| Commit message (Collapse) | Author | Age |
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This patch exploits pstore subsystem to read details of common partition
in NVRAM to a separate file in /dev/pstore. For instance, common partition
details will be stored in a file named [common-nvram-6].
Signed-off-by: Aruna Balakrishnaiah <aruna@linux.vnet.ibm.com>
Reviewed-by: Jim Keniston <jkenisto@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This patch set exploits the pstore subsystem to read details of
of-config partition in NVRAM to a separate file in /dev/pstore.
For instance, of-config partition details will be stored in a
file named [of-nvram-5].
Signed-off-by: Aruna Balakrishnaiah <aruna@linux.vnet.ibm.com>
Reviewed-by: Jim Keniston <jkenisto@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Introduce os_partition member in nvram_os_partition structure to identify
if the partition is an os partition or not. This will be useful to handle
non-os partitions of-config and common.
Signed-off-by: Aruna Balakrishnaiah <aruna@linux.vnet.ibm.com>
Reviewed-by: Jim Keniston <jkenisto@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This patch set exploits the pstore subsystem to read details of rtas partition
in NVRAM to a separate file in /dev/pstore. For instance, rtas details will be
stored in a file named [rtas-nvram-4].
Signed-off-by: Aruna Balakrishnaiah <aruna@linux.vnet.ibm.com>
Reviewed-by: Jim Keniston <jkenisto@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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IBM's p series machines provide persistent storage for LPARs through NVRAM.
NVRAM's lnx,oops-log partition is used to log oops messages.
Currently the kernel provides the contents of p-series NVRAM only as a
simple stream of bytes via /dev/nvram, which must be interpreted in user
space by the nvram command in the powerpc-utils package.
This patch set exploits the pstore subsystem to expose oops partition in
NVRAM as a separate file in /dev/pstore. For instance, Oops messages will be
stored in a file named [dmesg-nvram-2]. In case pstore registration fails it
will fall back to kmsg_dump mechanism.
This patch will read/write the oops messages from/to this partition via pstore.
Signed-off-by: Jim Keniston <jkenisto@us.ibm.com>
Signed-off-by: Aruna Balakrishnaiah <aruna@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Introduce generic read function to read nvram partitions other than rtas.
nvram_read_error_log will be retained which is used to read rtas partition
from rtasd. nvram_read_partition is the generic read function to read from
any nvram partition.
Signed-off-by: Aruna Balakrishnaiah <aruna@linux.vnet.ibm.com>
Reviewed-by: Jim Keniston <jkenisto@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Introduce version and timestamp information in the oops header.
oops_log_info (oops header) holds version (to distinguish between old
and new format oops header), length of the oops text
(compressed or uncompressed) and timestamp.
The version field will sit in the same place as the length in old
headers. version is assigned 5000 (greater than oops partition size)
so that existing tools will refuse to dump new style partitions as
the length is too large. The updated tools will work with both
old and new format headers.
Signed-off-by: Aruna Balakrishnaiah <aruna@linux.vnet.ibm.com>
Reviewed-by: Jim Keniston <jkenisto@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Removal of syslog prefix in the uncompressed oops text will
help in capturing more oops data.
Signed-off-by: Aruna Balakrishnaiah <aruna@linux.vnet.ibm.com>
Reviewed-by: Jim Keniston <jkenisto@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Under some special circumstances, the EEH device doesn't have the
associated device tree node or PCI device. The patch enhances those
functions converting EEH device to device tree node or PCI device
accordingly to avoid unnecessary system crash.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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While running Linux as guest on top of phyp, we possiblly have
PE that includes single PCI device. However, we didn't return
its PCI bus correctly and it leads to failure on recovery from
EEH errors for single-dev-PE. The patch fixes the issue.
Cc: <stable@vger.kernel.org> # v3.7+
Cc: Steve Best <sbest@us.ibm.com>
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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On newer CPUs we use VSX loads and stores to the thread->fpr array.
For best performance we need to ensure 16 byte alignment.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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orderly_poweroff is expecting a bool parameter, so
use 'true' instead '1'
Signed-off-by: liguang <lig.fnst@cn.fujitsu.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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'system_state < SYSTEM_RUNNING' will have same effect
with 'system_state == SYSTEM_BOOTING', but the later
one is more clearer.
Signed-off-by: liguang <lig.fnst@cn.fujitsu.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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On BookE (Branch taken + Single Step) is as same as Branch Taken
on BookS and in Linux we simulate BookS behavior for BookE as well.
When doing so, in Branch taken handling we want to set DBCR0_IC but
we update the current->thread->dbcr0 and not DBCR0.
Now on 64bit the current->thread.dbcr0 (and other debug registers)
is synchronized ONLY on context switch flow. But after handling
Branch taken in debug exception if we return back to user space
without context switch then single stepping change (DBCR0_ICMP)
does not get written in h/w DBCR0 and Instruction Complete exception
does not happen.
This fixes using ptrace reliably on BookE-PowerPC
lmbench latency test (lat_syscall) Results are (they varies a little
on each run)
1) ./lat_syscall <action> /dev/shm/uImage
action: Open read write stat fstat null
Before: 3.8618 0.2017 0.2851 1.6789 0.2256 0.0856
After: 3.8580 0.2017 0.2851 1.6955 0.2255 0.0856
1) ./lat_syscall -P 2 -N 10 <action> /dev/shm/uImage
action: Open read write stat fstat null
Before: 4.1388 0.2238 0.3066 1.7106 0.2256 0.0856
After: 4.1413 0.2236 0.3062 1.7107 0.2256 0.0856
[ Slightly modified to avoid extra branch in the fast path
on Book3S and fix build on all non-BookE 64-bit -- BenH
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Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The enables VFIO on the pSeries platform, enabling user space
programs to access PCI devices directly.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This initializes IOMMU groups based on the IOMMU configuration
discovered during the PCI scan on POWERNV (POWER non virtualized)
platform. The IOMMU groups are to be used later by the VFIO driver,
which is used for PCI pass through.
It also implements an API for mapping/unmapping pages for
guest PCI drivers and providing DMA window properties.
This API is going to be used later by QEMU-VFIO to handle
h_put_tce hypercalls from the KVM guest.
The iommu_put_tce_user_mode() does only a single page mapping
as an API for adding many mappings at once is going to be
added later.
Although this driver has been tested only on the POWERNV
platform, it should work on any platform which supports
TCE tables. As h_put_tce hypercall is received by the host
kernel and processed by the QEMU (what involves calling
the host kernel again), performance is not the best -
circa 220MB/s on 10Gb ethernet network.
To enable VFIO on POWER, enable SPAPR_TCE_IOMMU config
option and configure VFIO as required.
Cc: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The currituck board uses a different IRQ for the pci usb host
controller depending on the board revision. This patch adds support
for newer board revisions by retrieving the board revision from the
FPGA and mapping the appropriate IRQ.
Signed-off-by: Alistair Popple <alistair@popple.id.au>
Acked-by: Tony Breeds <tony@bakeyournoodle.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Check truncate_if_32bit() on final write to nip.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Update default configurations for systems with CONFIG_BOOTX_TEXT
selected so that they continue to print early debug messages as is
currently the case.
Signed-off-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Signed-off-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Based on benh's proposal at
https://lists.ozlabs.org/pipermail/linuxppc-dev/2012-September/101237.html,
this change provides support for reserving memory from the
reserved-ranges node at the root of the device tree.
We just call memblock_reserve on these ranges for now.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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There appears to be no good reason to keep this as 64bit only. It works
on 32bit also, and has checks so that it can work correctly with 32bit
binaries on 64bit hardware which is why I think this works.
I tested this on qemu using the virtex-ml507 machine type.
Before,
/bin2 # ./test & cat /proc/${!}/maps
00100000-00103000 r-xp 00000000 00:00 0 [vdso]
10000000-10007000 r-xp 00000000 00:01 454 /bin2/test
10017000-10018000 rw-p 00007000 00:01 454 /bin2/test
48000000-48020000 r-xp 00000000 00:01 224 /lib/ld-2.11.3.so
48021000-48023000 rw-p 00021000 00:01 224 /lib/ld-2.11.3.so
bfd03000-bfd24000 rw-p 00000000 00:00 0 [stack]
/bin2 # ./test & cat /proc/${!}/maps
00100000-00103000 r-xp 00000000 00:00 0 [vdso]
0fe6e000-0ffd8000 r-xp 00000000 00:01 214 /lib/libc-2.11.3.so
0ffd8000-0ffe8000 ---p 0016a000 00:01 214 /lib/libc-2.11.3.so
0ffe8000-0ffed000 rw-p 0016a000 00:01 214 /lib/libc-2.11.3.so
0ffed000-0fff0000 rw-p 00000000 00:00 0
10000000-10007000 r-xp 00000000 00:01 454 /bin2/test
10017000-10018000 rw-p 00007000 00:01 454 /bin2/test
48000000-48020000 r-xp 00000000 00:01 224 /lib/ld-2.11.3.so
48020000-48021000 rw-p 00000000 00:00 0
48021000-48023000 rw-p 00021000 00:01 224 /lib/ld-2.11.3.so
bf98a000-bf9ab000 rw-p 00000000 00:00 0 [stack]
/bin2 # ./test & cat /proc/${!}/maps
00100000-00103000 r-xp 00000000 00:00 0 [vdso]
0fe6e000-0ffd8000 r-xp 00000000 00:01 214 /lib/libc-2.11.3.so
0ffd8000-0ffe8000 ---p 0016a000 00:01 214 /lib/libc-2.11.3.so
0ffe8000-0ffed000 rw-p 0016a000 00:01 214 /lib/libc-2.11.3.so
0ffed000-0fff0000 rw-p 00000000 00:00 0
10000000-10007000 r-xp 00000000 00:01 454 /bin2/test
10017000-10018000 rw-p 00007000 00:01 454 /bin2/test
48000000-48020000 r-xp 00000000 00:01 224 /lib/ld-2.11.3.so
48020000-48021000 rw-p 00000000 00:00 0
48021000-48023000 rw-p 00021000 00:01 224 /lib/ld-2.11.3.so
bfa54000-bfa75000 rw-p 00000000 00:00 0 [stack]
After,
bash-4.1# ./test & cat /proc/${!}/maps
[7] 803
00100000-00103000 r-xp 00000000 00:00 0 [vdso]
10000000-10007000 r-xp 00000000 00:01 454 /bin2/test
10017000-10018000 rw-p 00007000 00:01 454 /bin2/test
b7eb0000-b7ed0000 r-xp 00000000 00:01 224 /lib/ld-2.11.3.so
b7ed1000-b7ed3000 rw-p 00021000 00:01 224 /lib/ld-2.11.3.so
bfbc0000-bfbe1000 rw-p 00000000 00:00 0 [stack]
bash-4.1# ./test & cat /proc/${!}/maps
[8] 805
00100000-00103000 r-xp 00000000 00:00 0 [vdso]
10000000-10007000 r-xp 00000000 00:01 454 /bin2/test
10017000-10018000 rw-p 00007000 00:01 454 /bin2/test
b7b03000-b7b23000 r-xp 00000000 00:01 224 /lib/ld-2.11.3.so
b7b24000-b7b26000 rw-p 00021000 00:01 224 /lib/ld-2.11.3.so
bfc27000-bfc48000 rw-p 00000000 00:00 0 [stack]
bash-4.1# ./test & cat /proc/${!}/maps
[9] 807
00100000-00103000 r-xp 00000000 00:00 0 [vdso]
10000000-10007000 r-xp 00000000 00:01 454 /bin2/test
10017000-10018000 rw-p 00007000 00:01 454 /bin2/test
b7f37000-b7f57000 r-xp 00000000 00:01 224 /lib/ld-2.11.3.so
b7f58000-b7f5a000 rw-p 00021000 00:01 224 /lib/ld-2.11.3.so
bff96000-bffb7000 rw-p 00000000 00:00 0 [stack]
Signed-off-by: Daniel Walker <dwalker@fifo90.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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decrementer_check_overflow
Previously in order to handle the edge sensitive decrementers,
we choose to set the decrementer to 1 to trigger a decrementer
interrupt when re-enabling interrupts. But with the rework of the
lazy EE, we would replay the decrementer interrupt when re-enabling
interrupts if a decrementer interrupt occurs with irq soft-disabled.
So there is no need to trigger a decrementer interrupt in this case
any more.
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This happens with threads that are offline due to CPU hotplug
(including threads that were never "plugged in" to begin with because
SMT is disabled).
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This patch moves the single step enable code used by kprobe to a generic
routine header so that, it can be re-used by other code, in this case,
uprobes. No functional changes.
Signed-off-by: Suzuki K. Poulose <suzuki@in.ibm.com>
Cc: Ananth N Mavinakaynahalli <ananth@in.ibm.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org
Acked-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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External/Decrement exceptions have lower priority than the Debug Exception.
So, we don't have to disable the External interrupts before a single step.
However, on BookE, Critical Input Exception(CE) has higher priority than a
Debug Exception. Hence we mask them.
Signed-off-by: Suzuki K. Poulose <suzuki@in.ibm.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Ananth N Mavinakaynahalli <ananth@in.ibm.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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These low level handlers cannot be threaded. Mark them NO_THREAD
Reported-by: leroy christophe <christophe.leroy@c-s.fr>
Tested-by: leroy christophe <christophe.leroy@c-s.fr>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This will be later used by powerpc THP support. In powerpc we want to use
pgtable for storing the hash index values. So instead of adding them to
mm_context list, we would like to store them in the second half of pmd
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull LED subsystem updates from Bryan Wu:
- lp55xx device tree updates
- mc13xxx driver updates
- some clean up
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds:
leds: mc13783: Fix "uninitialized variable" warning
leds: Convert led class driver from legacy pm ops to dev_pm_ops
leds: leds-mc13783: Add MC13892 LED support
leds: leds-mc13783: Prepare driver to support MC13892 LEDs
leds: renesas-tpu: cleanup a small type issue
leds: use platform_{get,set}_drvdata()
leds: leds-gpio: Let device core handle pinctrl
leds: lp5562: Properly setup of_device_id table
leds: lp5523: Properly setup of_device_id table
leds: lp5521: Properly setup of_device_id table
leds: lp5562: support the device tree feature
leds: lp55xx: support dynamic channel settings in the device tree structure
leds: leds-ns2: remove unnecessary platform_set_drvdata()
leds: leds-mc13783: remove unnecessary platform_set_drvdata()
leds: leds-gpio: remove unnecessary platform_set_drvdata()
leds: atmel-pwm: remove unnecessary platform_set_drvdata()
leds: lp55xx: add support for Device Tree bindings
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This patch rewrite driver code to be ready to add support for
MC13892 LEDs and probe from devicetree.
(cooloney@gmail.com: fix one coding style issue when apply this patch)
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Tested-by: Philippe Retornaz <philippe.retornaz@epfl.ch>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"A relative calm release at this time with a flat diffstat. The only
significant change in the ALSA core side is the support for more than
32 card instances, configurable via kconfig. Other than that, in both
ASoC and other parts, mostly some improvements and fixes on the driver
side.
- hda: More quirks for ALC269-variants on Dell & co, VIA codec fixes
- hda: Haswell HDMI audio fixes, runtime PM improvements
- hda: Intel BayTrail support, ALC5505 DSP support
- es1968: MediaForte M56VAP support
- usb-audio: Improved support for Yamaha/Roland devices
- usb-audio: M2Tech hiFace, Audio Advantage Micro II support
- hdspm: wordclock fixes
- ASoC: Pending fixes for WM8962
- ASoC: Cleanups and fixes for Blackfin, SGTL5000 and UX500
- ASoC: Generalisation of the Bluetooth and HDMI stub drivers
- ASoC: SSM2518 and RT5640 codec drivers.
- ASoC: Tegra CPUs with RT5640 machine driver
- ASoC: AC'97 refactoring bug fixes
- ASoC: ADAU1701 driver fixes
- Clean up of *_set_drvdata() in a wide range of drivers"
* tag 'sound-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (284 commits)
ALSA: vmaster: Fix the regression of missing vmaster hook call
ALSA: hda - Add Dell SSID to support Headset Mic recording
ASoC: adau1701: remove control_data assignment
ASoC: adau1701: more direct regmap usage
ASoC: ac97: fixup multi-platform AC'97 module build failure
ASoC: pxa2xx: fixup multi-platform AC'97 build failures
ASoC: tegra20-ac97: Remove unused variable
ASoC: tegra20-ac97: Remove duplicate error message
ALSA: usb-audio: Add Audio Advantage Micro II
ASoC: tas5086: fix Mid-Z implementation
ASoC: tas5086: fix TAS5086_CLOCK_CONTROL register size
ALSA: Replace the magic number 44 with const
ALSA: hda - Fix the max length of control name in generic parser
ALSA: hda - Guess what, it's two more Dell headset mic quirks
ALSA: hda - Yet another Dell headset mic quirk
ALSA: hda - Add support for ALC5505 DSP power-save mode
ASoC: mfld: Remove unused variable
ALSA: usb-audio: add quirks for Roland QUAD/OCTO-CAPTURE
ALSA: usb-audio: claim autodetected PCM interfaces all at once
ALSA: usb-audio: remove superfluous Roland quirks
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: More updates for v3.11
Some more fixes and enhancements, and also a bunch of refectoring for
AC'97 support which enables more than one AC'97 controller driver to be
built in.
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arch/blackfin/mach-bf533/boards/stamp.c:545:2: error: operator '||' has no right operand
arch/blackfin/mach-bf533/boards/stamp.c:662:3: error: 'bfin_snd_resources' undeclared here (not in a function)
arch/blackfin/mach-bf533/boards/stamp.c:662:3: error: negative width in bit-field '<anonymous>'
arch/blackfin/mach-bf533/boards/stamp.c:665:21: error: 'bfin_snd_data' undeclared here (not in a function)
make[4]: *** [arch/blackfin/mach-bf533/boards/stamp.o] Error 1
Introduced by commit 15502e0ca0da651b48c7def2983e7bb464349b2a ("blackfin:
Remove references to the bf5x_tdm driver"), which removed two config
options, but only one "||".
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The bf5x_tdm driver has been removed. Remove all references to it from board
code.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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The bf5xx-i2s driver now has support for TDM mode and the bf5xx-tdm driver is
going to be removed soon, so switch the driver over to bf5xx-i2s.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata updates from Tejun Heo:
"Overview of changes:
- The rest of maintainer email address updates.
- Some core updates - more robust default behavior for port
multipliers, better error reporting for SG_IO commands, and a way
to better work around now ancient and probably pretty rare PATA ->
SATA bridges with ATAPI devices.
- sata_rcar stabilization.
- Some hardware PCI ID additions and one-off low level driver
updates."
* 'for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (22 commits)
AHCI: use ATA_BUSY
libata-zpodd: must use ata_tf_init()
ahci: AHCI-mode SATA patch for Intel Coleto Creek DeviceIDs
ata_piix: IDE-mode SATA patch for Intel Coleto Creek DeviceIDs
libata: cleanup SAT error translation
ahci: sata: add support for exynos5440 sata
libata: skip SRST for all SIMG [34]7x port-multipliers
ahci: remove pmp link online check in FBS EH
sata highbank: add bit-banged SGPIO driver support
ahci: make ahci_transmit_led_message into a function pointer
sata_rcar: fix compilation warning in sata_rcar_thaw()
sata_highbank: increase retry count but shorten duration for Calxeda controller
ata: use pci_get_drvdata()
ipr: qc_fill_rtf() method should not store alternate status register
sata_rcar: add 'base' local variable to some functions
sata_rcar: correct 'sata_rcar_sht'
sata_rcar: kill superfluous code in sata_rcar_bmdma_fill_sg()
libata: do not limit R-Car SATA driver to shmobile
ata: use platform_{get,set}_drvdata()
AHCI: Make distinct names for ports in /proc/interrupts
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Highbank supports SGPIO by bit-banging out the SGPIO signals over
three GPIO pins defined in the DTB. Add support for this SGPIO
functionality.
Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Merge first patch-bomb from Andrew Morton:
- various misc bits
- I'm been patchmonkeying ocfs2 for a while, as Joel and Mark have been
distracted. There has been quite a bit of activity.
- About half the MM queue
- Some backlight bits
- Various lib/ updates
- checkpatch updates
- zillions more little rtc patches
- ptrace
- signals
- exec
- procfs
- rapidio
- nbd
- aoe
- pps
- memstick
- tools/testing/selftests updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (445 commits)
tools/testing/selftests: don't assume the x bit is set on scripts
selftests: add .gitignore for kcmp
selftests: fix clean target in kcmp Makefile
selftests: add .gitignore for vm
selftests: add hugetlbfstest
self-test: fix make clean
selftests: exit 1 on failure
kernel/resource.c: remove the unneeded assignment in function __find_resource
aio: fix wrong comment in aio_complete()
drivers/w1/slaves/w1_ds2408.c: add magic sequence to disable P0 test mode
drivers/memstick/host/r592.c: convert to module_pci_driver
drivers/memstick/host/jmb38x_ms: convert to module_pci_driver
pps-gpio: add device-tree binding and support
drivers/pps/clients/pps-gpio.c: convert to module_platform_driver
drivers/pps/clients/pps-gpio.c: convert to devm_* helpers
drivers/parport/share.c: use kzalloc
Documentation/accounting/getdelays.c: avoid strncpy in accounting tool
aoe: update internal version number to v83
aoe: update copyright date
aoe: perform I/O completions in parallel
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Add a configuration option to build RapidIO subsystem core code as a
loadable kernel module. Currently this option is available only for
x86-based platforms, with the additional patch for PowerPC planned to be
provided later.
This patch replaces kernel command line parameter "riohdid=" with its
module-specific analog "rapidio.hdid=".
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Andre van Herk <andre.van.herk@Prodrive.nl>
Cc: Micha Nelissen <micha.nelissen@Prodrive.nl>
Cc: Stef van Os <stef.van.os@Prodrive.nl>
Cc: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The only user of saved_max_pfn in s390 is read_oldmem interface but we
have removed that interface, so saved_max_pfn is now unneeded in s390, and
we needn't set it anymore.
Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Dave Hansen <dave@sr71.net>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The only user of saved_max_pfn in ia64 is read_oldmem interface but we
have removed that interface, so saved_max_pfn is now unneeded in ia64, and
we needn't set it anymore.
Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Dave Hansen <dave@sr71.net>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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saved_max_pfn is used to know the amount of memory that the previous
kernel used. And for powerpc, we set saved_max_pfn by passing the kernel
commandline parameter "savemaxmem=".
The only user of saved_max_pfn in powerpc is read_oldmem interface. Since
we have removed read_oldmem, we don't need this parameter anymore.
Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Dave Hansen <dave@sr71.net>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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saved_max_pfn is used to know the amount of memory that the previous
kernel used. And for powerpc, we set saved_max_pfn by passing the kernel
commandline parameter "savemaxmem=".
The only user of saved_max_pfn in mips is read_oldmem interface. Since we
have removed read_oldmem, so we don't need this parameter anymore.
Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Dave Hansen <dave@sr71.net>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Because it is not used.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jan Kratochvil <jan.kratochvil@redhat.com>
Cc: Michael Neuling <mikey@neuling.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Prasad <prasad@linux.vnet.ibm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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On CSR SiRFprimaII/atlasVI, there is a programmable 16-bit divider
(RTC_DIV) that divides the input 32.768KHz clock to the frequency that
users need (E.g. 1 Hz). The divided real-time clock will be used to
drive a 32-bit counter (RTC_COUNTER) that provides users with the actual
time.
In each cycle of the divided real-time clock, there is a Hertz interrupt
generated to the RISC. Users can also configure an alarm (RTC_ALARM).
When RTC_COUNTER matches the alarm, there will be an alarm interrupt
generated to the RISC.
The system RTC can generate an alarm wake-up signal to notify the power
controller to wake up from power saving mode.
Signed-off-by: Xianglong Du <Xianglong.Du@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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There have never been any real users of MEMSET operations since they
have been introduced in January 2007 by commit 7405f74badf4 ("dmaengine:
refactor dmaengine around dma_async_tx_descriptor"). Therefore remove
support for them for now, it can be always brought back when needed.
[sebastian.hesselbarth@gmail.com: fix drivers/dma/mv_xor]
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Acked-by: Dan Williams <djbw@fb.com>
Cc: Tomasz Figa <t.figa@samsung.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Olof Johansson <olof@lixom.net>
Cc: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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'cmdline' is a NUL terminated string, when its length < 4, memcmp()
will cause memory access out of boundary.
So use strncmp() instead of memcmp().
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Since die_if_kernel() is an extern common used function, better always
check the buffer length to avoid memory overflow by a long 'str'.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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