Re: [PATCH v2] i2c: at91: use dma safe buffers

[Michael Walle <michael@xxxxxxxx>]

Am 2022-04-07 17:08, schrieb Michael Walle:
> The supplied buffer might be on the stack and we get the following 
> error
> message:
> [    3.312058] at91_i2c e0070600.i2c: rejecting DMA map of vmalloc 
> memory
>
> Use i2c_{get,put}_dma_safe_msg_buf() to get a DMA-able memory region if
> necessary.
>
> Fixes: 60937b2cdbf9 ("i2c: at91: add dma support")
> Signed-off-by: Michael Walle <michael@xxxxxxxx>
> Reviewed-by: Codrin Ciubotariu <codrin.ciubotariu@xxxxxxxxxxxxx>

Wolfgang, will you pick this one?

-michael