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SubjectRe: [PATCH v2] devfreq: tegra: fix error return code in tegra_devfreq_probe()
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On 07/04/2017 03:35 AM, Jon Hunter wrote:
>
> On 03/07/17 13:47, Gustavo A. R. Silva wrote:
>> platform_get_irq() returns an error code, but the tegra-devfreq
>> driver ignores it and always returns -ENODEV. This is not correct,
>> and prevents -EPROBE_DEFER from being propagated properly.
>>
>> Notice that platform_get_irq() no longer returns 0 on error:
>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e330b9a6bb35dc7097a4f02cb1ae7b6f96df92af
>>
>> Print and propagate the return value of platform_get_irq on failure.
>>
>> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
>> Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
>> Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
>> ---
>> Changes in v2:
>> Rewrite commit message.
>>
>> drivers/devfreq/tegra-devfreq.c | 6 +++---
>> 1 file changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/devfreq/tegra-devfreq.c b/drivers/devfreq/tegra-devfreq.c
>> index 214fff9..ae71215 100644
>> --- a/drivers/devfreq/tegra-devfreq.c
>> +++ b/drivers/devfreq/tegra-devfreq.c
>> @@ -688,9 +688,9 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
>> }
>>
>> irq = platform_get_irq(pdev, 0);
>> - if (irq <= 0) {
>> - dev_err(&pdev->dev, "Failed to get IRQ\n");
>> - return -ENODEV;
>> + if (irq < 0) {
>> + dev_err(&pdev->dev, "Failed to get IRQ: %d\n", irq);
>> + return irq;
>> }
>>
>> platform_set_drvdata(pdev, tegra);
>
> Thanks.
>
> Acked-by: Jon Hunter <jonathanh@nvidia.com>
>

Thank you, Jon.

--
Gustavo A. R. Silva

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