diff options
| author | Pierre-Yves MORDRET <pierre-yves.mordret@st.com> | 2020-01-27 09:53:33 +0100 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-02-24 22:20:01 +0530 |
| commit | 542fbc463aabdd93c2d3db7f604903f357a0ebf8 (patch) | |
| tree | c00350d44711153182d9b302637891c37f99ceb0 /drivers/dma | |
| parent | 56cf8ddaa3115db5543d2a49b669bf4010eaff19 (diff) | |
dmaengine: stm32-mdma: enable descriptor_reuse
Enable descriptor reuse to allow client to resubmit already processed
descriptors in order to save descriptor creation time.
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Link: https://lore.kernel.org/r/20200127085334.13163-6-amelie.delaunay@st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/stm32-mdma.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c index 2dbd1f38a6f5..f2043f47ae9e 100644 --- a/drivers/dma/stm32-mdma.c +++ b/drivers/dma/stm32-mdma.c @@ -1618,6 +1618,8 @@ static int stm32_mdma_probe(struct platform_device *pdev) dd->device_resume = stm32_mdma_resume; dd->device_terminate_all = stm32_mdma_terminate_all; dd->device_synchronize = stm32_mdma_synchronize; + dd->descriptor_reuse = true; + dd->src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | BIT(DMA_SLAVE_BUSWIDTH_4_BYTES) | |