commit f0b507774449ec35fbfd7173e5fc7dd4df71a81c
author Chao Xie <chao.xie@marvell.com> Mon Jan 27 09:44:07 2014 +0800
committer Vinod Koul <vinod.koul@intel.com> Thu Mar 06 14:47:47 2014 +0530
tree 5ffb9cada851902e1d06cfc517dfaf57d747929e
parent e3ddc979465118b7ba46fed7cd10f4421edc3049

dma: mmp_pdma: add IRQF_SHARED when request irq

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@marvell.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

drivers/dma/mmp_pdma.c

diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
index b439679..bf02e7b 100644
--- a/drivers/dma/mmp_pdma.c
+++ b/drivers/dma/mmp_pdma.c
@@ -867,8 +867,8 @@
 	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;
@@ -957,8 +957,8 @@
 	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;
 	}