From: Lad Prabhakar Date: Tue, 11 Jan 2022 00:23:06 +0000 (+0100) Subject: media: stm32-dma2d: Use platform_get_irq() to get the interrupt X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2b9b06a7692e77383d1740f40460c19a046a0739;p=linux.git media: stm32-dma2d: Use platform_get_irq() to get the interrupt platform_get_resource(pdev, IORESOURCE_IRQ, ..) relies on static allocation of IRQ resources in DT core code, this causes an issue when using hierarchical interrupt domains using "interrupts" property in the node as this bypasses the hierarchical setup and messes up the irq chaining. In preparation for removal of static setup of IRQ resource from DT core code use platform_get_irq(). Signed-off-by: Lad Prabhakar Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/platform/stm32/dma2d/dma2d.c b/drivers/media/platform/stm32/dma2d/dma2d.c index 17af90d868981..9706aa41b5d28 100644 --- a/drivers/media/platform/stm32/dma2d/dma2d.c +++ b/drivers/media/platform/stm32/dma2d/dma2d.c @@ -633,14 +633,11 @@ static int dma2d_probe(struct platform_device *pdev) goto put_clk_gate; } - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { - dev_err(&pdev->dev, "failed to find IRQ\n"); - ret = -ENXIO; + ret = platform_get_irq(pdev, 0); + if (ret < 0) goto unprep_clk_gate; - } - dev->irq = res->start; + dev->irq = ret; ret = devm_request_irq(&pdev->dev, dev->irq, dma2d_isr, 0, pdev->name, dev);