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 /drivers/dma/nbpfaxi.c | |
| 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 'drivers/dma/nbpfaxi.c')
| -rw-r--r-- | drivers/dma/nbpfaxi.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c index 3f45b9bdf201..d3f918a9ee76 100644 --- a/drivers/dma/nbpfaxi.c +++ b/drivers/dma/nbpfaxi.c @@ -1005,21 +1005,6 @@ static struct dma_async_tx_descriptor *nbpf_prep_memcpy( DMA_MEM_TO_MEM, flags); } -static struct dma_async_tx_descriptor *nbpf_prep_memcpy_sg( - struct dma_chan *dchan, - struct scatterlist *dst_sg, unsigned int dst_nents, - struct scatterlist *src_sg, unsigned int src_nents, - unsigned long flags) -{ - struct nbpf_channel *chan = nbpf_to_chan(dchan); - - if (dst_nents != src_nents) - return NULL; - - return nbpf_prep_sg(chan, src_sg, dst_sg, src_nents, - DMA_MEM_TO_MEM, flags); -} - static struct dma_async_tx_descriptor *nbpf_prep_slave_sg( struct dma_chan *dchan, struct scatterlist *sgl, unsigned int sg_len, enum dma_transfer_direction direction, unsigned long flags, void *context) @@ -1417,13 +1402,11 @@ static int nbpf_probe(struct platform_device *pdev) dma_cap_set(DMA_MEMCPY, dma_dev->cap_mask); dma_cap_set(DMA_SLAVE, dma_dev->cap_mask); dma_cap_set(DMA_PRIVATE, dma_dev->cap_mask); - dma_cap_set(DMA_SG, dma_dev->cap_mask); /* Common and MEMCPY operations */ dma_dev->device_alloc_chan_resources = nbpf_alloc_chan_resources; dma_dev->device_free_chan_resources = nbpf_free_chan_resources; - dma_dev->device_prep_dma_sg = nbpf_prep_memcpy_sg; dma_dev->device_prep_dma_memcpy = nbpf_prep_memcpy; dma_dev->device_tx_status = nbpf_tx_status; dma_dev->device_issue_pending = nbpf_issue_pending; |