From adbe9720e573d0466b506df3b848bcf4c4dd63c9 Mon Sep 17 00:00:00 2001 From: Zhu Wang Date: Fri, 4 Aug 2023 18:54:30 +0800 Subject: [PATCH] usb: musb: Fix deferred probing When platform_get_irq_byname() fails, it may return -EPROBE_DEFER, which suggested deferred probing, it is very important to propagate it upstream. We cannot override it with other error code. Commit ce753ad1549c ("platform: finally disallow IRQ0 in platform_get_irq() and its ilk") makes sure IRQ0 is not returned. Signed-off-by: Zhu Wang Link: https://lore.kernel.org/r/20230804105430.95773-1-wangzhu9@huawei.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/musb/musb_core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index ecbd3784bec36..b24adb5b399fc 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -2610,8 +2610,8 @@ static int musb_probe(struct platform_device *pdev) int irq = platform_get_irq_byname(pdev, "mc"); void __iomem *base; - if (irq <= 0) - return -ENODEV; + if (irq < 0) + return irq; base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(base)) -- 2.30.2