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Patch e68410ebf626 ("crypto: x86/sha512_ssse3 - move SHA-384/512
SSSE3 implementation to base layer") changed the prototypes of the
core asm SHA-512 implementations so that they are compatible with
the prototype used by the base layer.
However, in one instance, the register that was used for passing the
input buffer was reused as a scratch register later on in the code,
and since the input buffer param changed places with the digest param
-which needs to be written back before the function returns- this
resulted in the scratch register to be dereferenced in a memory write
operation, causing a GPF.
Fix this by changing the scratch register to use the same register as
the input buffer param again.
Fixes: e68410ebf626 ("crypto: x86/sha512_ssse3 - move SHA-384/512 SSSE3 implementation to base layer")
Reported-By: Bobby Powers <bobbypowers@gmail.com>
Tested-By: Bobby Powers <bobbypowers@gmail.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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- flush dcache before flush instruction cache
- remork update_mmu_cache and flush_dcache_page
- add shmparam.h
Signed-off-by: Ley Foon Tan <lftan@altera.com>
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Reported by the header checker (CONFIG_HEADERS_CHECK=y):
CHECK usr/include/asm/ (31 files)
./usr/include/asm/ptrace.h:77: found __[us]{8,16,32,64} type without #include <linux/types.h>
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Acked-by: Ley Foon Tan <lftan@altera.com>
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We have two machines with alc256 codec in the pin quirk table, so
moving the common pins to ALC256_STANDARD_PINS.
Cc: stable@vger.kernel.org
BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1447909
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Signed-off-by: Steven Miao <realmz6@gmail.com>
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The related syscalls are below which may cause samples/kdbus building
break in next-20150401 tree, the related information and error:
CALL scripts/checksyscalls.sh
<stdin>:1223:2: warning: #warning syscall kcmp not implemented [-Wcpp]
<stdin>:1226:2: warning: #warning syscall finit_module not implemented [-Wcpp]
<stdin>:1229:2: warning: #warning syscall sched_setattr not implemented [-Wcpp]
<stdin>:1232:2: warning: #warning syscall sched_getattr not implemented [-Wcpp]
<stdin>:1235:2: warning: #warning syscall renameat2 not implemented [-Wcpp]
<stdin>:1238:2: warning: #warning syscall seccomp not implemented [-Wcpp]
<stdin>:1241:2: warning: #warning syscall getrandom not implemented [-Wcpp]
<stdin>:1244:2: warning: #warning syscall memfd_create not implemented [-Wcpp]
<stdin>:1247:2: warning: #warning syscall bpf not implemented [-Wcpp]
<stdin>:1250:2: warning: #warning syscall execveat not implemented [-Wcpp]
[...]
HOSTCC samples/kdbus/kdbus-workers
samples/kdbus/kdbus-workers.c: In function ‘prime_new’:
samples/kdbus/kdbus-workers.c:930:18: error: ‘__NR_memfd_create’ undeclared (first use in this function)
p->fd = syscall(__NR_memfd_create, "prime-area", MFD_CLOEXEC);
^
samples/kdbus/kdbus-workers.c:930:18: note: each undeclared identifier is reported only once for each function it appears in
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
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The code to fix stalls during free spache cache IO wasn't using
the correct root when waiting on the IO for inode caches. This
is only a problem when the inode cache is enabled with
mount -o inode_cache
This fixes the inode cache writeout to preserve any error values and
makes sure not to override the root when inode cache writeout is done.
Reported-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
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* acpi-dock:
MAINTAINERS: remove maintainship entry of docking station driver
* acpi-ec:
ACPI / EC: fix NULL pointer dereference in acpi_ec_remove_query_handler()
* acpi-scan:
ACPI / scan: Add a scan handler for PRP0001
ACPI / scan: Annotate physical_node_lock in acpi_scan_is_offline()
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If the special PRP0001 device ID is present in the given device's list
of ACPI/PNP IDs and the device has a valid "compatible" property in
the _DSD, it should be enumerated using the default mechanism,
unless some scan handlers match the IDs preceding PRP0001 in the
device's list of ACPI/PNP IDs. In addition to that, no scan handlers
matching the IDs following PRP0001 in that list should be attached
to the device.
To make that happen, define a scan handler that will match PRP0001
and trigger the default enumeration for the matching devices if the
"compatible" property is present for them.
Since that requires the check for platform_id and device->handler
to be removed from acpi_default_enumeration(), move the fallback
invocation of acpi_default_enumeration() to acpi_bus_attach()
(after it's checked if there's a matching ACPI driver for the
device), which is a better place to call it, and do the platform_id
check in there too (device->handler is guaranteed to be unset at
the point where the function is looking for a matching ACPI driver).
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
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acpi_scan_is_offline() may be called under the physical_node_lock
lock of the given device object's parent, so prevent lockdep from
complaining about that by annotating that instance with
SINGLE_DEPTH_NESTING.
Fixes: caa73ea158de (ACPI / hotplug / driver core: Handle containers in a special way)
Reported-and-tested-by: Xie XiuQi <xiexiuqi@huawei.com>
Reviewed-by: Toshi Kani <toshi.kani@hp.com>
Cc: 3.14+ <stable@vger.kernel.org> # 3.14+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Due this typo we don't save/restore the GFX_MAX_REQ_COUNT register across
suspend/resume, so fix this.
This was introduced in
commit ddeea5b0c36f3665446518c609be91f9336ef674
Author: Imre Deak <imre.deak@intel.com>
Date: Mon May 5 15:19:56 2014 +0300
drm/i915: vlv: add runtime PM support
I noticed this only by reading the code. To my knowledge it shouldn't
cause any real problems at the moment, since the power well backing this
register remains on across a runtime s/r. This may change once
system-wide s0ix functionality is enabled in the kernel.
v2:
- resend after a missing git add -u :/
Cc: stable@vger.kernel.org
Signed-off-by: Imre Deak <imre.deak@intel.com>
Tested-By: PRC QA PRTS (Patch Regression Test System Contact: shuang.he@intel.com)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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WaIdleLiteRestore is an execlists-only workaround, and requires the driver
to ensure that any context always has HEAD!=TAIL when attempting lite
restore.
Add two extra MI_NOOP instructions at the end of each request, but keep
the requests tail pointing before the MI_NOOPs. We may not need to
executed them, and this is why request->tail is sampled before adding
these extra instructions.
If we submit a context to the ELSP which has previously been submitted,
move the tail pointer past the MI_NOOPs. This ensures HEAD!=TAIL.
v2: Move overallocation to gen8_emit_request, and added note about
sampling request->tail in commit message (Chris).
v3: Remove redundant request->tail assignment in __i915_add_request, in
lrc mode this is already set in execlists_context_queue.
Do not add wa implementation details inside gem (Chris).
v4: Apply the wa whenever the req has been resubmitted and update
comment (Chris).
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Thomas Daniel <thomas.daniel@intel.com>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The hardware, according to the specs, is limited to 256 byte transfers,
and current driver has no protections in case users attempt to do larger
transfers. The code will just stomp over status register and mayhem
ensues.
Let's split larger transfers into digestable chunks. Doing this allows
Atmel MXT driver on Pixel 1 function properly (it hasn't since commit
9d8dc3e529a19e427fd379118acd132520935c5d "Input: atmel_mxt_ts -
implement T44 message handling" which tries to consume multiple
touchscreen/touchpad reports in a single transaction).
Cc: stable@vger.kernel.org
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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NFS: NFSoRDMA Client Changes
This patch series creates an operation vector for each of the different
memory registration modes. This should make it easier to one day increase
credit limit, rsize, and wsize.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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* bugfixes:
NFSv4: Return delegations synchronously in evict_inode
SUNRPC: Fix a regression when reconnecting
NFS: remount with security change should return EINVAL
nfs: do not export discarded symbols
NFSv4.1: don't export static symbol
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The brand new GCC 5.1.0 warns by default on using a boolean in the
switch condition. This results in the following warning:
fs/nfs/nfs4proc.c: In function 'nfs4_proc_get_rootfh':
fs/nfs/nfs4proc.c:3100:10: warning: switch condition has boolean value [-Wswitch-bool]
switch (auth_probe) {
^
This code was obviously using switch to make use of the fall-through
semantics (without the usual comment, though).
Rewrite that code using if statements to avoid the warning and make
the code a bit more readable on the way.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Don't unnecessarily cast allocation return value in
fs/nfs/inode.c::nfs_alloc_inode().
Signed-off-by: Firo Yang <firogm@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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If a READDIR reply comes back without any page data, avoid a NULL pointer
dereference in xdr_copy_to_scratch().
BUG: unable to handle kernel NULL pointer dereference at 0000000000000001
IP: [<ffffffff813a378d>] memcpy+0xd/0x110
...
Call Trace:
? xdr_inline_decode+0x7a/0xb0 [sunrpc]
nfs3_decode_dirent+0x73/0x320 [nfsv3]
nfs_readdir_page_filler+0xd5/0x4e0 [nfs]
? nfs3_rpc_wrapper.constprop.9+0x42/0xc0 [nfsv3]
nfs_readdir_xdr_to_array+0x1fa/0x330 [nfs]
? mem_cgroup_commit_charge+0xac/0x160
? nfs_readdir_xdr_to_array+0x330/0x330 [nfs]
nfs_readdir_filler+0x22/0x90 [nfs]
do_read_cache_page+0x7e/0x1a0
read_cache_page+0x1c/0x20
nfs_readdir+0x18e/0x660 [nfs]
? nfs3_xdr_dec_getattr3res+0x80/0x80 [nfsv3]
iterate_dir+0x97/0x130
SyS_getdents+0x94/0x120
? fillonedir+0xd0/0xd0
system_call_fastpath+0x12/0x17
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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This reverts commit 5a254d08b086d80cbead2ebcee6d2a4b3a15587a.
Since commit 5a254d08b086 ("nfs: replace nfs_add_stats with
nfs_inc_stats when add one"), nfs_readpage and nfs_do_writepage use
nfs_inc_stats to increment NFSIOS_READPAGES and NFSIOS_WRITEPAGES
instead of nfs_add_stats.
However nfs_inc_stats does not do the same thing as nfs_add_stats with
value 1 because these functions work on distinct stats:
nfs_inc_stats increments stats from "enum nfs_stat_eventcounters" (in
server->io_stats->events) and nfs_add_stats those from "enum
nfs_stat_bytecounters" (in server->io_stats->bytes).
Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Fixes: 5a254d08b086 ("nfs: replace nfs_add_stats with nfs_inc_stats...")
Cc: stable@vger.kernel.org # 3.19+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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I added the nfs4 prefix to make it obvious that this file is built into
the NFS v4 module, and not the generic client.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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This file is only used internally to the NFS v4 module, so it doesn't
need to be in the global include path. I also renamed it from
nfs_idmap.h to nfs4idmap.h to emphasize that it's an NFSv4-only include
file.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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The idmapper is completely internal to the NFS v4 module, so this macro
will always evaluate to true. This patch also removes unnecessary
includes of this file from the generic NFS client.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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d4b18c3e (pnfs: remove GETDEVICELIST implementation) removed the
GETDEVICELIST operation from the NFS client, but left a "hole" in the
nfs4_procedures array. This caused /proc/self/mountstats to report an
operation named "51" where GETDEVICELIST used to be. This patch adds a
stub to fix mountstats.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Fixes: d4b18c3e (pnfs: remove GETDEVICELIST implementation)
Cc: stable@vger.kernel.org # 3.17+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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For flexfiles driver, we might choose to read from mirror index other
than 0 while mirror_count is always 1 for read.
Reported-by: Jean Spector <jean@primarydata.com>
Cc: <stable@vger.kernel.org> # v3.19+
Cc: Weston Andros Adamson <dros@primarydata.com>
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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For direct read that has IO size larger than rsize, we'll split
it into several READ requests and nfs_direct_good_bytes() would
count completed bytes incorrectly by eating last zero count reply.
Fix it by handling mirror and non-mirror cases differently such that
we only count mirrored writes differently.
This fixes 5fadeb47("nfs: count DIO good bytes correctly with mirroring").
Reported-by: Jean Spector <jean@primarydata.com>
Cc: <stable@vger.kernel.org> # v3.19+
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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2ef47eb1 (NFS: Fix use of nfs_attr_use_mounted_on_fileid()) was a good
start to fixing a circular directory structure warning for NFS v4
"junctioned" mountpoints. Unfortunately, further testing continued to
generate this error.
My server is configured like this:
anna@nfsd ~ % df
Filesystem Size Used Avail Use% Mounted on
/dev/vda1 9.1G 2.0G 6.5G 24% /
/dev/vdc1 1014M 33M 982M 4% /exports
/dev/vdc2 1014M 33M 982M 4% /exports/vol1
/dev/vdc3 1014M 33M 982M 4% /exports/vol1/vol2
anna@nfsd ~ % cat /etc/exports
/exports/ *(rw,async,no_subtree_check,no_root_squash)
/exports/vol1/ *(rw,async,no_subtree_check,no_root_squash)
/exports/vol1/vol2 *(rw,async,no_subtree_check,no_root_squash)
I've been running chown across the entire mountpoint twice in a row to
hit this problem. The first run succeeds, but the second one fails with
the circular directory warning along with:
anna@client ~ % dmesg
[Apr 3 14:28] NFS: server 192.168.100.204 error: fileid changed
fsid 0:39: expected fileid 0x100080, got 0x80
WHere 0x80 is the mountpoint's fileid and 0x100080 is the mounted-on
fileid.
This patch fixes the issue by requesting an updated mounted-on fileid
from the server during nfs_update_inode(), and then checking that the
fileid stored in the nfs_inode matches either the fileid or mounted-on
fileid returned by the server.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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v2: gracefully handle the case where some dentry pointers end up NULL
and be more dilligent about zeroing out dentry pointers
We currently have a problem that SELinux policy is being enforced when
creating debugfs files. If a debugfs file is created as a side effect of
doing some syscall, then that creation can fail if the SELinux policy
for that process prevents it.
This seems wrong. We don't do that for files under /proc, for instance,
so Bruce has proposed a patch to fix that.
While discussing that patch however, Greg K.H. stated:
"No kernel code should care / fail if a debugfs function fails, so
please fix up the sunrpc code first."
This patch converts all of the sunrpc debugfs setup code to be void
return functins, and the callers to not look for errors from those
functions.
This should allow rpc_clnt and rpc_xprt creation to work, even if the
kernel fails to create debugfs files for some reason.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Chuck pointed out a problem that crept in with commit 6ffa30d3f734 (nfs:
don't call blocking operations while !TASK_RUNNING). Linux counts tasks
in uninterruptible sleep against the load average, so this caused the
system's load average to be pinned at at least 1 when there was a
NFSv4.1+ mount active.
Not a huge problem, but it's probably worth fixing before we get too
many complaints about it. This patch converts the code back to use
TASK_INTERRUPTIBLE sleep, simply has it flush any signals on each loop
iteration. In practice no one should really be signalling this thread at
all, so I think this is reasonably safe.
With this change, there's also no need to game the hung task watchdog so
we can also convert the schedule_timeout call back to a normal schedule.
Cc: <stable@vger.kernel.org>
Reported-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Tested-by: Chuck Lever <chuck.lever@oracle.com>
Fixes: commit 6ffa30d3f734 (“nfs: don't call blocking . . .”)
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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At the very least, we should not be taking the i_mutex until after
checking if the server even supports ALLOCATE or DEALLOCATE, allowing
v4.0 or v4.1 to exit without potentially waiting on a lock.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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This patch adds a GETATTR to the end of ALLOCATE and DEALLOCATE
operations so we can set the updated inode size and change attribute
directly. DEALLOCATE will still need to release pagecache pages, so
nfs42_proc_deallocate() now calls truncate_pagecache_range() before
contacting the server.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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The driver uses pinctrl directly and thus should include the appropriate
header. Sort the headers while we are here to have a better view what is
included and what is not.
Reported-by: Pascal Huerst <pascal.huerst@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Those symlinks are created for the mux_dev, so we need to remove it from
there. Currently, it breaks for muxes where the mux_dev is not the device
of the parent adapter like this:
[ 78.234644] WARNING: CPU: 0 PID: 365 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x5c/0x78()
[ 78.242438] sysfs: cannot create duplicate filename '/devices/platform/i2cbus@8/channel-0'
Remove confusing comments while we are here.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Fixes: c9449affad2ae0
Cc: stable@kernel.org
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And sort them to prevent this from happening again.
Reported-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Commit 523c5b89640e ("i2c: Remove support for legacy PM") removed the PM
ops from the bus type, which causes the pm operations on the s3c2410
adapter device to fail (-ENOSUPP in rpm_callback). The adapter device
doesn't get bound to a driver and as such can't have its own pm_runtime
callbacks. Previously this was fine as the bus callbacks would have been
used, but now this can cause devices which use PM runtime and are
attached over I2C to fail to resume.
This commit fixes this issue by marking all adapter devices with
pm_runtime_no_callbacks, since they can't have any.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Beata Michalska <b.michalska@samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Fixes: 523c5b89640e
Cc: stable@kernel.org
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My Pengutronix address is not valid anymore, redirect people to the Pengutronix
kernel team.
Reported-by: Harald Geyer <harald@ccbib.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Robert Schwebel <r.schwebel@pengutronix.de>
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My Pengutronix address is not valid anymore, redirect people to the Pengutronix
kernel team.
Reported-by: Harald Geyer <harald@ccbib.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Robert Schwebel <r.schwebel@pengutronix.de>
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master_xfer() method should return number of i2c messages transferred,
but on Rockchip we were usually returning just 1, which caused trouble
with users that actually check number of transferred messages vs.
checking for negative error codes.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
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Remove the function kgdb_post_primary_code() that is not used anywhere.
This was partially found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Acked-by: Sonic Zhang <sonic.zhang@analog.com>
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Signed-off-by: Steven Miao <realmz6@gmail.com>
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Signed-off-by: Steven Miao <realmz6@gmail.com>
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Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Steven Miao <realmz6@gmail.com>
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Sometimes it fails to wake up from suspend to RAM, this is because
we would flush the data cache by assemble command FLUSHINV before
suspend to RAM, and there is a delay between this command execution
and cache flush completion. Add a 1uS delay to works around this.
Signed-off-by: Aaron Wu <Aaron.wu@analog.com>
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Interacting with the USB_PHY_TEST MMR through debugfs was causing wide-spread
chaos in the realm (kernel panic). Expunge all references to this demonic
register.
Signed-off-by: Andre Wolokita <Andre.Wolokita@analog.com>
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data
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
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Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
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Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
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Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
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There is a new bf6xx audio dma driver, so we don't reuse
bf5xx i2s pcm driver again.
Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
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Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
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