[PATCH] virtio-balloon: fix a typo in comment of virtballoon_migratepage()

Typo: compation --> compaction Signed-off-by: Liu Xiang --- drivers/virtio/virtio_balloon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 7da25b87f..c25665802 100644 --- a/drivers/vir

linux-kernel@vger.kernel.org

Since pages have been deflated to a local list, there is no race between fill and leak. Signed-off-by: Liu Xiang --- drivers/virtio/virtio_balloon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index

Re: [PATCH] ARM: fix smp_processor_id() in preemptible warning in harden_branch_predictor()

Russell King - ARM Linux admin 于2021年3月25日周四 下午6:06写道： > > On Thu, Mar 25, 2021 at 05:50:49PM +0800, Liu Xiang wrote: > > When CONFIG_HARDEN_BRANCH_PREDICTOR is selected and user aborts occur, > > there is a warning: > > > > BUG: using smp_processor_id() in preempti

[PATCH] ARM: fix smp_processor_id() in preemptible warning in harden_branch_predictor()

01012a8>] (do_DataAbort) from [<8010b03c>] (__dabt_usr+0x3c/0x40) Exception stack(0xb21d1fb0 to 0xb21d1ff8) 1fa0: fff4 0054 fff4 1fc0: 7ed81cc8 7ed81ca0 0007a440 00000000 1fe0: 7ed81ca0 0001

[PATCH] drm/virtio: check the return value of virtio_gpu_alloc_cmd_resp()

Now there is no check with the return value of virtio_gpu_alloc_cmd_resp(). If it fails, the following operation will cause a fault. Signed-off-by: Liu Xiang --- drivers/gpu/drm/virtio/virtgpu_vq.c | 89 + 1 file changed, 89 insertions(+) diff --git a/drivers/gpu

Re: [PATCH] pinctrl: sunxi: fix use-after-free in sunxi_pmx_free()

> On Thu, Jan 21, 2021 at 5:40 PM Maxime Ripard wrote: > On Tue, Jan 19, 2021 at 02:29:08PM +0800, Liu Xiang wrote: > > When CONFIG_REGULATOR is not set, sunxi_pmx_request() always return > > success. Even a group of pins call sunxi_pmx_request(), the refcount > > is only

Re: [PATCH] pinctrl: sunxi: fix use-after-free in sunxi_pmx_free()

-- > On Thu, Jan 21, 2021 at 5:40 PM Maxime Ripard wrote: > On Tue, Jan 19, 2021 at 02:29:08PM +0800, Liu Xiang wrote: > > When CONFIG_REGULATOR is not set, sunxi_pmx_request() always return > > success. Even a

Re: [PATCH] pinctrl: sunxi: fix use-after-free in sunxi_pmx_free()

> Hi, > On Tue, Jan 19, 2021 at 02:29:08PM +0800, Liu Xiang wrote: > When CONFIG_REGULATOR is not set, sunxi_pmx_request() always return > success. Even a group of pins call sunxi_pmx_request(), the refcount > is only 1. This can cause a use-after-free warning in sunxi_pmx_free().

[PATCH] mmc: block: use REQ_HIPRI flag to complete request directly in own complete workqueue

in its own complete workqueue and the preemptoff problem could be avoided. Signed-off-by: Liu Xiang --- drivers/mmc/core/block.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 42e27a298..c27239a89 100644 --- a/driver

Re: [PATCH] blk-mq: introduce REQ_COMPLETE_WQ and add a workqueue to complete the request

On Wed, Jan 20, 2021 at 10:15:22AM +0800, Liu Xiang wrote: > The commit "40d09b53bfc557af7481b9d80f060a7ac9c7d314" has solved the > irqsoff problem by completing the request in softirq. But it may cause > the system to suffer bad preemptoff time. > Introduce the RE

[PATCH] blk-mq: introduce REQ_COMPLETE_WQ and add a workqueue to complete the request

ted in the blk_complete workqueue. It can be used for requests that want to cut down both irqsoff and preemptoff time. Signed-off-by: Liu Xiang --- block/blk-mq.c| 46 +++ include/linux/blk_types.h | 4 include/linux/blkdev.h| 5 + 3 fil

[PATCH] pinctrl: sunxi: fix use-after-free in sunxi_pmx_free()

-off-by: Liu Xiang --- drivers/pinctrl/sunxi/pinctrl-sunxi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c index dc8d39ae0..d1a8974eb 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c +++ b

[PATCH v2] mm: hugetlb: fix type of delta parameter and related local variables in gather_surplus_pages()

: Liu Xiang Signed-off-by: Pan Jiagen --- Changes in v2: as suggested by Mike, apply the same fix to the related local variables in gather_surplus_pages(). --- --- mm/hugetlb.c | 7 --- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 37f15c3

回复：[PATCH] mm: hugetlb: fix type of delta parameter in gather_surplus_pages()

Thanks for your advice. I will send a v2 patch. -- 发件人：Mike Kravetz 发送时间：2020年11月19日(星期四) 02:44 收件人：liu xiang ; linux-mm 抄　送：akpm ; linux-kernel ; liuxiang_1999 ; pan jiagen 主　题：Re: [PATCH] mm: hugetlb: fix type of delta

[PATCH] mm: hugetlb: fix type of delta parameter in gather_surplus_pages()

On 64-bit machine, delta variable in hugetlb_acct_memory() may be larger than 0x, but gather_surplus_pages() can only use the low 32-bit value now. Reported-by: Ma Chenggong Signed-off-by: Liu Xiang Signed-off-by: Pan Jiagen --- mm/hugetlb.c | 2 +- 1 file changed, 1 insertion(+), 1

[PATCH] tty: serial: linflexuart: Remove unnecessary '|' operation and add error count

The '|' operation of status in linflex_rxint is unnecessary, so it can be removed. Signed-off-by: Liu Xiang --- drivers/tty/serial/fsl_linflexuart.c | 19 +-- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/drivers/tty/serial/fsl_linflexuart.c b/d

[PATCH] net: fec: disable correct clk in the err path of fec_enet_clk_enable

When enable clk_ref failed, clk_ptp should be disabled rather than clk_ref itself. Signed-off-by: Liu Xiang --- drivers/net/ethernet/freescale/fec_main.c | 8 ++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet

[PATCH] mm: gup: fix comment of __get_user_pages()

Because nr_pages is unsigned long, it can not be negative. Signed-off-by: Liu Xiang --- mm/gup.c | 8 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/mm/gup.c b/mm/gup.c index 8f236a3..0236954 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -735,10 +735,10 @@ static int

[PATCH] mm: vmalloc: remove unnecessary highmem_mask from parameter of gfpflags_allow_blocking()

gfpflags_allow_blocking() does not care about __GFP_HIGHMEM, so highmem_mask can be removed. Signed-off-by: Liu Xiang --- mm/vmalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 7ba11e1..143c636 100644 --- a/mm/vmalloc.c +++ b/mm

[PATCH v4] mtd: spi-nor: fix nor->addr_width when its value configured from SFDP does not match the actual width

IS25LP256 gets BFPT_DWORD1_ADDRESS_BYTES_3_ONLY from BFPT table for address width. But in actual fact the flash can support 4-byte address. Use a post bfpt fixup hook to overwrite the address width advertised by the BFPT. Suggested-by: Tudor Ambarus Signed-off-by: Liu Xiang --- Changes in v4

Re:Re: [PATCH v3] mtd: spi-nor: fix nor->addr_width when its value configured from SFDP does not match the actual width

Hi, ta Thanks for your advice! I will send the update patch in soon. At 2019-06-22 19:49:25, tudor.amba...@microchip.com wrote: >Hi, Liu, > >On 03/31/2019 10:42 AM, Liu Xiang wrote: > >> Some is25lp256 get BFPT_DWORD1_ADDRESS_BYTES_3_ONLY from BFPT table for >> addr

[PATCH v2] fs: buffer: fix fully_mapped reset in block_read_full_page()

Because get_block() might set the buffer mapped, fully_mapped reset should be done according to the result of buffer_mapped(bh) which check the buffer mapped attribute again after get_block(). Signed-off-by: Liu Xiang --- Changes in v2: change comment fs/buffer.c | 2 +- 1 file changed, 1

[PATCH v2] ext4: fix prefetchw of NULL page

rrent page. So prefetchw() should be called while the page pointer has just been updated. Signed-off-by: Liu Xiang --- Changes in v2: remove prefetchw() when pages is NULL and change comment fs/ext4/readpage.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/ext4/readpa

[PATCH] slub: update the comment about slab frozen

Now frozen slab can only be on the per cpu partial list. Signed-off-by: Liu Xiang --- mm/slub.c | 9 + 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index dc6..9e2f220 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -58,10 +58,11 @@ * D. page

Re:Re: [PATCH v2] mtd: spi-nor: Return error when nor->addr_width does not match the device size

Hi, Vignesh At 2019-03-19 13:22:15, "Vignesh Raghavendra" wrote: >Hi, > >On 13/03/19 7:15 PM, Liu Xiang wrote: >> In some is25lp256, the DWORD1 of JEDEC Basic Flash Parameter Header >> is 0xfff920e5. So the DWORD1[18:17] Address Bytes bits are 0b00, >&

Re:Re: [PATCH v2] mtd: spi-nor: Return error when nor->addr_width does not match the device size

Hi, Vignesh Thanks for your suggestion. I will send a new patch. At 2019-03-19 13:22:15, "Vignesh Raghavendra" wrote: >Hi, > >On 13/03/19 7:15 PM, Liu Xiang wrote: >> In some is25lp256, the DWORD1 of JEDEC Basic Flash Parameter Header >> is 0xfff920e5. So

[PATCH v2] mtd: spi-nor: Return error when nor->addr_width does not match the device size

hen nor->addr_width does not match the device size in spi_nor_parse_bfpt(). Then it can go back to use spi_nor_ids[] for setting the right addr_width. Suggested-by: Boris Brezillon Signed-off-by: Liu Xiang --- drivers/mtd/spi-nor/spi-nor.c | 8 1 file changed, 8 insertions(+) diff -

Re:Re:Re: [PATCH] mtd: spi-nor: Return error when nor->addr_width not match the device size

the spi_nor_ids[] is right, it can work well. I will send a v2 patch. At 2018-11-16 21:24:10, "Liu Xiang" wrote: > >Hi Tudor, Boris, Cyrille, >There is no JEDEC BFPT tables in the datasheet. >In my test platform, I sent RDSFDP command to the flash and got the >parameters

Re:Re: [PATCH] irqchip/gic: fix passing wrong start irq number to irq_alloc_descs() for secondary GICs

Hi, Marc Thanks for your reply！ At 2019-03-11 23:55:11, "Marc Zyngier" wrote: >On 11/03/2019 14:52, Liu Xiang wrote: >> For secondary GICs, the start irq number should skip over SGIs >> and PPIs. Its value should be 32. So we should pass hwirq_base to >>

[PATCH] irqchip/gic: fix passing wrong start irq number to irq_alloc_descs() for secondary GICs

For secondary GICs, the start irq number should skip over SGIs and PPIs. Its value should be 32. So we should pass hwirq_base to irq_alloc_descs() rather than a constant number 16. Signed-off-by: Liu Xiang --- drivers/irqchip/irq-gic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion

[PATCH] ext4: do prefetchw while the page pointer has been updated

When pages is not NULL, prefetchw(&page->flags) always works on the last consumed page. This might do little improvment for handling current page. It is better to do prefetchw while the page pointer has just been updated. Signed-off-by: Liu Xiang --- fs/ext4/readpage.c | 7 +--

[PATCH] ext2: Fix a typo in comment

Fix a typo in ext2_get_blocks comment. Signed-off-by: Liu Xiang --- fs/ext2/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index e4bb938..11da3fb 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -717,7 +717,7 @@ static int

[PATCH] fs: Reset fully_mapped more accurately

Because get_block() might set the buffer mapped, reset fully_mapped after it is more accurately. Signed-off-by: Liu Xiang --- fs/buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/buffer.c b/fs/buffer.c index 52d024b..b2e9167 100644 --- a/fs/buffer.c +++ b/fs

[PATCH] ext2: Remove redundant check for finding no group

When best_desc keeps NULL, best_group keeps -1, too. So we can return best_group directly. Signed-off-by: Liu Xiang --- fs/ext2/ialloc.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c index 5c3d7b7..a0c5ea9 100644 --- a/fs/ext2/ialloc.c +++ b/fs/ext2

[PATCH] ext2: Remove useless reset code

If ((char *)de == dir_end) is true, the name_len will not be used in the subsequent routine. So the reset code can be removed. Signed-off-by: Liu Xiang --- fs/ext2/dir.c | 1 - 1 file changed, 1 deletion(-) diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c index 3b8114d..5ec497f 100644 --- a/fs/ext2

[PATCH] mm/filemap.c: Simplify the calculation of ra->prev_pos

The calculation of ra->prev_pos can be simplified. Signed-off-by: Liu Xiang --- mm/filemap.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index 9f5e323..7f30844 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2279,9 +2279,7 @@ sta

[PATCH] ext2: Remove redundant check on s_inode_size

The case of (EXT2_INODE_SIZE(sb) == 0) is included in (sbi->s_inode_size < EXT2_GOOD_OLD_INODE_SIZE). So there is no need to check again. Signed-off-by: Liu Xiang --- fs/ext2/super.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 73b2d52..c

[PATCH] openrisc: Add spaces around & operator

Add spaces around '&' to follow kernel coding style. Signed-off-by: Liu Xiang --- arch/openrisc/include/asm/fixmap.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/openrisc/include/asm/fixmap.h b/arch/openrisc/include/asm/fixmap.h index 5a01595..75c7a7

[PATCH] asm-generic: Add spaces around & operator

Add spaces around '&' to follow kernel coding style. Signed-off-by: Liu Xiang --- include/asm-generic/fixmap.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/asm-generic/fixmap.h b/include/asm-generic/fixmap.h index 827e4d3..d6e8da3 100644 --- a/inclu

[PATCH] arm64: mm: Add spaces around + operator

Add spaces around '+' to follow kernel coding style. Signed-off-by: Liu Xiang --- arch/arm64/mm/mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index d1d6601..1dbd7be 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm6

Re:Re: [PATCH] mtd: spi-nor: Return error when nor->addr_width not match the device size

te: > >> Hi, Liu, Boris, Cyrille, >> >> On 11/14/2018 03:51 PM, Boris Brezillon wrote: >> > On Wed, 14 Nov 2018 20:56:05 +0800 >> > Liu Xiang wrote: >> > >> >> In is25lp256, the DWORD1 of JEDEC Basic Flash Parameter Header >> >>

Re:Re: [PATCH] mtd: spi-nor: Return error when nor->addr_width not match the device size

r to add this check until I get the right answer from ISSI? At 2018-11-14 21:51:29, "Boris Brezillon" wrote: >On Wed, 14 Nov 2018 20:56:05 +0800 >Liu Xiang wrote: > >> In is25lp256, the DWORD1 of JEDEC Basic Flash Parameter Header >> is 0xfff920e5. So the DW

[PATCH] mtd: spi-nor: Add 4B_OPCODES flag to is25lp256

The is25lp256 supports 4-byte opcodes and quad output. Suggested-by: Boris Brezillon Signed-off-by: Liu Xiang --- drivers/mtd/spi-nor/spi-nor.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 3e54e31

[PATCH] mtd: spi-nor: Return error when nor->addr_width not match the device size

nor->addr_width not match the device size in spi_nor_parse_sfdp(). Suggested-by: Boris Brezillon Signed-off-by: Liu Xiang --- drivers/mtd/spi-nor/spi-nor.c | 4 1 file changed, 4 insertions(+) diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 3eba13a..7

[PATCH v3] mtd: spi-nor: fsl-quadspi: fix read error for flash size larger than 16MB

c: Signed-off-by: Liu Xiang --- Changes in v3: move changelog position. drivers/mtd/spi-nor/fsl-quadspi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mtd/spi-nor/fsl-quadspi.c b/drivers/mtd/spi-nor/fsl-quadspi.c index 7d9620c..64304a3 100644 --- a/drivers/mtd/spi-nor/fsl-quads

Re:Re: [PATCH v2] mtd: spi-nor: fsl-quadspi: fix read error for flash size larger than 16MB

Thanks for your suggestion. Should I send another patch? At 2018-08-28 21:23:05, "Boris Brezillon" wrote: >On Tue, 28 Aug 2018 21:21:16 +0800 >Liu Xiang wrote: > >> If the size of spi-nor flash is larger than 16MB, the read_opcode >> is set

[PATCH v2] mtd: spi-nor: fsl-quadspi: fix read error for flash size larger than 16MB

: e46ecda764dc ("mtd: spi-nor: Add Freescale QuadSPI driver") Cc: Signed-off-by: Liu Xiang --- drivers/mtd/spi-nor/fsl-quadspi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mtd/spi-nor/fsl-quadspi.c b/drivers/mtd/spi-nor/fsl-quadspi.c index 7d9620c..64304a3 100644 --- a/drivers/m

[PATCH] mtd: spi-nor: Add 4-byte address support for is25lp256

the address above 16MB. I think the size of flash is the most important judgement for nor->addr_width. Once the size is larger than 16MB, nor->addr_width must be 4. This can avoid the bad situation that manufacturer sets incorrect value of register. Signed-off-by: Liu Xiang --- drivers/mtd/sp

[PATCH] mtd: spi-nor: Add 4-byte address support for is25lp256

the address above 16MB. I think the size of flash is the most important judgement for nor->addr_width. Once the size is larger than 16MB, nor->addr_width must be 4. This can avoid the bad situation that manufacturer sets incorrect value of register. Signed-off-by: Liu Xiang --- drivers/mtd/sp

[PATCH] mtd: spi-nor: fsl-quadspi: fix read error for flash size larger than 16MB

If the size of spi-nor flash is larger than 16MB, the read_opcode is set to SPINOR_OP_READ_1_1_4_4B, and fsl_qspi_get_seqid() will return -EINVAL when cmd is SPINOR_OP_READ_1_1_4_4B. This can cause read operation fail. Signed-off-by: Liu Xiang --- drivers/mtd/spi-nor/fsl-quadspi.c | 1 + 1 file

[PATCH] power: supply: bq27xxx: Add support for BQ27411

According to the datasheet, bq27411 is similar to bq27421. Signed-off-by: Liu Xiang --- Documentation/devicetree/bindings/power/supply/bq27xxx.txt | 1 + drivers/power/supply/bq27xxx_battery.c | 9 + drivers/power/supply/bq27xxx_battery_i2c.c | 2

[PATCH] power: supply: bq27xxx: Update comments

The URL of bq27441-g1 and bq27426 are missing and bq27520-g4 is duplicated. Signed-off-by: Liu Xiang --- drivers/power/supply/bq27xxx_battery.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c

[PATCH] of: irq: Add a helper function for irq_of_parse_and_map

Implement a resource managed irq_of_parse_and_map function. Signed-off-by: Liu Xiang --- drivers/of/irq.c | 38 ++ include/linux/of_irq.h | 7 +++ 2 files changed, 45 insertions(+) diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 02ad93a

[PATCH v3] net: davicom: dm9000: Avoid spinlock recursion during dm9000_timeout routine

completed. --- Signed-off-by: Liu Xiang --- drivers/net/ethernet/davicom/dm9000.c | 39 +-- 1 file changed, 28 insertions(+), 11 deletions(-) diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c index 50222b7..56df77d 100644 --- a

[PATCH] power: supply: bq27xxx: Update comments

The URL of bq27441-g1 is missing and bq27520-g4 is duplicated. Signed-off-by: Liu Xiang --- drivers/power/supply/bq27xxx_battery.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index

[PATCH] power: supply: bq27xxx: Add bq27411 support

According to the datasheet, bq27411 is similar to bq27421. Signed-off-by: Liu Xiang --- drivers/power/supply/bq27xxx_battery.c | 14 ++ include/linux/power/bq27xxx_battery.h | 3 ++- 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/power/supply

[PATCH v2] net: davicom: dm9000: Avoid spinlock recursion during dm9000_timeout routine

. --- v2: dm9000_phy_write_reg is extracted from dm9000_phy_write, with no lock, do the real phy operation. --- Signed-off-by: Liu Xiang --- drivers/net/ethernet/davicom/dm9000.c | 37 +-- 1 file changed, 22 insertions(+), 15 deletions(-) diff --git a/drivers/net

[PATCH] net: davicom: dm9000: Avoid spinlock recursion during dm9000_timeout routine

. Signed-off-by: Liu Xiang --- drivers/net/ethernet/davicom/dm9000.c | 18 +++--- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c index 008dc81..afe33de 100644 --- a/drivers/net/ethernet

[PATCH] power: max17040: Change register transaction length from 8 bits to 16 bits

According to the datasheet, MAX17040 has six 16-bit registers. Register reads and writes are only valid if all 16 bits are transferred. Any write command that is terminated early is ignored. So it's better to change register transacton length from 8 bits to 16 bits. Signed-off-by: Liu

[PATCH] serial: max310x: Set IRQF_TRIGGER_FALLING flag when dev.of_node is not NULL

When dev.of_node is not NULL, we also need to set IRQF_TRIGGER_FALLING flag, otherwise it may cause uncertain interrupts. Signed-off-by: Liu Xiang --- drivers/tty/serial/max310x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/max310x.c b/drivers/tty

[PATCH v2] usb: musb: host: Fix NULL pointer dereference in SMP environment

h in musb_h_disable should be checked.If the qh is emtpy, then recycle it and go to exit directly. --- v2: - Modify the urb empty condition --- Signed-off-by: Liu Xiang --- drivers/usb/musb/musb_host.c | 7 ++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/usb/musb/mu

[PATCH] usb: musb: host: Fix NULL pointer dereference in SMP environment

o the qh in musb_h_disable should be checked.If the qh is emtpy, then recycle it and go to exit directly. Signed-off-by: Liu Xiang --- drivers/usb/musb/musb_host.c | 7 ++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb