[PATCH v2] power: reset: gpio-restart: don't error on deferral

From: Chris Packham
Date: Tue Oct 29 2019 - 16:17:35 EST


Don't generate an error message when devm_gpiod_get fails with
-EPROBE_DEFER.

Signed-off-by: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx>
---

Notes:
Changes in v2:
- use PTR_ERR_OR_ZERO() to avoid excessive PTR_ERR()

drivers/power/reset/gpio-restart.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/power/reset/gpio-restart.c b/drivers/power/reset/gpio-restart.c
index 308ca9d9d276..5466eeea261c 100644
--- a/drivers/power/reset/gpio-restart.c
+++ b/drivers/power/reset/gpio-restart.c
@@ -64,9 +64,11 @@ static int gpio_restart_probe(struct platform_device *pdev)

gpio_restart->reset_gpio = devm_gpiod_get(&pdev->dev, NULL,
open_source ? GPIOD_IN : GPIOD_OUT_LOW);
- if (IS_ERR(gpio_restart->reset_gpio)) {
- dev_err(&pdev->dev, "Could not get reset GPIO\n");
- return PTR_ERR(gpio_restart->reset_gpio);
+ ret = PTR_ERR_OR_ZERO(gpio_restart->reset_gpio);
+ if (ret) {
+ if (ret != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "Could not get reset GPIO\n");
+ return ret;
}

gpio_restart->restart_handler.notifier_call = gpio_restart_notify;
--
2.23.0