From 49858e0d0dd45c8ea508e81c7a2c104e759550ce Mon Sep 17 00:00:00 2001 From: =?utf8?q?Lothar=20Wa=C3=9Fmann?= Date: Wed, 3 Jun 2015 07:17:14 +0200 Subject: [PATCH] backlight: pwm: don't try legacy API when devm_pwm_get() returns -EPROBE_DEFER --- drivers/video/backlight/pwm_bl.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 3a145a643e0d..88d4a73cfd62 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -274,7 +274,11 @@ static int pwm_backlight_probe(struct platform_device *pdev) pb->pwm = devm_pwm_get(&pdev->dev, NULL); if (IS_ERR(pb->pwm)) { - dev_err(&pdev->dev, "unable to request PWM, trying legacy API\n"); + ret = PTR_ERR(pb->pwm); + if (ret == -EPROBE_DEFER) + goto err_alloc; + dev_err(&pdev->dev, + "unable to request PWM: %d; trying legacy API\n", ret); pb->legacy = true; pb->pwm = pwm_request(data->pwm_id, "pwm-backlight"); if (IS_ERR(pb->pwm)) { -- 2.39.2