[PATCH] dma: mmp_pdma: add IRQF_SHARED when request irq
Chao Xie
chao.xie at marvell.com
Sun Jan 26 20:44:07 EST 2014
From: Chao Xie <chao.xie at marvell.com>
For some SOCes use mmp_pdma, they have several dma controllers
sharing same irq.
So add IRQF_SHARED to flag when request irq. It can make multiple
controllers share the same irq.
Signed-off-by: Chao Xie <chao.xie at marvell.com>
---
drivers/dma/mmp_pdma.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
index 32e58ee..b86415b 100644
--- a/drivers/dma/mmp_pdma.c
+++ b/drivers/dma/mmp_pdma.c
@@ -866,8 +866,8 @@ static int mmp_pdma_chan_init(struct mmp_pdma_device *pdev, int idx, int irq)
phy->base = pdev->base;
if (irq) {
- ret = devm_request_irq(pdev->dev, irq, mmp_pdma_chan_handler, 0,
- "pdma", phy);
+ ret = devm_request_irq(pdev->dev, irq, mmp_pdma_chan_handler,
+ IRQF_SHARED, "pdma", phy);
if (ret) {
dev_err(pdev->dev, "channel request irq fail!\n");
return ret;
@@ -964,8 +964,8 @@ static int mmp_pdma_probe(struct platform_device *op)
if (irq_num != dma_channels) {
/* all chan share one irq, demux inside */
irq = platform_get_irq(op, 0);
- ret = devm_request_irq(pdev->dev, irq, mmp_pdma_int_handler, 0,
- "pdma", pdev);
+ ret = devm_request_irq(pdev->dev, irq, mmp_pdma_int_handler,
+ IRQF_SHARED, "pdma", pdev);
if (ret)
return ret;
}
--
1.8.3.2
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