Re: [PATCH] usb: xhci: tegra: Propagate -EPROBE_DEFER from IRQ lookup
Greg Kroah-Hartman <[email protected]>
| Newsgroups | org.kernel.vger.linux-kernel,org.kernel.vger.linux-tegra,org.kernel.vger.linux-usb |
|---|---|
| Message-ID | <2026080654-glass-swiftness-7068@gregkh> |
On Thu, Aug 06, 2026 at 01:39:33PM +0700, [email protected] wrote: > From: bui duc phuc <[email protected]> > > Return -EPROBE_DEFER from platform_get_irq_optional() so the driver is > re-probed when the interrupt resource becomes available instead of > continuing probe without an IRQ. > > Signed-off-by: bui duc phuc <[email protected]> > --- > drivers/usb/host/xhci-tegra.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c > index e7e6d569f1db..cb946eb7a65d 100644 > --- a/drivers/usb/host/xhci-tegra.c > +++ b/drivers/usb/host/xhci-tegra.c > @@ -1571,6 +1571,8 @@ static int tegra_xusb_setup_wakeup(struct platform_device *pdev, struct tegra_xu > struct irq_data *data; > > tegra->wake_irqs[i] = platform_get_irq_optional(pdev, i + WAKE_IRQ_START_INDEX); > + if (tegra->wake_irqs[i] == -EPROBE_DEFER) > + return -EPROBE_DEFER; > if (tegra->wake_irqs[i] < 0) > break; > > -- > 2.43.0 > > As before, how was this found and tested? thanks, greg k-h