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| author | Frank Li <Frank.Li@nxp.com> | 2023-08-21 12:16:10 -0400 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2023-08-22 20:11:02 +0530 |
| commit | 79434f9b97361601e65e0f5576e9760fefebf19a (patch) | |
| tree | acca8ff7b429d777ab2e434f40b6750e78d17891 /drivers/dma/fsl-edma-common.c | |
| parent | c26e611433aaa064691343c0168f4671eb5cfa42 (diff) | |
| download | linux-79434f9b97361601e65e0f5576e9760fefebf19a.tar.gz linux-79434f9b97361601e65e0f5576e9760fefebf19a.tar.bz2 linux-79434f9b97361601e65e0f5576e9760fefebf19a.zip | |
dmaengine: fsl-edma: move common IRQ handler to common.c
Move the common part of IRQ handler from fsl-edma-main.c and
mcf-edma-main.c to fsl-edma-common.c. This eliminates redundant code, as
the both files contains mostly identical code.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20230821161617.2142561-6-Frank.Li@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/fsl-edma-common.c')
| -rw-r--r-- | drivers/dma/fsl-edma-common.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c index 5800747b8fb3..2b91863502d4 100644 --- a/drivers/dma/fsl-edma-common.c +++ b/drivers/dma/fsl-edma-common.c @@ -42,6 +42,32 @@ #define EDMA_TCD 0x1000 +void fsl_edma_tx_chan_handler(struct fsl_edma_chan *fsl_chan) +{ + spin_lock(&fsl_chan->vchan.lock); + + if (!fsl_chan->edesc) { + /* terminate_all called before */ + spin_unlock(&fsl_chan->vchan.lock); + return; + } + + if (!fsl_chan->edesc->iscyclic) { + list_del(&fsl_chan->edesc->vdesc.node); + vchan_cookie_complete(&fsl_chan->edesc->vdesc); + fsl_chan->edesc = NULL; + fsl_chan->status = DMA_COMPLETE; + fsl_chan->idle = true; + } else { + vchan_cyclic_callback(&fsl_chan->edesc->vdesc); + } + + if (!fsl_chan->edesc) + fsl_edma_xfer_desc(fsl_chan); + + spin_unlock(&fsl_chan->vchan.lock); +} + static void fsl_edma_enable_request(struct fsl_edma_chan *fsl_chan) { struct edma_regs *regs = &fsl_chan->edma->regs; |