[PATCH] usb: xhci: tegra: Propagate -EPROBE_DEFER from IRQ lookup

[phucduc . bui]

From: bui duc phuc <phucduc.bui@xxxxxxxxx>

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 <phucduc.bui@xxxxxxxxx>
---
 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