Re: [PATCH v1] can: mcp251xfd: use regmap_bulk_write for compatibility

[Marc Kleine-Budde]

On 1/22/21 8:59 AM, Su wrote:
> 
> 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.

Ok, you can post a link yo your repo with the patches for the interested reader.

Marc

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