[PATCH 4/5] tty: amba-pl011: Don't complain on -EPROBE_DEFER when no irq

From: Kefeng Wang
Date: Sat Sep 24 2016 - 05:20:40 EST


Don't complain on -EPROBE_DEFER when attempting to get the irq.
the driver probe will be retried later.

Cc: Russell King <linux@xxxxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
drivers/tty/serial/amba-pl011.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 8a9e213..7d9b291 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -2555,7 +2555,8 @@ static int sbsa_uart_probe(struct platform_device *pdev)

ret = platform_get_irq(pdev, 0);
if (ret < 0) {
- dev_err(&pdev->dev, "cannot obtain irq\n");
+ if (ret != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "cannot obtain irq\n");
return ret;
}
uap->port.irq = ret;
--
1.7.12.4