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SubjectRe: [PATCH v1] can: mcp251xfd: use regmap_bulk_write for compatibility
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在 2021/1/22 下午3:26, Marc Kleine-Budde 写道:
> On 1/22/21 4:02 AM, Su Yanjun wrote:
>> Recently i use mcp2518fd on 4.x kernel which multiple write is not
>> backported, regmap_raw_write will cause old kernel crash because the
>> tx buffer in driver is smaller then 2K. Use regmap_bulk_write instead
>> for compatibility.
> Hmmm, this patch will never be backported to any 4.x kernel, as the driver is
> not available on these kernels. You have to carry patches for these kernels
> anyway, so I think I'll not take that patch. Sorry. Drop me a note if you are
> interested in updating your kernel to a recent v5.11 kernel.

I got it. I have already port it to 4.x kernel. I just want anyone
working on old kernels to use the driver more easier.

Thanks.

>
> regards,
> Marc
>

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