This patch series aims to fix some issues inside the driver's DMA handling. It also uses newer I2C DMA API.
Signed-off-by: Clément Le Goffic <clement.legof...@foss.st.com> --- Changes in v4: - Patch[1]: Remove all `chan_dev` variable occurrencies - Patch[2]: - Refine commit message - Use the dma_callback to factorize the code - Patch[3]: Refine commit message - Link to v3: https://lore.kernel.org/r/20250630-i2c-upstream-v3-0-7a23ab266...@foss.st.com Changes in v3: - Add Alain Volmat's "Acked-by" on patch 1 and 2 - Link to v2: https://lore.kernel.org/r/20250627-i2c-upstream-v2-0-8c1452348...@foss.st.com Changes in v2: - Fix the dev used in dma_unmap also in the error path of `stm32_i2c_prep_dma_xfer` - Add a dma_unmap_single also in the ITs error handler - Add Alain Volmat's "Acked-by" on patch 3 - Link to v1: https://lore.kernel.org/r/20250616-i2c-upstream-v1-0-42d3d5374...@foss.st.com --- Clément Le Goffic (3): i2c: stm32: fix the device used for the DMA map i2c: stm32f7: unmap DMA mapped buffer i2c: stm32f7: support i2c_*_dma_safe_msg_buf APIs drivers/i2c/busses/i2c-stm32.c | 8 +++--- drivers/i2c/busses/i2c-stm32f7.c | 56 +++++++++++++++++++++------------------- 2 files changed, 33 insertions(+), 31 deletions(-) --- base-commit: d0b3b7b22dfa1f4b515fd3a295b3fd958f9e81af change-id: 20250527-i2c-upstream-e5b69501359a Best regards, -- Clément Le Goffic <clement.legof...@foss.st.com>