[PATCH v3 4/6] i2c: i2c-stm32: Add generic DMA API

This patch adds a generic DMA API to implement DMA support for i2c-stm32fx drivers Signed-off-by: M'boumba Cedric Madianga Signed-off-by: Pierre-Yves MORDRET --- Version history: v1: * Initial v2: v3: --- ---

[PATCH v3 4/6] i2c: i2c-stm32: Add generic DMA API

This patch adds a generic DMA API to implement DMA support for i2c-stm32fx drivers Signed-off-by: M'boumba Cedric Madianga Signed-off-by: Pierre-Yves MORDRET --- Version history: v1: * Initial v2: v3: --- --- drivers/i2c/busses/i2c-stm32.c | 153