- 04 Aug, 2015 40 commits
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Axel Lin authored
commit 12c35005 upstream. WM8955_K_8_0_MASK bits is controlled by WM8955_PLL_CONTROL_3 rather than WM8955_PLL_CONTROL_2. Signed-off-by:
Axel Lin <axel.lin@ingics.com> Acked-by:
Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by:
Mark Brown <broonie@kernel.org> Signed-off-by:
Jiri Slaby <jslaby@suse.cz>
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Axel Lin authored
commit 14ba3ec1 upstream. According to the datasheet: R10 (0Ah) VMID Impedance Control BIT 3:2 VMIDSEL DEFAULT 00 DESCRIPTION: VMID impedance selection control 00: 75kΩ output 01: 300kΩ output 10: 2.5kΩ output WM8737_VMIDSEL_MASK is 0xC (VMIDSEL - [3:2]), so it needs to left shift WM8737_VMIDSEL_SHIFT bits for setting these bits. Signed-off-by:
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Dan Carpenter authored
commit 474ff0ae upstream. My static checker complains that: sound/soc/fsl/imx-wm8962.c:196 imx_wm8962_probe() warn: we tested 'ret' before and it was 'false' The intent was that we use "ret" to check imx_audmux_v2_configure_port(). Fixes: 8de2ae2a ('ASoC: fsl: add imx-wm8962 machine driver') Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Otherwise, Acked-by: Nicolin Chen <nicoleotsuka@gmail.com> Signed-off-by:
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Richard Fitzgerald authored
commit 15575ed5 upstream. The Arizona codec drivers had an incorrect dB scaling for the noise generator gain that started at 0dB and went upwards. Actually the highest setting is 0dB. Signed-off-by:
Richard Fitzgerald <rf@opensource.wolfsonmicro.com> Signed-off-by:
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Mauro Carvalho Chehab authored
commit 1fa2337a upstream. The maximum size for a DiSEqC command is 6, according to the userspace API. However, the code allows to write up much more values: drivers/media/dvb-frontends/cx24116.c:983 cx24116_send_diseqc_msg() error: buffer overflow 'd->msg' 6 <= 23 Signed-off-by:
Mauro Carvalho Chehab <mchehab@osg.samsung.com> Signed-off-by:
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Mauro Carvalho Chehab authored
commit 12f4543f upstream. The maximum size for a DiSEqC command is 6, according to the userspace API. However, the code allows to write up to 7 values: drivers/media/dvb-frontends/s5h1420.c:193 s5h1420_send_master_cmd() error: buffer overflow 'cmd->msg' 6 <= 7 Signed-off-by:
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Mauro Carvalho Chehab authored
commit d7b76c91 upstream. If userspace sends an invalid bandwidth, it should either return EINVAL or switch to auto mode. This driver will go past an array and program the hardware on a wrong way if this happens. Signed-off-by:
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Jan Leupold authored
commit 2ab5f39b upstream. The DT-Property "atmel,adc-startup-time" is stored in an u8 for a microsecond value. When trying to increase the value of STARTUP in Register AT91_ADC_MR some higher values can't be reached. Change the type in function parameter and private structure field from u8 to u32. Signed-off-by:
Jan Leupold <leupold@rsi-elektrotechnik.de> [nicolas.ferre@atmel.com: change commit message, increase u16 to u32 for startup time] Signed-off-by:
Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by:
Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by:
Jonathan Cameron <jic23@kernel.org> Signed-off-by: Jiri Slaby <jslaby@suse.cz> [-js: only change at91_adc_state for 3.12]
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JM Friedt authored
commit adfa9698 upstream. The value sent on the SPI bus is shifted by an erroneous number of bits. The shift value was already computed in the iio_chan_spec structure and hence subtracting this argument to 16 yields an erroneous data position in the SPI stream. Signed-off-by:
JM Friedt <jmfriedt@femto-st.fr> Acked-by:
Lars-Peter Clausen <lars@metafoo.de> Signed-off-by:
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Cyrille Pitchen authored
commit 93563a6a upstream. For TX transactions, the TXCOMP bit in the Status Register is cleared when the first data is written into the Transmit Holding Register. In the lines from at91_do_twi_transfer(): at91_twi_write_data_dma(dev); at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_TXCOMP); the TXCOMP interrupt may be enabled before the DMA controller has actually started to write into the THR. In such a case, the TXCOMP bit is still set into the Status Register so the interrupt is triggered immediately. The driver understands that a transaction completion has occurred but this transaction hasn't started yet. Hence the TXCOMP interrupt is no longer enabled by at91_do_twi_transfer() but instead by at91_twi_write_data_dma_callback(). Also, the TXCOMP bit in the Status Register in not a clear on read flag but a snapshot of the transmission state at the time the Status Register is read. When a NACK error is dectected by the I2C controller, the TXCOMP, NACK and TXRDY bits are set together to 1 in the SR. If enabled, the TXCOMP interrupt is triggered at the same time. Also setting the TXRDY to 1 triggers the DMA controller to write the next data into the THR. Such a write resets the TXCOMP bit to 0 in the SR. So depending on when the interrupt handler reads the SR, it may fail to detect the NACK error if it relies on the TXCOMP bit. The NACK bit and its interrupt should be used instead. For RX transactions, the TXCOMP bit in the Status Register is cleared when the START bit is set into the Control Register. However to unify the management of the TXCOMP bit when the DMA controller is used, the TXCOMP interrupt is now enabled by the DMA callbacks for both TX and RX transfers. Signed-off-by:
Cyrille Pitchen <cyrille.pitchen@atmel.com> Acked-by:
Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by:
Wolfram Sang <wsa@the-dreams.de> Signed-off-by:
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Joseph Qi authored
commit 6f6a6fda upstream. If updating journal superblock fails after journal data has been flushed, the error is omitted and this will mislead the caller as a normal case. In ocfs2, the checkpoint will be treated successfully and the other node can get the lock to update. Since the sb_start is still pointing to the old log block, it will rewrite the journal data during journal recovery by the other node. Thus the new updates will be overwritten and ocfs2 corrupts. So in above case we have to return the error, and ocfs2_commit_cache will take care of the error and prevent the other node to do update first. And only after recovering journal it can do the new updates. The issue discussion mail can be found at: https://oss.oracle.com/pipermail/ocfs2-devel/2015-June/010856.html http://comments.gmane.org/gmane.comp.file-systems.ext4/48841 [ Fixed bug in patch which allowed a non-negative error return from jbd2_cleanup_journal_tail() to leak out of jbd2_fjournal_flush(); this was causing xfstests ext4/306 to fail. -- Ted ] Reported-by:
Yiwen Jiang <jiangyiwen@huawei.com> Signed-off-by:
Joseph Qi <joseph.qi@huawei.com> Signed-off-by:
Theodore Ts'o <tytso@mit.edu> Tested-by:
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Dmitry Monakhov authored
commit b4f1afcd upstream. jbd2_cleanup_journal_tail() can be invoked by jbd2__journal_start() So allocations should be done with GFP_NOFS [Full stack trace snipped from 3.10-rh7] [<ffffffff815c4bd4>] dump_stack+0x19/0x1b [<ffffffff8105dba1>] warn_slowpath_common+0x61/0x80 [<ffffffff8105dcca>] warn_slowpath_null+0x1a/0x20 [<ffffffff815c2142>] slab_pre_alloc_hook.isra.31.part.32+0x15/0x17 [<ffffffff8119c045>] kmem_cache_alloc+0x55/0x210 [<ffffffff811477f5>] ? mempool_alloc_slab+0x15/0x20 [<ffffffff811477f5>] mempool_alloc_slab+0x15/0x20 [<ffffffff81147939>] mempool_alloc+0x69/0x170 [<ffffffff815cb69e>] ? _raw_spin_unlock_irq+0xe/0x20 [<ffffffff8109160d>] ? finish_task_switch+0x5d/0x150 [<ffffffff811f1a8e>] bio_alloc_bioset+0x1be/0x2e0 [<ffffffff8127ee49>] blkdev_issue_flush+0x99/0x120 [<ffffffffa019a733>] jbd2_cleanup_journal_tail+0x93/0xa0 [jbd2] -->GFP_KERNEL [<ffffffffa019aca1>] jbd2_log_do_checkpoint+0x221/0x4a0 [jbd2] [<ffffffffa019afc7>] __jbd2_log_wait_for_space+0xa7/0x1e0 [jbd2] [<ffffffffa01952d8>] start_this_handle+0x2d8/0x550 [jbd2] [<ffffffff811b02a9>] ? __memcg_kmem_put_cache+0x29/0x30 [<ffffffff8119c120>] ? kmem_cache_alloc+0x130/0x210 [<ffffffffa019573a>] jbd2__journal_start+0xba/0x190 [jbd2] [<ffffffff811532ce>] ? lru_cache_add+0xe/0x10 [<ffffffffa01c9549>] ? ext4_da_write_begin+0xf9/0x330 [ext4] [<ffffffffa01f2c77>] __ext4_journal_start_sb+0x77/0x160 [ext4] [<ffffffffa01c9549>] ext4_da_write_begin+0xf9/0x330 [ext4] [<ffffffff811446ec>] generic_file_buffered_write_iter+0x10c/0x270 [<ffffffff81146918>] __generic_file_write_iter+0x178/0x390 [<ffffffff81146c6b>] __generic_file_aio_write+0x8b/0xb0 [<ffffffff81146ced>] generic_file_aio_write+0x5d/0xc0 [<ffffffffa01bf289>] ext4_file_write+0xa9/0x450 [ext4] [<ffffffff811c31d9>] ? pipe_read+0x379/0x4f0 [<ffffffff811b93f0>] do_sync_write+0x90/0xe0 [<ffffffff811b9b6d>] vfs_write+0xbd/0x1e0 [<ffffffff811ba5b8>] SyS_write+0x58/0xb0 [<ffffffff815d4799>] system_call_fastpath+0x16/0x1b Signed-off-by:
Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by:
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Michal Hocko authored
commit 7444a072 upstream. ext4_free_blocks is looping around the allocation request and mimics __GFP_NOFAIL behavior without any allocation fallback strategy. Let's remove the open coded loop and replace it with __GFP_NOFAIL. Without the flag the allocator has no way to find out never-fail requirement and cannot help in any way. Signed-off-by:
Michal Hocko <mhocko@suse.cz> Signed-off-by:
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Eryu Guan authored
commit 8974fec7 upstream. Currently ext4_ind_migrate() doesn't correctly handle a file which contains a hole at the beginning of the file. This caused the migration to be done incorrectly, and then if there is a subsequent following delayed allocation write to the "hole", this would reclaim the same data blocks again and results in fs corruption. # assmuing 4k block size ext4, with delalloc enabled # skip the first block and write to the second block xfs_io -fc "pwrite 4k 4k" -c "fsync" /mnt/ext4/testfile # converting to indirect-mapped file, which would move the data blocks # to the beginning of the file, but extent status cache still marks # that region as a hole chattr -e /mnt/ext4/testfile # delayed allocation writes to the "hole", reclaim the same data block # again, results in i_blocks corruption xfs_io -c "pwrite 0 4k" /mnt/ext4/testfile umount /mnt/ext4 e2fsck -nf /dev/sda6 ... Inode 53, i_blocks is 16, should be 8. Fix? no ... Signed-off-by:
Eryu Guan <guaneryu@gmail.com> Signed-off-by:
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Eryu Guan authored
commit d6f123a9 upstream. Currently the check in ext4_ind_migrate() is not enough before doing the real conversion: a) delayed allocated extents could bypass the check on eh->eh_entries and eh->eh_depth This can be demonstrated by this script xfs_io -fc "pwrite 0 4k" -c "pwrite 8k 4k" /mnt/ext4/testfile chattr -e /mnt/ext4/testfile where testfile has two extents but still be converted to non-extent based file format. b) only extent length is checked but not the offset, which would result in data lose (delalloc) or fs corruption (nodelalloc), because non-extent based file only supports at most (12 + 2^10 + 2^20 + 2^30) blocks This can be demostrated by xfs_io -fc "pwrite 5T 4k" /mnt/ext4/testfile chattr -e /mnt/ext4/testfile sync If delalloc is enabled, dmesg prints EXT4-fs warning (device dm-4): ext4_block_to_path:105: block 1342177280 > max in inode 53 EXT4-fs (dm-4): Delayed block allocation failed for inode 53 at logical offset 1342177280 with max blocks 1 with error 5 EXT4-fs (dm-4): This should not happen!! Data will be lost If delalloc is disabled, e2fsck -nf shows corruption Inode 53, i_size is 5497558142976, should be 4096. Fix? no Fix the two issues by a) forcing all delayed allocation blocks to be allocated before checking eh->eh_depth and eh->eh_entries b) limiting the last logical block of the extent is within direct map Signed-off-by:
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Lukas Czerner authored
commit 9705acd6 upstream. On delalloc enabled file system on invalidatepage operation in ext4_da_page_release_reservation() we want to clear the delayed buffer and remove the extent covering the delayed buffer from the extent status tree. However currently there is a bug where on the systems with page size > block size we will always remove extents from the start of the page regardless where the actual delayed buffers are positioned in the page. This leads to the errors like this: EXT4-fs warning (device loop0): ext4_da_release_space:1225: ext4_da_release_space: ino 13, to_free 1 with only 0 reserved data blocks This however can cause data loss on writeback time if the file system is in ENOSPC condition because we're releasing reservation for someones else delayed buffer. Fix this by only removing extents that corresponds to the part of the page we want to invalidate. This problem is reproducible by the following fio receipt (however I was only able to reproduce it with fio-2.1 or older. [global] bs=8k iodepth=1024 iodepth_batch=60 randrepeat=1 size=1m directory=/mnt/test numjobs=20 [job1] ioengine=sync bs=1k direct=1 rw=randread filename=file1:file2 [job2] ioengine=libaio rw=randwrite direct=1 filename=file1:file2 [job3] bs=1k ioengine=posixaio rw=randwrite direct=1 filename=file1:file2 [job5] bs=1k ioengine=sync rw=randread filename=file1:file2 [job7] ioengine=libaio rw=randwrite filename=file1:file2 [job8] ioengine=posixaio rw=randwrite filename=file1:file2 [job10] ioengine=mmap rw=randwrite bs=1k filename=file1:file2 [job11] ioengine=mmap rw=randwrite direct=1 filename=file1:file2 Signed-off-by:
Lukas Czerner <lczerner@redhat.com> Signed-off-by:
Jan Kara <jack@suse.cz> Signed-off-by:
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Darrick J. Wong authored
commit 292db1bc upstream. ext4 isn't willing to map clusters to a non-extent file. Don't signal this with an out of space error, since the FS will retry the allocation (which didn't fail) forever. Instead, return EUCLEAN so that the operation will fail immediately all the way back to userspace. (The fix is either to run e2fsck -E bmap2extent, or to chattr +e the file.) Signed-off-by:
Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by:
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Theodore Ts'o authored
commit 89d96a6f upstream. Normally all of the buffers will have been forced out to disk before we call invalidate_bdev(), but there will be some cases, where a file system operation was aborted due to an ext4_error(), where there may still be some dirty buffers in the buffer cache for the device. So try to force them out to memory before calling invalidate_bdev(). This fixes a warning triggered by generic/081: WARNING: CPU: 1 PID: 3473 at /usr/projects/linux/ext4/fs/block_dev.c:56 __blkdev_put+0xb5/0x16f() Signed-off-by:
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Theodore Ts'o authored
commit bdf96838 upstream. The commit cf108bca: "ext4: Invert the locking order of page_lock and transaction start" caused __ext4_journalled_writepage() to drop the page lock before the page was written back, as part of changing the locking order to jbd2_journal_start -> page_lock. However, this introduced a potential race if there was a truncate racing with the data=journalled writeback mode. Fix this by grabbing the page lock after starting the journal handle, and then checking to see if page had gotten truncated out from under us. This fixes a number of different warnings or BUG_ON's when running xfstests generic/086 in data=journalled mode, including: jbd2_journal_dirty_metadata: vdc-8: bad jh for block 115643: transaction (ee3fe7 c0, 164), jh->b_transaction ( (null), 0), jh->b_next_transaction ( (null), 0), jlist 0 - and - kernel BUG at /usr/projects/linux/ext4/fs/jbd2/transaction.c:2200! ... Call Trace: [<c02b2ded>] ? __ext4_journalled_invalidatepage+0x117/0x117 [<c02b2de5>] __ext4_journalled_invalidatepage+0x10f/0x117 [<c02b2ded>] ? __ext4_journalled_invalidatepage+0x117/0x117 [<c027d883>] ? lock_buffer+0x36/0x36 [<c02b2dfa>] ext4_journalled_invalidatepage+0xd/0x22 [<c0229139>] do_invalidatepage+0x22/0x26 [<c0229198>] truncate_inode_page+0x5b/0x85 [<c022934b>] truncate_inode_pages_range+0x156/0x38c [<c0229592>] truncate_inode_pages+0x11/0x15 [<c022962d>] truncate_pagecache+0x55/0x71 [<c02b913b>] ext4_setattr+0x4a9/0x560 [<c01ca542>] ? current_kernel_time+0x10/0x44 [<c026c4d8>] notify_change+0x1c7/0x2be [<c0256a00>] do_truncate+0x65/0x85 [<c0226f31>] ? file_ra_state_init+0x12/0x29 - and - WARNING: CPU: 1 PID: 1331 at /usr/projects/linux/ext4/fs/jbd2/transaction.c:1396 irty_metadata+0x14a/0x1ae() ... Call Trace: [<c01b879f>] ? console_unlock+0x3a1/0x3ce [<c082cbb4>] dump_stack+0x48/0x60 [<c0178b65>] warn_slowpath_common+0x89/0xa0 [<c02ef2cf>] ? jbd2_journal_dirty_metadata+0x14a/0x1ae [<c0178bef>] warn_slowpath_null+0x14/0x18 [<c02ef2cf>] jbd2_journal_dirty_metadata+0x14a/0x1ae [<c02d8615>] __ext4_handle_dirty_metadata+0xd4/0x19d [<c02b2f44>] write_end_fn+0x40/0x53 [<c02b4a16>] ext4_walk_page_buffers+0x4e/0x6a [<c02b59e7>] ext4_writepage+0x354/0x3b8 [<c02b2f04>] ? mpage_release_unused_pages+0xd4/0xd4 [<c02b1b21>] ? wait_on_buffer+0x2c/0x2c [<c02b5a4b>] ? ext4_writepage+0x3b8/0x3b8 [<c02b5a5b>] __writepage+0x10/0x2e [<c0225956>] write_cache_pages+0x22d/0x32c [<c02b5a4b>] ? ext4_writepage+0x3b8/0x3b8 [<c02b6ee8>] ext4_writepages+0x102/0x607 [<c019adfe>] ? sched_clock_local+0x10/0x10e [<c01a8a7c>] ? __lock_is_held+0x2e/0x44 [<c01a8ad5>] ? lock_is_held+0x43/0x51 [<c0226dff>] do_writepages+0x1c/0x29 [<c0276bed>] __writeback_single_inode+0xc3/0x545 [<c0277c07>] writeback_sb_inodes+0x21f/0x36d ... Signed-off-by:
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Haggai Eran authored
commit cab46214 upstream. With an RTL8191SU USB adaptor, sometimes the hints for a fragmented packet are set, but the packet length is too large. Allocate enough space to prevent memory corruption and a resulting kernel panic [1]. [1] http://www.spinics.net/lists/linux-wireless/msg136546.htmlSigned-off-by:
Haggai Eran <haggai.eran@gmail.com> ACKed-by:
Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by:
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Felix Fietkau authored
commit 300f77c0 upstream. AR93xx and newer needs to stop rx before tx to avoid getting the DMA engine or MAC into a stuck state. This should reduce/fix the occurence of "Failed to stop Tx DMA" logspam. Signed-off-by:
Felix Fietkau <nbd@openwrt.org> Signed-off-by:
Kalle Valo <kvalo@codeaurora.org> Signed-off-by:
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Marcel Holtmann authored
commit ecffc804 upstream. The SKB returned from the Intel specific version information command is missing a kfree_skb. Signed-off-by:
Marcel Holtmann <marcel@holtmann.org> Signed-off-by:
Johan Hedberg <johan.hedberg@intel.com> Signed-off-by:
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Boris BREZILLON authored
commit 60c3bc1f upstream. read_buf is called in place of write_buf in the nand_write_page_raw_syndrome function. Signed-off-by:
Boris BREZILLON <b.brezillon.dev@gmail.com> Signed-off-by:
Brian Norris <computersforpeace@gmail.com> Cc: Mason <slash.tmp@free.fr> Signed-off-by:
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Len Brown authored
commit bea57077 upstream. Signed-off-by:
Len Brown <len.brown@intel.com> Signed-off-by:
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Len Brown authored
commit a138b568 upstream. Broadwell (BDW) is similar to Haswell (HSW), the preceding processor generation. Currently, the only difference in their C-state tables is that PC3 max exit latency is 33usec on HSW and 40usec on BDW. Signed-off-by:
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Martin Schwidefsky authored
commit 7e01b5ac upstream. Introduce KEXEC_CONTROL_MEMORY_GFP to allow the architecture code to override the gfp flags of the allocation for the kexec control page. The loop in kimage_alloc_normal_control_pages allocates pages with GFP_KERNEL until a page is found that happens to have an address smaller than the KEXEC_CONTROL_MEMORY_LIMIT. On systems with a large memory size but a small KEXEC_CONTROL_MEMORY_LIMIT the loop will keep allocating memory until the oom killer steps in. Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
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Devin Ryles authored
commit 3eee1799 upstream. Signed-off-by:
Devin Ryles <devin.ryles@intel.com> Reviewed-by:
Jean Delvare <jdelvare@suse.de> Signed-off-by:
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james.d.ralston@intel.com authored
commit 3e27a844 upstream. This patch adds the I2C/SMBus Device IDs for the Intel Sunrise Point PCH. Signed-off-by:
James Ralston <james.d.ralston@intel.com> Signed-off-by:
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Alan Cox authored
commit 39e8e30e upstream. The SMBus host controller is the same as used in Baytrail so add the new PCI ID to the driver's list of supported IDs. Signed-off-by:
Alan Cox <alan@linux.intel.com> Signed-off-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by:
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Jean Delvare authored
commit b299de83 upstream. Signed-off-by:
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Jean Delvare authored
commit ce316110 upstream. A long name broke the alignment, shift the columns a bit to fix it and make the table look nice again. While we're here, switch to the standard comment style to make checkpatch happy, and use tabs instead of spaces for column alignment. Signed-off-by:
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Bob Moore authored
commit faae404e upstream. This urgent patch is cherry picked from ACPICA upstream. It is reported that some platforms fail to boot without this new _OSI string. This change adds this string for Windows 8.1 and Server 2012 R2. Reported-by:
Zhang Rui <rui.zhang@intel.com> Signed-off-by:
Bob Moore <Robert.Moore@intel.com> Signed-off-by:
Lv Zheng <lv.zheng@intel.com> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by:
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Mika Westerberg authored
commit 25b3dfc8 upstream. Newer Intel PCHs with LPSS have the same Designware I2C controllers than Haswell but the ACPI IDs differ. Add these IDs to the driver list. Signed-off-by:
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Mika Westerberg authored
commit 4edd7901 upstream. Newer Intel PCHs have the same GPIO controller than Haswell but the ACPI ID is different. Add this ID to the driver supported IDs list. Signed-off-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
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Mike Christie authored
commit 126e964a upstream. https://bugzilla.kernel.org/show_bug.cgi?id=67091 Cc: Jayamohan Kallickal <Jayamohan.Kallickal@emulex.com> Signed-off-by:
James Bottomley <JBottomley@Parallels.com> Signed-off-by:
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Martin K. Petersen authored
commit 243918be upstream. Queued TRIM got disabled on Micron M500DC drives thanks to the "Micron_M500*" pattern we had in place to accommodate the previous generation of this drive family. Tweak the blacklist entry slightly so we only disable queued TRIM for the non-DC variants of M500 drives. Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com> Cc: stable@vger.kernel.org Signed-off-by:
Tejun Heo <tj@kernel.org> Signed-off-by:
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Jan Kara authored
commit 01777836 upstream. If do_journal_release() races with do_journal_end() which requeues delayed works for transaction flushing, we can leave work items for flushing outstanding transactions queued while freeing them. That results in use after free and possible crash in run_timers_softirq(). Fix the problem by not requeueing works if superblock is being shut down (MS_ACTIVE not set) and using cancel_delayed_work_sync() in do_journal_release(). Cc: stable@vger.kernel.org Signed-off-by:
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Takashi Iwai authored
commit 1ee23fe0 upstream. The recent addition of the USB audio mixer suspend/resume may lead to deadlocks when the driver tries to call usb_autopm_get_interface() recursively, since the function tries to sync with the finish of the other calls. For avoiding it, introduce a flag indicating the resume operation and avoids the recursive usb_autopm_get_interface() calls during the resume. Reported-and-tested-by:
Bryan Quigley <gquigs@gmail.com> Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
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Takashi Iwai authored
commit 1c53e725 upstream. The suspend callback of usb-audio driver may be called multiple times per suspend when multiple USB interfaces are bound to a single sound card instance. In such a case, it's superfluous to save the mixer values multiple times. This patch fixes it by checking the counter. Signed-off-by:
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Takashi Iwai authored
commit 400362f1 upstream. Implement reset_resume callback so that the mixer values are properly restored. Still no boot quirks are called, so it might not work well on some devices. Signed-off-by:
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