[PATCH] usb: chipidea: ci_hdrc_imx: Propagate -EPROBE_DEFER from IRQ lookup
| Newsgroups | dev.linux.lists.imx,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel,org.kernel.vger.linux-usb |
|---|---|
| Message-ID | <[email protected]> |
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/chipidea/ci_hdrc_imx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index 56d2ba824a0b..f53d09e90010 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -525,6 +525,8 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) data->supports_runtime_pm = true; data->wakeup_irq = platform_get_irq_optional(pdev, 1); + if (data->wakeup_irq == -EPROBE_DEFER) + return -EPROBE_DEFER; if (data->wakeup_irq > 0) { irq_name = devm_kasprintf(dev, GFP_KERNEL, "%s:wakeup", pdata.name); if (!irq_name) { -- 2.43.0