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| author | Shengjiu Wang <shengjiu.wang@nxp.com> | 2024-03-29 17:34:42 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2024-04-07 14:19:25 +0300 |
| commit | 288109387becd8abadca5c063c70a07ae0dd7716 (patch) | |
| tree | 8dea706f4bb9961df28af21dca239f9f3280ad77 /drivers/dma | |
| parent | 802ef223101fec83d92e045f89000b228904a580 (diff) | |
| download | linux-288109387becd8abadca5c063c70a07ae0dd7716.tar.xz | |
dmaengine: imx-sdma: Support 24bit/3bytes for sg mode
Update 3bytes buswidth that is supported by sdma.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>
Signed-off-by: Srikanth Krishnakar <Srikanth_Krishnakar@mentor.com>
Acked-by: Robin Gong <yibin.gong@nxp.com>
Reviewed-by: Joy Zou <joy.zou@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20240329-sdma_upstream-v4-2-daeb3067dea7@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/imx-sdma.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 4f1a9d1b152d..6be4c1e44126 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -176,6 +176,7 @@ #define SDMA_DMA_BUSWIDTHS (BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \ BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | \ + BIT(DMA_SLAVE_BUSWIDTH_3_BYTES) | \ BIT(DMA_SLAVE_BUSWIDTH_4_BYTES)) #define SDMA_DMA_DIRECTIONS (BIT(DMA_DEV_TO_MEM) | \ @@ -1658,6 +1659,9 @@ static struct dma_async_tx_descriptor *sdma_prep_slave_sg( if (count & 3 || sg->dma_address & 3) goto err_bd_out; break; + case DMA_SLAVE_BUSWIDTH_3_BYTES: + bd->mode.command = 3; + break; case DMA_SLAVE_BUSWIDTH_2_BYTES: bd->mode.command = 2; if (count & 1 || sg->dma_address & 1) |