Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit f0b50777 authored by Chao Xie's avatar Chao Xie Committed by Vinod Koul
Browse files

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: default avatarChao Xie <chao.xie@marvell.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent e3ddc979

drivers/dma/mmp_pdma.c

+4 −4
Original line number Diff line number Diff line
@@ -867,8 +867,8 @@ 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;
@@ -957,8 +957,8 @@ 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;

	}