On Thu, Oct 21, 2021 at 02:55:01PM +0300, Dmitry Osipenko wrote:
> Older device-trees don't specify padctrl interrupt and xhci-tegra driver
> now fails to probe with -EINVAL using those device-trees. Check interrupt
> presence and disallow runtime PM suspension if it's missing to fix the
> trouble.
[...]
> --- a/drivers/usb/host/xhci-tegra.c
> +++ b/drivers/usb/host/xhci-tegra.c
> @@ -1454,10 +1454,13 @@ static int tegra_xusb_probe(struct platform_device *pdev)
> goto put_padctl;
> }
>
> - tegra->padctl_irq = of_irq_get(np, 0);
> - if (tegra->padctl_irq <= 0) {
> - err = (tegra->padctl_irq == 0) ? -ENODEV : tegra->padctl_irq;
> - goto put_padctl;
> + /* Older device-trees don't specify padctrl interrupt */
> + if (of_property_read_bool(np, "interrupts")) {
Does this catch "interrupts-extended"?
> + tegra->padctl_irq = of_irq_get(np, 0);
> + if (tegra->padctl_irq <= 0) {
> + err = (tegra->padctl_irq == 0) ? -ENODEV : tegra->padctl_irq;
> + goto put_padctl;
> + }
Best Regards
Michał Mirosław
