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2020-01-27i2c: stm32f7: report dma error during probeAlain Volmat
[ Upstream commit d77eceb2de99f5d7e0c645bad15511fe1af59e09 ] Distinguish between the case where dma information is not provided within the DT and the case of an error during the dma init. Exit the probe with error in case of an error during dma init. Fixes: bb8822cbbc53 ("i2c: i2c-stm32: Add generic DMA API") Signed-off-by: Alain Volmat <alain.volmat@st.com> Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Sasha Levin <sashal@kernel.org>
2018-04-30i2c: i2c-stm32: Add generic DMA APIPierre-Yves MORDRET
This patch adds a generic DMA API to implement DMA support for i2c-stm32fx drivers Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com> Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>