Input: st1232 - note that the receive buffer is DMA-safe
The receiving buffer is allocated separately from the main driver data structure, and is naturally DMA-safe, so mark it as such when building I2C transfer message. Tested-by: Matthias Fend <Matthias.Fend@wolfvision.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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