linux-stable.git/drivers/dma/ioat, branch linux-4.3.y Linux kernel stable tree dmaengine: ioatdma: add Broadwell EP ioatdma PCI dev IDs 2015-08-28T04:36:06+00:00 Dave Jiang dave.jiang@intel.com 2015-08-26T21:16:27+00:00 ab98193dace971f4742eebb5103212e23bb392f5 Adding the Broadwell Xeon ioatdma PCI device IDs and related bits. This is still IOATDMA 3.2 based hw. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> 
Adding the Broadwell Xeon ioatdma PCI device IDs and
related bits. This is still IOATDMA 3.2 based hw.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
dmaengine: ioatdma: Fix variable array length 2015-08-26T02:23:58+00:00 Dave Jiang dave.jiang@intel.com 2015-08-25T19:58:11+00:00 7b7d0ca7778d359584859cb5e75965ad34f42533 Sparse reported: drivers/dma/ioat/prep.c:637:27: sparse: Variable length array is used. Assigning a static value for the array. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> 
Sparse reported:
drivers/dma/ioat/prep.c:637:27: sparse: Variable length array is used.

Assigning a static value for the array.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
dmaengine: ioatdma: fix sparse "error" with prep lock 2015-08-26T02:23:58+00:00 Dave Jiang dave.jiang@intel.com 2015-08-25T19:58:05+00:00 5c65cb93a3d066f52a109552572304675d5a52fc The prep lock gets acquired in ioat_check_space_lock and released in ioat_tx_submit_unlock. Setting the annotations so sparse does not freak out. drivers/dma/ioat/dma.c:273:30: sparse: context imbalance in 'ioat_tx_submit_unlock' - unexpected unlock drivers/dma/ioat/dma.c:476:5: sparse: context imbalance in 'ioat_check_space_lock' - wrong count at exit Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> 
The prep lock gets acquired in ioat_check_space_lock and released in
ioat_tx_submit_unlock. Setting the annotations so sparse does not freak out.

drivers/dma/ioat/dma.c:273:30: sparse: context imbalance in 'ioat_tx_submit_unlock' - unexpected unlock
drivers/dma/ioat/dma.c:476:5: sparse: context imbalance in 'ioat_check_space_lock' - wrong count at exit

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
dmaengine: ioatdma: fix coccinelle warning 2015-08-21T08:34:24+00:00 Dave Jiang dave.jiang@intel.com 2015-08-20T15:44:14+00:00 64f1d0ffbaaccf2ddaf02d3ebf67bf9044cb4db4 Simplifying the end return. This existed in the original code but was flagged when refactoring of the code made it appear it's new. coccinelle warnings: (new ones prefixed by >>) >> drivers/dma/ioat/init.c:1018:1-3: WARNING: end returns can be simpified Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> 
Simplifying the end return. This existed in the original code but was
flagged when refactoring of the code made it appear it's new.

coccinelle warnings: (new ones prefixed by >>)

>> drivers/dma/ioat/init.c:1018:1-3: WARNING: end returns can be simpified

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
dmaengine: ioatdma: Clean up IOAT_COMPLETION_PENDING flag 2015-08-17T08:07:31+00:00 Dave Jiang dave.jiang@intel.com 2015-08-11T15:49:11+00:00 09659a5978e16a7f3676fd6cb41e21daa77ce9a6 IOAT_COMPLETION_PENDING flag was deprecated for v2 and v3 drivers but was not cleaned up. Doing that now. The commit deprecated this flag was 4dec23d7 ioatdma: fix race between updating ioat->head and IOAT_COMPLETION_PENDING. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> 
IOAT_COMPLETION_PENDING flag was deprecated for v2 and v3 drivers but was
not cleaned up. Doing that now. The commit deprecated this flag was
4dec23d7 ioatdma: fix race between updating ioat->head and
IOAT_COMPLETION_PENDING.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
dmaengine: ioatdma: fixup kernel doc errors from dma.h 2015-08-17T08:07:31+00:00 Dave Jiang dave.jiang@intel.com 2015-08-11T15:49:05+00:00 c7b0e8d7b5d1523ca3a85d3d3d9d113bb19a5668 ./scripts/kerne-doc is reporting errors on dma.h. Clean up all reported errors. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Acked-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> 
./scripts/kerne-doc is reporting errors on dma.h. Clean up all reported
errors.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
dmanegine: ioatdma: remove function ptrs in ioatdma_device 2015-08-17T08:07:30+00:00 Dave Jiang dave.jiang@intel.com 2015-08-11T15:49:00+00:00 ef97bd0f59741ca1a555b69b8708f6601e35c3ed Since we are a "single" device driver now we no longer require the function pointers in ioatdma_device. Remove. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Acked-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> 
Since we are a "single" device driver now we no longer require the function
pointers in ioatdma_device. Remove.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
dmaengine: ioatdma: removal of dma_v3.c and relevant ioat3 references 2015-08-17T08:07:30+00:00 Dave Jiang dave.jiang@intel.com 2015-08-11T15:48:55+00:00 3372de5813e4da8305002ff6ffbfc0c7012cb319 Moving the relevant functions to their respective .c files and removal of dma_v3.c file. Also removed various ioat3 references when appropriate. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Acked-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> 
Moving the relevant functions to their respective .c files and removal of
dma_v3.c file. Also removed various ioat3 references when appropriate.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
dmaengine: ioatdma: move dma prep functions to single location 2015-08-17T08:07:30+00:00 Dave Jiang dave.jiang@intel.com 2015-08-11T15:48:49+00:00 599d49de7f69cb5a23e913db24e168ba2f09bd05 Move all DMA descriptor prepping functions to prep.c file. Fixup all broken bits caused by the move. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Acked-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> 
Move all DMA descriptor prepping functions to prep.c file. Fixup all
broken bits caused by the move.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
dmaengine: ioatdma: move all the init routines 2015-08-17T08:07:30+00:00 Dave Jiang dave.jiang@intel.com 2015-08-11T15:48:43+00:00 c0f28ce66ecfd9fa0ae662a2c7f3e68e537e77f4 Moving all the init routines to init.c and fixup anything broken during the move. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Acked-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> 
Moving all the init routines to init.c and fixup anything broken during
the move.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>