Hello Sergey,
Am Mon, Oct 18, 2021 at 09:39:19PM +0300 schrieb Sergey Shtylyov:
> 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.
Greets
Alex
