Commit adbe9720 authored by Zhu Wang's avatar Zhu Wang Committed by Greg Kroah-Hartman
Browse files

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 ce753ad1 ("platform: finally disallow IRQ0 in
platform_get_irq() and its ilk") makes sure IRQ0 is not returned.

Signed-off-by: default avatarZhu Wang <wangzhu9@huawei.com>
Link: https://lore.kernel.org/r/20230804105430.95773-1-wangzhu9@huawei.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 98a9e32b

drivers/usb/musb/musb_core.c

+2 −2
Original line number Diff line number Diff line
@@ -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))