Messages in this thread Patch in this message |  | | From | Moritz Fischer <> | Subject | [PATCH v3] dmaengine: axi-dmac: Request IRQ with IRQF_SHARED | Date | Sat, 28 Apr 2018 12:57:54 -0700 |
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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> ---
Changes from v2: - Reworded commit message
Changes from v1: - Added Lars' Acked-by - Dropped patch [1/2] and changed accordingly
--- drivers/dma/dma-axi-dmac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c index 2419fe524daa..15b2453d2647 100644 --- 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; -- 2.17.0
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