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dmaengine: dw-edma: Use new .device_prep_config_sg() callback

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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>
This commit is contained in:
Frank Li
2026-05-21 11:32:50 -04:00
committed by Vinod Koul
parent 9605825841
commit bfb66d8098
1 changed files with 9 additions and 5 deletions
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14
drivers/dma/dw-edma/dw-edma-core.c
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@@ -577,10 +577,11 @@ dw_edma_device_transfer(struct dw_edma_transfer *xfer)
}
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;