_tfm_alg_modname() inline
uwb.h: fix implicit use of asm/page.h for PAGE_SIZE
pm_runtime.h: explicitly requires notifier.h
linux/dmaengine.h: fix implicit use of bitmap.h and asm/page.h
miscdevice.h: fix up implicit use of lists and types
stop_machine.h: fix implicit use of smp.h for smp_processor_id
of: fix implicit use of errno.h in include/linux/of.h
of_platform.h: delete needless include <linux/module.h>
acpi: remove module.h include from platform/aclinux.h
miscdevice.h: delete unnecessary inclusion of module.h
device_cgroup.h: delete needless include <linux/module.h>
net: sch_generic remove redundant use of <linux/module.h>
net: inet_timewait_sock doesnt need <linux/module.h>
...
Fix up trivial conflicts (other header files, and removal of the ab3550 mfd driver) in
- drivers/media/dvb/frontends/dibx000_common.c
- drivers/media/video/{mt9m111.c,ov6650.c}
- drivers/mfd/ab3550-core.c
- include/linux/dmaengine.h
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The includes in the pxa2xx_cm_x2xx PCMCIA driver are rather random;
the driver doesn't require anything from these headers except the
cpu_is_xxx() macros which come from another include.
The concern is that it's getting these definitions via mach/system.h,
which is supposed to only be included by arch/arm/kernel/process.c.
As this header is scheduled for cleanup (and elimination) keeping
the status quo will cause build errors. So lets fix properly and
independent of the future work.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Fix:
ERROR: "pxa2xx_configure_sockets" [drivers/pcmcia/pxa2xx_lubbock_cs.ko] undefined!
by exporting the required function.
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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* 'next/fixes' of git://git.linaro.org/people/arnd/arm-soc: (28 commits)
ARM: pxa/cm-x300: properly set bt_reset pin
ARM: mmp: rename SHEEVAD to GPLUGD
ARM: imx: Fix typo 'MACH_MX31_3DS_MXC_NAND_USE_BBT'
ARM: i.MX28: shift frac value in _CLK_SET_RATE
plat-mxc: iomux-v3.h: implicitly enable pull-up/down when that's desired
ARM: mx5: fix clock usage for suspend
ARM: pxa: use correct __iomem annotations
ARM: pxa: sharpsl pm needs SPI
ARM: pxa: centro and treo680 need palm27x
ARM: pxa: make pxafb_smart_*() empty when not enabled
ARM: pxa: select POWER_SUPPLY on raumfeld
ARM: pxa: pxa95x is incompatible with earlier pxa
ARM: pxa: CPU_FREQ_TABLE is needed for CPU_FREQ
ARM: pxa: pxa95x/saarb depends on pxa3xx code
ARM: pxa: allow selecting just one of TREO680/CENTRO
ARM: pxa: export symbols from pxa3xx-ulpi
ARM: pxa: make zylonite_pxa*_init declaration match code
ARM: pxa/z2: fix building error of pxa27x_cpu_suspend() no longer available
ARM: at91: add defconfig for at91sam9g45 family
ARM: at91: remove dependency for Atmel PWM driver selector in Kconfig
...
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Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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As we will get this after the module.h usage cleanup.
drivers/pcmcia/db1xxx_ss.c:577: warning: type defaults to 'int' in declaration of 'MODULE_LICENSE'
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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This sorts out merge conflicts with the arm/gpio branch that
already got merged into mainline Linux.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
* 'gpio' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: (43 commits)
ARM: 7135/1: ep93xx: bring back missing <mach/gpio.h>
ARM: 7104/1: plat-pxa: break out GPIO driver specifics
ARM: 7103/1: plat-pxa: move PXA GPIO driver to GPIO subsystem
ARM: 7042/3: mach-ep93xx: break out GPIO driver specifics
ARM: 7101/1: arm/tegra: Replace <mach/gpio.h> with <mach/gpio-tegra.h>
ARM: 7094/1: arm/tegra: Move EN_VDD_1V05_GPIO to board-harmony.h
ARM: 7083/1: rewrite U300 GPIO to use gpiolib
ARM: 7074/1: gpio: davinci: eliminate unused variable warnings
ARM: 7063/1: Orion: gpio: add missing include of linux/types.h
ARM: 7055/1: arm/tegra: mach/gpio.h: include linux/types.h to fix build
ARM: 7054/1: arm/tegra: Delete custom gpio_to_irq, and irq_to_gpio
ARM: 7053/1: gpio/tegra: Implement gpio_chip.to_irq
ARM: 7052/1: gpio/tegra: Remove use of irq_to_gpio
ARM: 7057/1: mach-pnx4008: rename GPIO header
ARM: 7056/1: plat-nomadik: kill off <plat/gpio.h>
ARM: 7050/1: mach-sa1100: delete irq_to_gpio() function
ARM: 7049/1: mach-sa1100: move SA1100 GPIO driver to GPIO subsystem
ARM: 7045/1: mach-lpc32xx: break out GPIO driver specifics
ARM: 7044/1: mach-lpc32xx: move LPC32XX GPIO driver to GPIO subsystem
ARM: 7043/1: mach-ixp2000: rename GPIO header
...
Fix up trivial conflicts in arch/arm/mach-u300/Kconfig manually
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- prepend CS3 accessors by simpad_ to indicate they
are specific to simpad devices.
- use spinlock to protect shadow register.
- implement 8 read-only pins.
- use readl/writel macros so barriers are used where
necessary.
- register CS3 as GPIO controller with 24 pins
(16 output only and 8 input only).
- fix PCMCIA driver to access the read-only pins
rather than the shadow register for status bits.
Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This tries to clear up the confusion between integers and iomem pointers
in the marvell pxa platform. MMIO addresses are supposed to be __iomem*
values, in order to let the Linux type checking work correctly. This
patch moves the cast to __iomem as far back as possible, to the place
where the MMIO virtual address windows are defined.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6:
smc91c92_cs.c: fix bogus compiler warning
orinoco_cs: be more careful when matching cards with ID 0x0156:0x0002
hostap_cs: support cards with "Version 01.02" as third product ID
pcmcia: add PCMCIA_DEVICE_MANF_CARD_PROD_ID3
pxa2xx pcmcia - stargate 2 use gpio array.
pcmcia: pxa2xx: remove empty socket_init / socket_resume functions.
drivers:pcmcia:soc_common: make socket_init and socket_suspend optional
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Kill off the buff gpio as not used anywhere.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Now the are optional, let us get rid of the ones that don't have
any content.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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10 boards define these empty, probably indicating not everyone has a use for them.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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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: (43 commits)
fs: Merge split strings
treewide: fix potentially dangerous trailing ';' in #defined values/expressions
uwb: Fix misspelling of neighbourhood in comment
net, netfilter: Remove redundant goto in ebt_ulog_packet
trivial: don't touch files that are removed in the staging tree
lib/vsprintf: replace link to Draft by final RFC number
doc: Kconfig: `to be' -> `be'
doc: Kconfig: Typo: square -> squared
doc: Konfig: Documentation/power/{pm => apm-acpi}.txt
drivers/net: static should be at beginning of declaration
drivers/media: static should be at beginning of declaration
drivers/i2c: static should be at beginning of declaration
XTENSA: static should be at beginning of declaration
SH: static should be at beginning of declaration
MIPS: static should be at beginning of declaration
ARM: static should be at beginning of declaration
rcu: treewide: Do not use rcu_read_lock_held when calling rcu_dereference_check
Update my e-mail address
PCIe ASPM: forcedly -> forcibly
gma500: push through device driver tree
...
Fix up trivial conflicts:
- arch/arm/mach-ep93xx/dma-m2p.c (deleted)
- drivers/gpio/gpio-ep93xx.c (renamed and context nearby)
- drivers/net/r8169.c (just context changes)
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc
* 'next/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (133 commits)
ARM: EXYNOS4: Change devname for FIMD clkdev
ARM: S3C64XX: Cleanup mach/regs-fb.h from mach-s3c64xx
ARM: S5PV210: Cleanup mach/regs-fb.h from mach-s5pv210
ARM: S5PC100: Cleanup mach/regs-fb.h from mach-s5pc100
ARM: S3C24XX: Use generic s3c_set_platdata for devices
ARM: S3C64XX: Use generic s3c_set_platdata for OneNAND
ARM: SAMSUNG: Use generic s3c_set_platdata for NAND
ARM: SAMSUNG: Use generic s3c_set_platdata for USB OHCI
ARM: SAMSUNG: Use generic s3c_set_platdata for HWMON
ARM: SAMSUNG: Use generic s3c_set_platdata for FB
ARM: SAMSUNG: Use generic s3c_set_platdata for TS
ARM: S3C64XX: Add PWM backlight support on SMDK6410
ARM: S5P64X0: Add PWM backlight support on SMDK6450
ARM: S5P64X0: Add PWM backlight support on SMDK6440
ARM: S5PC100: Add PWM backlight support on SMDKC100
ARM: S5PV210: Add PWM backlight support on SMDKV210
ARM: EXYNOS4: Add PWM backlight support on SMDKC210
ARM: EXYNOS4: Add PWM backlight support on SMDKV310
ARM: SAMSUNG: Create a common infrastructure for PWM backlight support
clocksource: convert 32-bit down counting clocksource on S5PV210/S5P64X0
...
Fix up trivial conflict in arch/arm/mach-imx/mach-scb9328.c
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Sync with Linus' tree to be able to apply pending patches that
are based on newer code already present upstream.
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Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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A pcmcia_init callback isn't used on any of the platforms. Drop it.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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Some files use GPIOF_ macros but don't include the header file
for them. These macros are being moved to <linux/gpio.h>, so add
includes for <linux/gpio.h> where needed.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Several fixes as well where the +1 was missing.
Done via coccinelle scripts like:
@@
struct resource *ptr;
@@
- ptr->end - ptr->start + 1
+ resource_size(ptr)
and some grep and typing.
Mostly uncompiled, no cross-compilers.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Const allows tables to be moved into text sections.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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sa11x0_pcmcia_hw_init is only used by sa11x0_drv_pcmcia_probe which
lives in .devinit.text so it can go to .devinit.data.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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These changes were incorrectly fixed by codespell. They were now
manually corrected.
Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
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This fixes the failure to register the IRQ_RTCAlrm alarm as a wakeup
event. It is misinterpreted as a gpio irq not a PWER bitmask. Fixed
this by converting the incorrect IRQ_TO_IRQ() to a correct version of
irq_to_gpio().
Reported-by: Nick Bane <nickbane1@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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pxa2xx_trizeps4 tries to register pxa2xx-pcmcia device not checking whether
machine is really trizeps4, thus messing multi-machine kernels. Fix it up.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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pxa2xx_balloon3 tries to register pxa2xx-pcmcia device not checking whether
machine is really balloon3, thus messing multi-machine kernels. Fix it up.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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Fixes generated by 'codespell' and manually reviewed.
Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
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* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (65 commits)
ARM: 6826/1: Merge v6 and v7 DEBUG_LL DCC support
ARM: 6838/1: etm: fix section mismatch warning
ARM: 6837/1: remove unused pci_fixup_prpmc1100
ARM: 6836/1: kprobes/fix emulation of LDR/STR instruction when Rn == PC
Fix the broken build for Marvell Dove platform.
ARM: 6835/1: perf: ensure overflows aren't missed due to IRQ latency
ARM: 6834/1: perf: reset counters on all CPUs during initialisation
ARM: 6833/1: perf: add required isbs() to ARMv7 backend
ARM: 6825/1: kernel/sleep.S: fix Thumb2 compilation issues
ARM: 6807/1: realview: Fix secondary GIC initialisation for EB with MPCore tile
arm: mach-mx3: pcm043: add write-protect and card-detect for SD1
eukrea_mbimxsd51: add SD Card detect
eukrea_mbimxsd25-baseboard: add SD card detect
mx3/eukrea_mbimxsd-baseboard: add SD card detect support
mx3/eukrea_mbimxsd-baseboard: fix gpio request
ARM: mxs/mx28evk: add mmc device
ARM: mxs/mx23evk: add mmc device
ARM: mxs: dynamically allocate mmc device
ARM: mx51_efika: update platform data for new mfd changes
mx2/iomux: Set direction for CSPI2 pins
...
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Scripted with coccinelle.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into devel-stable
Conflicts:
arch/arm/mach-pxa/tosa.c
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* 'devicetree/next' of git://git.secretlab.ca/git/linux-2.6: (21 commits)
tty: serial: altera_jtaguart: Add device tree support
tty: serial: altera_uart: Add devicetree support
dt: eliminate of_platform_driver shim code
dt: Eliminate of_platform_{,un}register_driver
dt/serial: Eliminate users of of_platform_{,un}register_driver
dt/usb: Eliminate users of of_platform_{,un}register_driver
dt/video: Eliminate users of of_platform_{,un}register_driver
dt/net: Eliminate users of of_platform_{,un}register_driver
dt/sound: Eliminate users of of_platform_{,un}register_driver
dt/spi: Eliminate users of of_platform_{,un}register_driver
dt: uartlite: merge platform and of_platform driver bindings
dt: xilinx_hwicap: merge platform and of_platform driver bindings
ipmi: convert OF driver to platform driver
leds/leds-gpio: merge platform_driver with of_platform_driver
dt/sparc: Eliminate users of of_platform_{,un}register_driver
dt/powerpc: Eliminate users of of_platform_{,un}register_driver
dt/powerpc: move of_bus_type infrastructure to ibmebus
drivercore/dt: add a match table pointer to struct device
dt: Typo fix.
altera_ps2: Add devicetree support
...
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Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
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Use gpio_request_array() / gpio_free_array(), this makes the code
cleaner and less error prone.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
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Use gpio_request_array() / gpio_free_array(), this makes the code
cleaner and less error prone.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
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Use gpio_request_array() / gpio_free_array(), this makes the code
cleaner and less error prone.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
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Use gpio_request_array() / gpio_free_array(), this makes the code
cleaner and less error prone.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
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Use gpio_request_array() / gpio_free_array(), this makes the code cleaner and
less error prone.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
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* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm:
davinci: cpufreq: fix section mismatch warning
DaVinci: fix compilation warnings in <mach/clkdev.h>
davinci: tnetv107x: fix register indexing for GPIOs numbers > 31
davinci: da8xx/omap-l1x: add platform device for davinci-pcm-audio
ARM: pxa/tosa: register wm9712 codec device
ARM: pxa: enable pxa-pcm-audio on pxa210/pxa25x platform
ARM: pxa/colibri: don't register pxa2xx-pcmcia nodes on non-colibri platforms
ARM: pxa/tosa: drop setting LED trigger name, as it's unsupported now
ARM: 6762/1: Update number of VIC for S5P6442 and S5PC100
ARM: 6761/1: Update number of VIC for S5PV210
ARM: 6768/1: hw_breakpoint: ensure debug logic is powered up on v7 cores
ARM: 6767/1: ptrace: fix register indexing in GETHBPREGS request
ARM: 6765/1: remove obsolete comment from asm/mach/arch.h
ARM: 6757/1: fix tlb.h induced linux/swap.h build failure
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Final step to eliminate of_platform_bus_type. They're all just
platform drivers now.
v2: fix type in pasemi_nand.c (thanks to Stephen Rothwell)
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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PXA supports multi-machine kernels since long ago. However a kernel
compiled with support for colibri and any other PXA machine and with
PCMCIA enabled will barf at runtime about duplicate registration of
pxa2xx-pcmcia device. Fix that.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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Allow drivers to enable Zoomed Video support. Currently, this is only
used by out-of-tree drivers (L64020 DVB driver in particular).
CC: <stable@kernel.org> [for 2.6.37]
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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After 2.6.34 changes, __pxa2xx_drv_pcmcia_probe() was replaced by
sa1111_pcmcia_add(). That unfortunately means that configure_sockets()
is not called, leading to MECR not being set properly, leading to
strange crashes.
Tested on pxa255+sa1111, I do not have lubbock board nearby. Perhaps
cleaner solution exists?
Signed-off-by: Pavel Machek <pma@sysgo.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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The meaning of CONFIG_EMBEDDED has long since been obsoleted; the option
is used to configure any non-standard kernel with a much larger scope than
only small devices.
This patch renames the option to CONFIG_EXPERT in init/Kconfig and fixes
references to the option throughout the kernel. A new CONFIG_EMBEDDED
option is added that automatically selects CONFIG_EXPERT when enabled and
can be used in the future to isolate options that should only be
considered for embedded systems (RISC architectures, SLOB, etc).
Calling the option "EXPERT" more accurately represents its intention: only
expert users who understand the impact of the configuration changes they
are making should enable it.
Reviewed-by: Ingo Molnar <mingo@elte.hu>
Acked-by: David Woodhouse <david.woodhouse@intel.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Greg KH <gregkh@suse.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Robin Holt <holt@sgi.com>
Cc: <linux-arch@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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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (43 commits)
Documentation/trace/events.txt: Remove obsolete sched_signal_send.
writeback: fix global_dirty_limits comment runtime -> real-time
ppc: fix comment typo singal -> signal
drivers: fix comment typo diable -> disable.
m68k: fix comment typo diable -> disable.
wireless: comment typo fix diable -> disable.
media: comment typo fix diable -> disable.
remove doc for obsolete dynamic-printk kernel-parameter
remove extraneous 'is' from Documentation/iostats.txt
Fix spelling milisec -> ms in snd_ps3 module parameter description
Fix spelling mistakes in comments
Revert conflicting V4L changes
i7core_edac: fix typos in comments
mm/rmap.c: fix comment
sound, ca0106: Fix assignment to 'channel'.
hrtimer: fix a typo in comment
init/Kconfig: fix typo
anon_inodes: fix wrong function name in comment
fix comment typos concerning "consistent"
poll: fix a typo in comment
...
Fix up trivial conflicts in:
- drivers/net/wireless/iwlwifi/iwl-core.c (moved to iwl-legacy.c)
- fs/ext4/ext4.h
Also fix missed 'diabled' typo in drivers/net/bnx2x/bnx2x.h while at it.
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Conflicts:
arch/arm/mach-pxa/clock.c
arch/arm/mach-pxa/clock.h
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'versatile' into devel
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