> -----原始邮件-----
> 发件人: "Sasha Levin" <sashal@xxxxxxxxxx>
> 发送时间:2024-12-30 11:18:48 (星期一)
> 收件人: "Binbin Zhou" <zhoubinbin@xxxxxxxxxxx>
> 抄送: stable@xxxxxxxxxxxxxxx, "Dan Carpenter" <dan.carpenter@xxxxxxxxxx>, "Vinod Koul" <vkoul@xxxxxxxxxx>
> 主题: Re: [PATCH 6.12.y] dmaengine: loongson2-apb: Change GENMASK to GENMASK_ULL
>
> On Mon, Dec 30, 2024 at 09:39:19AM +0800, Binbin Zhou wrote:
> >Fix the following smatch static checker warning:
> >
> >drivers/dma/loongson2-apb-dma.c:189 ls2x_dma_write_cmd()
> >warn: was expecting a 64 bit value instead of '~(((0)) + (((~((0))) - (((1)) << (0)) + 1) & (~((0)) >> ((8 * 4) - 1 - (4)))))'
> >
> >The GENMASK macro used "unsigned long", which caused build issues when
> >using a 32-bit toolchain because it would try to access bits > 31. This
> >patch switches GENMASK to GENMASK_ULL, which uses "unsigned long long".
> >
> >Fixes: 71e7d3cb6e55 ("dmaengine: ls2x-apb: New driver for the Loongson LS2X APB DMA controller")
> >Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> >Closes: https://lore.kernel.org/all/87cdc025-7246-4548-85ca-3d36fdc2be2d@stanley.mountain/
> >Signed-off-by: Binbin Zhou <zhoubinbin@xxxxxxxxxxx>
> >Link: https://lore.kernel.org/r/20241028093413.1145820-1-zhoubinbin@xxxxxxxxxxx
> >Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
> >(cherry picked from commit 4b65d5322e1d8994acfdb9b867aa00bdb30d177b)
>
> I'll queue it up, but please read
> https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html#option-3
>
Hi Sasha:
Thanks for the heads up.
I apologize for my irregularity, although this is the first time I've submitted a patch to stable tree.
And I will read the documentation about this part carefully.
Thanks.
Binbin
> --
> Thanks,
> Sasha
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