[PATCH 1/3] Input: pwm-beeper: suppress error message on probe defer

From: David Lechner
Date: Thu Jan 05 2017 - 21:44:16 EST


This suppress printing an error message when pwm_get/pwm_request returns
-EPROBE_DEFER. Otherwise you get a bunch of noise in the kernel log.

Signed-off-by: David Lechner <david@xxxxxxxxxxxxxx>
---
drivers/input/misc/pwm-beeper.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/input/misc/pwm-beeper.c b/drivers/input/misc/pwm-beeper.c
index 5f9655d..e76b710 100644
--- a/drivers/input/misc/pwm-beeper.c
+++ b/drivers/input/misc/pwm-beeper.c
@@ -109,9 +109,10 @@ static int pwm_beeper_probe(struct platform_device *pdev)
beeper->pwm = pwm_request(pwm_id, "pwm beeper");
}

- if (IS_ERR(beeper->pwm)) {
- error = PTR_ERR(beeper->pwm);
- dev_err(&pdev->dev, "Failed to request pwm device: %d\n", error);
+ error = PTR_ERR_OR_ZERO(beeper->pwm);
+ if (error) {
+ if (error != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "Failed to request pwm device\n");
goto err_free;
}

--
2.7.4