Messages in this thread | | | Subject | Re: [PATCH v1] can: mcp251xfd: use regmap_bulk_write for compatibility | From | Su <> | Date | Fri, 22 Jan 2021 15:59:22 +0800 |
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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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