diff options
| author | Frank Li <Frank.Li@nxp.com> | 2026-05-21 11:32:50 -0400 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2026-06-30 16:47:24 +0530 |
| commit | bfb66d8098dbbaaada3ab877eda21cd447115c95 (patch) | |
| tree | e1834980e99241ff5a11f50551cb2a9f15153421 /drivers | |
| parent | 9605825841061bbdd2fc2a0218098373c539173e (diff) | |
| download | linux-next-bfb66d8098dbbaaada3ab877eda21cd447115c95.tar.gz linux-next-bfb66d8098dbbaaada3ab877eda21cd447115c95.zip | |
dmaengine: dw-edma: Use new .device_prep_config_sg() callback
Use the new .device_prep_config_sg() callback to combine configuration and
descriptor preparation.
No functional changes.
Tested-by: Niklas Cassel <cassel@kernel.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260521-dma_prep_config-v7-4-1f73f4899883@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dma/dw-edma/dw-edma-core.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c index 89a4c498a17b..8c192d63113c 100644 --- a/drivers/dma/dw-edma/dw-edma-core.c +++ b/drivers/dma/dw-edma/dw-edma-core.c @@ -577,10 +577,11 @@ err_alloc: } static struct dma_async_tx_descriptor * -dw_edma_device_prep_slave_sg(struct dma_chan *dchan, struct scatterlist *sgl, - unsigned int len, - enum dma_transfer_direction direction, - unsigned long flags, void *context) +dw_edma_device_prep_config_sg(struct dma_chan *dchan, struct scatterlist *sgl, + unsigned int len, + enum dma_transfer_direction direction, + unsigned long flags, + struct dma_slave_config *config) { struct dw_edma_transfer xfer; @@ -591,6 +592,9 @@ dw_edma_device_prep_slave_sg(struct dma_chan *dchan, struct scatterlist *sgl, xfer.flags = flags; xfer.type = EDMA_XFER_SCATTER_GATHER; + if (config && dw_edma_device_config(dchan, config)) + return NULL; + return dw_edma_device_transfer(&xfer); } @@ -970,7 +974,7 @@ static int dw_edma_channel_setup(struct dw_edma *dw, u32 wr_alloc, u32 rd_alloc) dma->device_terminate_all = dw_edma_device_terminate_all; dma->device_issue_pending = dw_edma_device_issue_pending; dma->device_tx_status = dw_edma_device_tx_status; - dma->device_prep_slave_sg = dw_edma_device_prep_slave_sg; + dma->device_prep_config_sg = dw_edma_device_prep_config_sg; dma->device_prep_dma_cyclic = dw_edma_device_prep_dma_cyclic; dma->device_prep_interleaved_dma = dw_edma_device_prep_interleaved_dma; |