diff options
| author | Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com> | 2019-10-22 22:30:21 +0530 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2019-11-06 22:38:01 +0530 |
| commit | c2f6b67db2bd2c333ccd30099c9bde197fa3943d (patch) | |
| tree | e2fdcb3b4ba20b35d5dfc70e803dd67916850ad6 /drivers/dma/xilinx | |
| parent | bcb2dc7b6c1ed0d13f640f4a0ea713088f188b19 (diff) | |
| download | lwn-c2f6b67db2bd2c333ccd30099c9bde197fa3943d.tar.gz lwn-c2f6b67db2bd2c333ccd30099c9bde197fa3943d.zip | |
dmaengine: xilinx_dma: Extend dma_config struct to store irq routine handle
Extend dma_config structure to store irq routine handle. It enables runtime
handler selection based on xdma_ip_type and serves as preparatory patch for
adding MCDMA IP support.
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Suggested-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/1571763622-29281-6-git-send-email-radhey.shyam.pandey@xilinx.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/xilinx')
| -rw-r--r-- | drivers/dma/xilinx/xilinx_dma.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index 6d4586550f56..25042a9fd11e 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -391,6 +391,7 @@ struct xilinx_dma_config { int (*clk_init)(struct platform_device *pdev, struct clk **axi_clk, struct clk **tx_clk, struct clk **txs_clk, struct clk **rx_clk, struct clk **rxs_clk); + irqreturn_t (*irq_handler)(int irq, void *data); }; /** @@ -2402,8 +2403,8 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev, /* Request the interrupt */ chan->irq = irq_of_parse_and_map(node, 0); - err = request_irq(chan->irq, xilinx_dma_irq_handler, IRQF_SHARED, - "xilinx-dma-controller", chan); + err = request_irq(chan->irq, xdev->dma_config->irq_handler, + IRQF_SHARED, "xilinx-dma-controller", chan); if (err) { dev_err(xdev->dev, "unable to request IRQ %d\n", chan->irq); return err; @@ -2497,16 +2498,19 @@ static struct dma_chan *of_dma_xilinx_xlate(struct of_phandle_args *dma_spec, static const struct xilinx_dma_config axidma_config = { .dmatype = XDMA_TYPE_AXIDMA, .clk_init = axidma_clk_init, + .irq_handler = xilinx_dma_irq_handler, }; static const struct xilinx_dma_config axicdma_config = { .dmatype = XDMA_TYPE_CDMA, .clk_init = axicdma_clk_init, + .irq_handler = xilinx_dma_irq_handler, }; static const struct xilinx_dma_config axivdma_config = { .dmatype = XDMA_TYPE_VDMA, .clk_init = axivdma_clk_init, + .irq_handler = xilinx_dma_irq_handler, }; static const struct of_device_id xilinx_dma_of_ids[] = { |