[PATCH] i2c: at91: use dma safe buffers

[Michael Walle]

Hi all,

Am 2022-03-03 17:17, 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.
> 
> Cc: stable at vger.kernel.org
> Signed-off-by: Michael Walle <michael at walle.cc>

Any news here?

> ---
> 
> I'm not sure if or which Fixes: tag I should add to this patch. The 
> issue
> seems to be since a very long time, but nobody seem to have triggered 
> it.
> FWIW, I'm using the sff,sfp driver, which triggers this.

-michael