diff options
| author | Marek Vasut <marex@denx.de> | 2021-08-04 21:51:40 +0200 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2021-08-06 19:21:16 +0530 |
| commit | 4153a7f6440f46261a3004009eaa914914f08055 (patch) | |
| tree | fa38f2eb4e894b3348fbef9a4dbd90b50bc0bba3 /drivers/dma | |
| parent | d6ff82cc1bff97923dfa0640d27271bc220a5004 (diff) | |
| download | linux-4153a7f6440f46261a3004009eaa914914f08055.tar.gz linux-4153a7f6440f46261a3004009eaa914914f08055.tar.xz | |
dmaengine: xilinx: Add empty device_config function
Various DMA users call the dmaengine_slave_config() and expect it to
succeed, but that can only succeed if .device_config is implemented.
Add empty device_config function rather than patching all the places
which use dmaengine_slave_config().
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Kedareswara rao Appana <appana.durga.rao@xilinx.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210804195140.61396-1-marex@denx.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/xilinx/xilinx_dma.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index 213e1a7314b7..97cbde4e0a29 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -1658,6 +1658,17 @@ static void xilinx_dma_issue_pending(struct dma_chan *dchan) } /** + * xilinx_dma_device_config - Configure the DMA channel + * @dchan: DMA channel + * @config: channel configuration + */ +static int xilinx_dma_device_config(struct dma_chan *dchan, + struct dma_slave_config *config) +{ + return 0; +} + +/** * xilinx_dma_complete_descriptor - Mark the active descriptor as complete * @chan : xilinx DMA channel * @@ -3095,6 +3106,7 @@ static int xilinx_dma_probe(struct platform_device *pdev) xdev->common.device_synchronize = xilinx_dma_synchronize; xdev->common.device_tx_status = xilinx_dma_tx_status; xdev->common.device_issue_pending = xilinx_dma_issue_pending; + xdev->common.device_config = xilinx_dma_device_config; if (xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) { dma_cap_set(DMA_CYCLIC, xdev->common.cap_mask); xdev->common.device_prep_slave_sg = xilinx_dma_prep_slave_sg; |