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@xxxxxxxxxxxxx >> 发送时间: 2023-03-10 17:14:56 (星期五) >> 收件人: chengziqiu@xxxxxxxxxxx, eugen.hristev@xxxxxxxxxxxxx, jic23@xxxxxxxxxx, lars@xxxxxxxxxx, Nicolas.Ferre@xxxxxxxxxxxxx, alexandre.belloni@xxxxxxxxxxx >> 抄送: dzm91@xxxxxxxxxxx, linux-iio@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx >> 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@xxxxxxxxxxx> >> >> I see From and 1st SoB matches but >> >>> Signed-off-by: Dongliang Mu <dzm91@xxxxxxxxxxx> >> >> 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. > > 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