diff options
Diffstat (limited to 'drivers/hwmon/pwm-fan.c')
| -rw-r--r-- | drivers/hwmon/pwm-fan.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c index 7838af58f92d..7da6a160d45a 100644 --- a/drivers/hwmon/pwm-fan.c +++ b/drivers/hwmon/pwm-fan.c @@ -221,8 +221,12 @@ static int pwm_fan_probe(struct platform_device *pdev) ctx->pwm = devm_of_pwm_get(&pdev->dev, pdev->dev.of_node, NULL); if (IS_ERR(ctx->pwm)) { - dev_err(&pdev->dev, "Could not get PWM\n"); - return PTR_ERR(ctx->pwm); + ret = PTR_ERR(ctx->pwm); + + if (ret != -EPROBE_DEFER) + dev_err(&pdev->dev, "Could not get PWM: %d\n", ret); + + return ret; } platform_set_drvdata(pdev, ctx); @@ -290,9 +294,19 @@ static int pwm_fan_remove(struct platform_device *pdev) static int pwm_fan_suspend(struct device *dev) { struct pwm_fan_ctx *ctx = dev_get_drvdata(dev); + struct pwm_args args; + int ret; + + pwm_get_args(ctx->pwm, &args); + + if (ctx->pwm_value) { + ret = pwm_config(ctx->pwm, 0, args.period); + if (ret < 0) + return ret; - if (ctx->pwm_value) pwm_disable(ctx->pwm); + } + return 0; } |