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hwmon: (pwm-fan) Report probe errors consistently 

Printing the error code for a failure provides a head-start for
debugging, since it's often sufficient to pinpoint the origin of the
failure. We already do this for some probe-failure messages, so let's
make the rest of them consistent.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Robin Murphy 2019-04-12 15:05:23 +01:00 committed by Guenter Roeck
parent 6b1ec4789f
commit 841cf6767b
1 changed files with 8 additions and 5 deletions
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13
drivers/hwmon/pwm-fan.c
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@ -328,7 +328,7 @@ static int pwm_fan_probe(struct platform_device *pdev)
ret = pwm_apply_state(ctx->pwm, &state);
if (ret) {
dev_err(&pdev->dev, "Failed to configure PWM\n");
dev_err(&pdev->dev, "Failed to configure PWM: %d\n", ret);
goto err_reg_disable;
}
@ -346,7 +346,8 @@ static int pwm_fan_probe(struct platform_device *pdev)
ret = devm_request_irq(&pdev->dev, ctx->irq, pulse_handler, 0,
pdev->name, ctx);
if (ret) {
dev_err(&pdev->dev, "Can't get interrupt working.\n");
dev_err(&pdev->dev,
"Failed to request interrupt: %d\n", ret);
goto err_pwm_disable;
}
ctx->sample_start = ktime_get();
@ -356,8 +357,9 @@ static int pwm_fan_probe(struct platform_device *pdev)
hwmon = devm_hwmon_device_register_with_groups(&pdev->dev, "pwmfan",
ctx, pwm_fan_groups);
if (IS_ERR(hwmon)) {
dev_err(&pdev->dev, "Failed to register hwmon device\n");
ret = PTR_ERR(hwmon);
dev_err(&pdev->dev,
"Failed to register hwmon device: %d\n", ret);
goto err_del_timer;
}
@ -371,9 +373,10 @@ static int pwm_fan_probe(struct platform_device *pdev)
"pwm-fan", ctx,
&pwm_fan_cooling_ops);
if (IS_ERR(cdev)) {
dev_err(&pdev->dev,
"Failed to register pwm-fan as cooling device");
ret = PTR_ERR(cdev);
dev_err(&pdev->dev,
"Failed to register pwm-fan as cooling device: %d\n",
ret);
goto err_del_timer;
}
ctx->cdev = cdev;