Commit Graph

8 Commits

Author SHA1 Message Date
Rameshwar Prasad Sahu cda8e93719 dmaengine: xgene-dma: Fix the resource map to handle overlapping
There is an overlap in dma ring cmd csr region due to sharing of ethernet
ring cmd csr region. This patch fix the resource overlapping by mapping
the entire dma ring cmd csr region.

Signed-off-by: Rameshwar Prasad Sahu <rsahu@apm.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2015-07-31 20:33:43 +05:30
Vinod Koul 657d61275d dmaengine: xgene: fix file permission
drivers/dma/xgene-dma.c has file permissions 775, which is wrong, it should
be 664, so fix it

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2015-06-25 09:22:32 +05:30
Rameshwar Prasad Sahu 6d0767c10f dmaengine: xgene-dma: Fix "incorrect type in assignement" warnings
This patch fixes sparse warnings like incorrect type in assignment
(different base types), cast to restricted __le64.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Rameshwar Prasad Sahu <rsahu@apm.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2015-06-02 19:04:10 +05:30
kbuild test robot 11ebe4c067 dmaengine: fix platform_no_drv_owner.cocci warnings
drivers/dma/xgene-dma.c:2079:3-8: No need to set .owner here. The core will do it.

 Remove .owner field if calls are used which set it automatically

Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci

CC: Rameshwar Prasad Sahu <rsahu@apm.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2015-04-17 23:43:18 +05:30
Dan Carpenter 9c361b1afd dmaengine: xgene: devm_ioremap() returns NULL on error
The code here is checking for IS_ERR() but devm_ioremap() returns NULL
on error and not an error pointer.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2015-04-17 23:34:51 +05:30
Dan Carpenter ed1f041842 dmaengine: xgene: buffer overflow in xgene_dma_init_channels()
We put 9 characters into the 8 character name[] array.  Let's make the
array bigger and change the sprintf() to snprintf().

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2015-04-17 23:34:51 +05:30
kbuild test robot a3f92e8ebe dmaengine: xgene_dma_init_ring_mngr() can be static
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2015-04-02 15:57:46 +05:30
Rameshwar Prasad Sahu 9f2fd0dfa5 dmaengine: Add support for APM X-Gene SoC DMA engine driver
This patch implements the APM X-Gene SoC DMA engine driver. The APM X-Gene
SoC DMA engine consists of 4 DMA channels for performing DMA operations.
These DMA operations include memory copy, scatter-gather memory copy,
raid5 xor, and raid6 p+q offloading.

Signed-off-by: Rameshwar Prasad Sahu <rsahu@apm.com>
Signed-off-by: Loc Ho <lho@apm.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2015-04-02 14:04:48 +05:30