Thanks for the heads-up !
My driver supports DMA, but hardly used in the system.

But it's worth to mentioned it.

On 03/24/2018 11:51 PM, Wolfram Sang wrote:

On Wed, Mar 21, 2018 at 05:48:58PM +0100, Pierre-Yves MORDRET wrote:

quoted

This patch adds a generic DMA API to implement DMA support for i2c-stm32fx
drivers

Signed-off-by: M'boumba Cedric Madianga <redacted>
Signed-off-by: Pierre-Yves MORDRET <redacted>

In case you haven't read it so far, there is a new document about I2C &
DMA -> Documentation/i2c/DMA-considerations

Just so you know...