diff options
| author | Frank Li <Frank.Li@nxp.com> | 2026-08-21 02:34:34 +0900 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2026-09-09 19:06:51 +0530 |
| commit | 9a8d4965cd9f4fe736cdf1f2c35f802ef36125f5 (patch) | |
| tree | 4946846bad13a29b2a959a075dbcabc1b1abc1b4 | |
| parent | db79c4e264ef03beb5bd74a506d414fe11384643 (diff) | |
| download | linux-next-9a8d4965cd9f4fe736cdf1f2c35f802ef36125f5.tar.gz linux-next-9a8d4965cd9f4fe736cdf1f2c35f802ef36125f5.zip | |
dmaengine: dw-edma: Move callback result helper before LL helpers
Move dw_hdma_set_callback_result() next to the descriptor helpers so
linked-list completion and reset code can use it without a forward
declaration.
No functional change.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Koichiro Den <den@valinux.co.jp>
Link: https://patch.msgid.link/20260820173439.2004068-6-den@valinux.co.jp
Signed-off-by: Vinod Koul <vkoul@kernel.org>
| -rw-r--r-- | drivers/dma/dw-edma/dw-edma-core.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c index 1af262b6e881..ab8e343f0196 100644 --- a/drivers/dma/dw-edma/dw-edma-core.c +++ b/drivers/dma/dw-edma/dw-edma-core.c @@ -73,6 +73,31 @@ static void vchan_free_desc(struct virt_dma_desc *vdesc) kfree(vd2dw_edma_desc(vdesc)); } +static void dw_hdma_set_callback_result(struct virt_dma_desc *vd, + enum dmaengine_tx_result result) +{ + u32 residue = 0; + struct dw_edma_desc *desc; + struct dmaengine_result *res; + + if (!vd->tx.callback_result) + return; + + desc = vd2dw_edma_desc(vd); + if (desc) { + residue = desc->alloc_sz; + + if (result == DMA_TRANS_NOERROR) + residue -= desc->burst[desc->start_burst - 1].xfer_sz; + else if (desc->done_burst) + residue -= desc->burst[desc->done_burst - 1].xfer_sz; + } + + res = &vd->tx_result; + res->result = result; + res->residue = residue; +} + static void dw_edma_core_reset_ll(struct dw_edma_chan *chan) { u32 i; @@ -660,31 +685,6 @@ dw_edma_device_prep_interleaved_dma(struct dma_chan *dchan, return dw_edma_device_transfer(&xfer, dw_edma_device_get_config(dchan, NULL)); } -static void dw_hdma_set_callback_result(struct virt_dma_desc *vd, - enum dmaengine_tx_result result) -{ - u32 residue = 0; - struct dw_edma_desc *desc; - struct dmaengine_result *res; - - if (!vd->tx.callback_result) - return; - - desc = vd2dw_edma_desc(vd); - if (desc) { - residue = desc->alloc_sz; - - if (result == DMA_TRANS_NOERROR) - residue -= desc->burst[desc->start_burst - 1].xfer_sz; - else if (desc->done_burst) - residue -= desc->burst[desc->done_burst - 1].xfer_sz; - } - - res = &vd->tx_result; - res->result = result; - res->residue = residue; -} - static void dw_edma_done_interrupt(struct dw_edma_chan *chan) { struct dw_edma_desc *desc; |