On 10/19/21 2:15 PM, Alexander Dahl wrote: >> If platform_get_irq() returns IRQ0 (considered invalid according to Linus) >> the driver blithely passes it to usb_add_hcd() that treats IRQ0 as no IRQ >> at all. Deny IRQ0 right away, returning -EINVAL from the probe() method... >> >> Fixes: 60bbfc84b6d9 ("USB OHCI controller support for PNX4008") >> Signed-off-by: Sergey Shtylyov <s.shtylyov@xxxxxx> >> --- >> drivers/usb/host/ohci-nxp.c | 4 ++++ >> 1 file changed, 4 insertions(+) >> >> diff --git a/drivers/usb/host/ohci-nxp.c b/drivers/usb/host/ohci-nxp.c >> index 85878e8ad331..afb9c2fc85c3 100644 >> --- a/drivers/usb/host/ohci-nxp.c >> +++ b/drivers/usb/host/ohci-nxp.c >> @@ -215,6 +215,10 @@ static int ohci_hcd_nxp_probe(struct platform_device *pdev) >> ret = -ENXIO; >> goto fail_resource; >> } >> + if (!irq) { >> + ret = -EINVAL; >> + goto fail_resource; >> + } >> >> ohci_nxp_start_hc(); >> platform_set_drvdata(pdev, hcd); > > Subject refers to at91 while content is about nxp. Oops, sorry! :-< That's what you get when you send 22 patches fixing the same issue... :-) > Greets > Alex MBR, Sergey