Re: [PATCH v4 3/3] spi: geni-qcom: Use devm functions to simplify code

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On 2024/9/12 21:38, Doug Anderson wrote:
> Hi,
> 
> On Wed, Sep 11, 2024 at 8:53 PM Jinjie Ruan <ruanjinjie@xxxxxxxxxx> wrote:
>>
>>>> @@ -1132,6 +1134,12 @@ static int spi_geni_probe(struct platform_device *pdev)
>>>>         if (ret)
>>>>                 return ret;
>>>>
>>>> +       ret = devm_add_action_or_reset(dev, spi_geni_release_dma_chan, mas);
>>>> +       if (ret) {
>>>> +               dev_err(dev, "Unable to add action.\n");
>>>> +               return ret;
>>>> +       }
>>>
>>> Use dev_err_probe() to simplify.
>>>
>>> ret = devm_add_action_or_reset(dev, spi_geni_release_dma_chan, mas);
>>> if (ret)
>>>   return dev_err_probe(dev, ret, "Unable to add action.\n");
>>
>> It seems that if it only return -ENOMEM or 0, using dev_err_probe() has
>> not not much value for many community maintainers.
> 
> While I won't insist, it still has some value to use dev_err_probe()
> as I talked about in commit 7065f92255bb ("driver core: Clarify that
> dev_err_probe() is OK even w/out -EPROBE_DEFER")
The main difference is that when use dev_err_probe(),there will print
anything on -ENOMEM now.



> 
> -Doug




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