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SubjectRe: [PATCH] drivers: iio: remove dead code in at91_adc_probe
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On 3/10/23 17:55, Claudiu.Beznea@microchip.com wrote:
> On 10.03.2023 11:41, 慕冬亮 wrote:
>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>>
>>> -----原始邮件-----
>>> 发件人: Claudiu.Beznea@microchip.com
>>> 发送时间: 2023-03-10 17:14:56 (星期五)
>>> 收件人: chengziqiu@hust.edu.cn, eugen.hristev@collabora.com, jic23@kernel.org, lars@metafoo.de, Nicolas.Ferre@microchip.com, alexandre.belloni@bootlin.com
>>> 抄送: dzm91@hust.edu.cn, linux-iio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
>>> 主题: Re: [PATCH] drivers: iio: remove dead code in at91_adc_probe
>>>
>>> On 09.03.2023 17:05, Cheng Ziqiu wrote:
>>>> >From the comment of platform_get_irq, it only returns non-zero IRQ
>>>> number and negative error number, other than zero.
>>>>
>>>> Fix this by removing the if condition.
>>>>
>>>> Signed-off-by: Cheng Ziqiu <chengziqiu@hust.edu.cn>
>>>
>>> I see From and 1st SoB matches but
>>>
>>>> Signed-off-by: Dongliang Mu <dzm91@hust.edu.cn>
>>>
>>> this SoB seems extra. What is the contribution of Dongliang Mu to this patch?
>>
>> I reviewed this patch locally since this student is the first time to submit patch to the kernel mailing list.
>
> Then please use "Reviewed-by" tag.

Sure. I will ask him to send a v2 patch.

>
>>
>> In my lab, I encourage all students to fix kernel issues. However, their patches should be reviewed by me first before sending the mailing list.
>>
>>>
>>>> ---
>>>> drivers/iio/adc/at91-sama5d2_adc.c | 6 +-----
>>>> 1 file changed, 1 insertion(+), 5 deletions(-)
>>>>
>>>> diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c
>>>> index 50d02e5fc6fc..168399092590 100644
>>>> --- a/drivers/iio/adc/at91-sama5d2_adc.c
>>>> +++ b/drivers/iio/adc/at91-sama5d2_adc.c
>>>> @@ -2400,12 +2400,8 @@ static int at91_adc_probe(struct platform_device *pdev)
>>>> st->dma_st.phys_addr = res->start;
>>>>
>>>> st->irq = platform_get_irq(pdev, 0);
>>>> - if (st->irq <= 0) {
>>>> - if (!st->irq)
>>>> - st->irq = -ENXIO;
>>>> -
>>>> + if (st->irq < 0)
>>>> return st->irq;
>>>> - }
>>>>
>>>> st->per_clk = devm_clk_get(&pdev->dev, "adc_clk");
>>>> if (IS_ERR(st->per_clk))
>>>> --
>>>> 2.34.1
>>>>
>>>
>>
>>
>> --
>> Best regards,
>> Dongliang Mu
>

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