From: Meng Tang Date: Fri, 25 Feb 2022 11:19:29 +0000 (+0800) Subject: ALSA: mips: Use platform_get_irq() to get the interrupt X-Git-Tag: v6.6.17~6759^2~140^2~18 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a544684b790f3e9f75173b3b42d7dad1c89dd237;p=platform%2Fkernel%2Flinux-rpi.git ALSA: mips: 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 bypassed the hierarchical setup and messed 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: Meng Tang Link: https://lore.kernel.org/r/20220225111929.17194-1-tangmeng@uniontech.com Signed-off-by: Takashi Iwai --- diff --git a/sound/mips/snd-n64.c b/sound/mips/snd-n64.c index 463a6fe..bff6d85 100644 --- a/sound/mips/snd-n64.c +++ b/sound/mips/snd-n64.c @@ -289,8 +289,7 @@ static int __init n64audio_probe(struct platform_device *pdev) struct snd_card *card; struct snd_pcm *pcm; struct n64audio *priv; - struct resource *res; - int err; + int err, irq; err = snd_card_new(&pdev->dev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, @@ -337,12 +336,12 @@ static int __init n64audio_probe(struct platform_device *pdev) strcpy(card->shortname, "N64 Audio"); strcpy(card->longname, "N64 Audio"); - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { + irq = platform_get_irq(pdev, 0); + if (irq < 0) { err = -EINVAL; goto fail_dma_alloc; } - if (devm_request_irq(&pdev->dev, res->start, n64audio_isr, + if (devm_request_irq(&pdev->dev, irq, n64audio_isr, IRQF_SHARED, "N64 Audio", priv)) { err = -EBUSY; goto fail_dma_alloc;