diff options
author | Dave Jiang <dave.jiang@intel.com> | 2017-08-21 20:23:13 +0300 |
---|---|---|
committer | Vinod Koul <vinod.koul@intel.com> | 2017-08-22 06:52:11 +0300 |
commit | c678fa66341c7b82a57cfed0ba3656162e970f99 (patch) | |
tree | 1573dfbd3e1afb9ea57a8231183f836e51e12c43 /include/linux/dmaengine.h | |
parent | 61b5f54d8c1fafb97dace958a54cdd72b37138c3 (diff) | |
download | linux-c678fa66341c7b82a57cfed0ba3656162e970f99.tar.xz |
dmaengine: remove DMA_SG as it is dead code in kernel
There are no in kernel consumers for DMA_SG op. Removing operation,
dead code, and test code in dmatest.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Gary Hook <gary.hook@amd.com>
Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
Cc: Kedareswara rao Appana <appana.durga.rao@xilinx.com>
Cc: Li Yang <leoyang.li@nxp.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'include/linux/dmaengine.h')
-rw-r--r-- | include/linux/dmaengine.h | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 533680860865..64fbd380c430 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -68,7 +68,6 @@ enum dma_transaction_type { DMA_MEMSET, DMA_MEMSET_SG, DMA_INTERRUPT, - DMA_SG, DMA_PRIVATE, DMA_ASYNC_TX, DMA_SLAVE, @@ -771,11 +770,6 @@ struct dma_device { unsigned int nents, int value, unsigned long flags); struct dma_async_tx_descriptor *(*device_prep_dma_interrupt)( struct dma_chan *chan, unsigned long flags); - struct dma_async_tx_descriptor *(*device_prep_dma_sg)( - struct dma_chan *chan, - struct scatterlist *dst_sg, unsigned int dst_nents, - struct scatterlist *src_sg, unsigned int src_nents, - unsigned long flags); struct dma_async_tx_descriptor *(*device_prep_slave_sg)( struct dma_chan *chan, struct scatterlist *sgl, @@ -905,19 +899,6 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_memcpy( len, flags); } -static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_sg( - struct dma_chan *chan, - struct scatterlist *dst_sg, unsigned int dst_nents, - struct scatterlist *src_sg, unsigned int src_nents, - unsigned long flags) -{ - if (!chan || !chan->device || !chan->device->device_prep_dma_sg) - return NULL; - - return chan->device->device_prep_dma_sg(chan, dst_sg, dst_nents, - src_sg, src_nents, flags); -} - /** * dmaengine_terminate_all() - Terminate all active DMA transfers * @chan: The channel for which to terminate the transfers |