diff options
| author | Alexandre Bounine <alexandre.bounine@idt.com> | 2012-03-08 16:11:18 -0500 |
|---|---|---|
| committer | Rohan Somvanshi <rsomvanshi@nvidia.com> | 2012-04-05 09:11:37 -0700 |
| commit | a9eb124efa19b973d4672a1ee00fa991e1a021f2 (patch) | |
| tree | 51ae1072d644508273f4c4bcd2adb859fd9677a1 /include | |
| parent | 49c03694021f73a9508fb8c2923a0f33effe8e94 (diff) | |
dmaengine/dma_slave: introduce inline wrappers
Add inline wrappers for device_prep_slave_sg() and device_prep_dma_cyclic()
interfaces to hide new parameter from current users of affected interfaces.
Convert current users to use new wrappers instead of direct calls.
Suggested by Russell King [https://lkml.org/lkml/2012/2/3/269].
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
cherry-picked from mainline commit
16052827d98fbc13c31ebad560af4bd53e2b4dd5
Change-Id: I929a49556539621a0546829e88b3caa498c94be2
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: http://git-master/r/94463
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/dmaengine.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index c203fc8bac8c..0d41e4481881 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -542,6 +542,22 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_slave_single( return chan->device->device_prep_slave_sg(chan, &sg, 1, dir, flags); } +static inline struct dma_async_tx_descriptor *dmaengine_prep_slave_sg( + struct dma_chan *chan, struct scatterlist *sgl, unsigned int sg_len, + enum dma_transfer_direction dir, unsigned long flags) +{ + return chan->device->device_prep_slave_sg(chan, sgl, sg_len, + dir, flags); +} + +static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_cyclic( + struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, + size_t period_len, enum dma_transfer_direction dir) +{ + return chan->device->device_prep_dma_cyclic(chan, buf_addr, buf_len, + period_len, dir); +} + static inline int dmaengine_terminate_all(struct dma_chan *chan) { return dmaengine_device_control(chan, DMA_TERMINATE_ALL, 0); |