From: Lad Prabhakar Date: Mon, 20 Dec 2021 01:04:06 +0000 (+0000) Subject: usb: host: fotg210: Use platform_get_irq() to get the interrupt X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9198e0298efcc7108bf23f76badacd1717bbb281;p=linux.git usb: host: fotg210: 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(). Reviewed-by: Geert Uytterhoeven Signed-off-by: Lad Prabhakar Link: https://lore.kernel.org/r/20211220010411.12075-2-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index b590995a6b3e9..7af17c8e069b3 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -5576,14 +5576,9 @@ static int fotg210_hcd_probe(struct platform_device *pdev) pdev->dev.power.power_state = PMSG_ON; - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { - dev_err(dev, "Found HC with no IRQ. Check %s setup!\n", - dev_name(dev)); - return -ENODEV; - } - - irq = res->start; + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; hcd = usb_create_hcd(&fotg210_fotg210_hc_driver, dev, dev_name(dev));