dmaengine: axi-dmac: Request IRQ with IRQF_SHARED

Request IRQ with IRQF_SHARED flag to enable setups with multiple
instances of the core sharing a single IRQ line.
This works out since the IRQ handler already checks if there is
an actual IRQ pending and returns IRQ_NONE otherwise.

Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c
index 2419fe524daac9e2d2edf67e5e16c6499cf16613..15b2453d2647fa49e790b6f063785a7d64d19497 100644 (file)
--- a/drivers/dma/dma-axi-dmac.c
+++ b/drivers/dma/dma-axi-dmac.c
@@ -687,7 +687,7 @@ static int axi_dmac_probe(struct platform_device *pdev)
        if (ret)
                goto err_unregister_device;
 
-       ret = request_irq(dmac->irq, axi_dmac_interrupt_handler, 0,
+       ret = request_irq(dmac->irq, axi_dmac_interrupt_handler, IRQF_SHARED,
                dev_name(&pdev->dev), dmac);
        if (ret)
                goto err_unregister_of;