Re: [PATCH V2] drm/tegra: sor: Don't warn on probe deferral

From: Jon Hunter
Date: Wed Nov 04 2020 - 14:12:14 EST



On 04/11/2020 10:49, Dmitry Osipenko wrote:
> 04.11.2020 12:23, Jon Hunter пишет:
>> Deferred probe is an expected return value for tegra_output_probe().
>> Given that the driver deals with it properly, there's no need to output
>> a warning that may potentially confuse users.
>>
>> Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx>
>> ---
>>
>> Changes since V1:
>> - This time, I actually validated it!
>>
>> drivers/gpu/drm/tegra/sor.c | 7 +++----
>> 1 file changed, 3 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c
>> index e88a17c2937f..898a80ca37fa 100644
>> --- a/drivers/gpu/drm/tegra/sor.c
>> +++ b/drivers/gpu/drm/tegra/sor.c
>> @@ -3764,10 +3764,9 @@ static int tegra_sor_probe(struct platform_device *pdev)
>> return err;
>>
>> err = tegra_output_probe(&sor->output);
>> - if (err < 0) {
>> - dev_err(&pdev->dev, "failed to probe output: %d\n", err);
>> - return err;
>> - }
>> + if (err < 0)
>> + return dev_err_probe(&pdev->dev, err,
>> + "failed to probe output: %d\n", err);
>
> Hello Jon,
>
> There is no need to duplicate the error code in the message [1]. Perhaps
> worth making a v3? :)
Indeed! Thanks for catching. Trying to do to many things at the same
time. I should have learned by now!

Jon

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nvpublic