From bb40bb695ec8b90bee4bfd7db52ba92c4a0b7586 Mon Sep 17 00:00:00 2001 From: Lad Prabhakar Date: Mon, 4 Apr 2022 16:55:56 +0100 Subject: [PATCH] dmaengine: mediatek: mtk-hsdma: 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 Reviewed-by: Andy Shevchenko Link: https://lore.kernel.org/r/20220404155557.27316-3-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Vinod Koul --- drivers/dma/mediatek/mtk-hsdma.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/dma/mediatek/mtk-hsdma.c b/drivers/dma/mediatek/mtk-hsdma.c index 6ad8afbb95f2b..c0fffde7fe086 100644 --- a/drivers/dma/mediatek/mtk-hsdma.c +++ b/drivers/dma/mediatek/mtk-hsdma.c @@ -923,13 +923,10 @@ static int mtk_hsdma_probe(struct platform_device *pdev) return PTR_ERR(hsdma->clk); } - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { - dev_err(&pdev->dev, "No irq resource for %s\n", - dev_name(&pdev->dev)); - return -EINVAL; - } - hsdma->irq = res->start; + err = platform_get_irq(pdev, 0); + if (err < 0) + return err; + hsdma->irq = err; refcount_set(&hsdma->pc_refcnt, 0); spin_lock_init(&hsdma->lock); -- 2.30.2