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Groups > linux.kernel > #1352882
| From | Laxman Dewangan <ldewangan@nvidia.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 3/5] regulator: pwm: Prints error number when it fails |
| Date | 2016-03-08 12:10 +0100 |
| Message-ID | <ranGy-8tF-15@gated-at.bofh.it> (permalink) |
| References | <ranGx-8tF-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Prints the error number along with error message when any
error occurs. This helps on getting the reason of failure
quickly from log without any code instrument.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Lee Jones <lee.jones@linaro.org>
---
drivers/regulator/pwm-regulator.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c
index 4689d62..9db67a1 100644
--- a/drivers/regulator/pwm-regulator.c
+++ b/drivers/regulator/pwm-regulator.c
@@ -277,16 +277,18 @@ static int pwm_regulator_probe(struct platform_device *pdev)
drvdata->pwm = devm_pwm_get(&pdev->dev, NULL);
if (IS_ERR(drvdata->pwm)) {
- dev_err(&pdev->dev, "Failed to get PWM\n");
- return PTR_ERR(drvdata->pwm);
+ ret = PTR_ERR(drvdata->pwm);
+ dev_err(&pdev->dev, "Failed to get PWM, %d\n", ret);
+ return ret;
}
regulator = devm_regulator_register(&pdev->dev,
&drvdata->desc, &config);
if (IS_ERR(regulator)) {
- dev_err(&pdev->dev, "Failed to register regulator %s\n",
- drvdata->desc.name);
- return PTR_ERR(regulator);
+ ret = PTR_ERR(regulator);
+ dev_err(&pdev->dev, "Failed to register regulator %s, %d\n",
+ drvdata->desc.name, ret);
+ return ret;
}
return 0;
--
2.1.4
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[PATCH 0/5] regulator: pwm: Add supports for multiple instance and voltage linear steps Laxman Dewangan <ldewangan@nvidia.com> - 2016-03-08 12:10 +0100
[PATCH 2/5] regulator: pwm: Add support to have multiple instance of pwm regulator Laxman Dewangan <ldewangan@nvidia.com> - 2016-03-08 12:10 +0100
[PATCH 3/5] regulator: pwm: Prints error number when it fails Laxman Dewangan <ldewangan@nvidia.com> - 2016-03-08 12:10 +0100
Re: [PATCH 3/5] regulator: pwm: Prints error number when it fails Mark Brown <broonie@kernel.org> - 2016-03-13 09:40 +0100
Re: [PATCH 3/5] regulator: pwm: Prints error number when it fails Laxman Dewangan <ldewangan@nvidia.com> - 2016-03-13 14:30 +0100
[PATCH 1/5] regulator: pwm: Fix calculation of voltage-to-duty cycle Laxman Dewangan <ldewangan@nvidia.com> - 2016-03-08 12:10 +0100
[PATCH 5/5] regulator: pwm: Add DT binding details for Linear Equal Step Mode Laxman Dewangan <ldewangan@nvidia.com> - 2016-03-08 12:10 +0100
Re: [PATCH 5/5] regulator: pwm: Add DT binding details for Linear Equal Step Mode Rob Herring <robh@kernel.org> - 2016-03-17 16:30 +0100
[PATCH 4/5] regulator: pwm: Add support for voltage linear equal steps Laxman Dewangan <ldewangan@nvidia.com> - 2016-03-08 12:10 +0100
Re: [PATCH 4/5] regulator: pwm: Add support for voltage linear equal steps Mark Brown <broonie@kernel.org> - 2016-03-13 09:40 +0100
Re: [PATCH 4/5] regulator: pwm: Add support for voltage linear equal steps Laxman Dewangan <ldewangan@nvidia.com> - 2016-03-13 14:20 +0100
Re: [PATCH 4/5] regulator: pwm: Add support for voltage linear equal steps Mark Brown <broonie@kernel.org> - 2016-03-14 17:30 +0100
Re: [PATCH 4/5] regulator: pwm: Add support for voltage linear equal steps Laxman Dewangan <ldewangan@nvidia.com> - 2016-03-15 08:00 +0100
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