Re: [PATCH v2 3/4] dmaengine: stm32-dma: add support to trigger STM32 MDMA

From: kernel test robot
Date: Fri Jul 15 2022 - 14:01:49 EST


Hi Amelie,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on atorgue-stm32/stm32-next]
[also build test WARNING on lwn-2.6/docs-next vkoul-dmaengine/next linus/master v5.19-rc6 next-20220715]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Amelie-Delaunay/STM32-DMA-MDMA-chaining-feature/20220713-222358
base: https://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32.git stm32-next
config: hexagon-buildonly-randconfig-r004-20220715 (https://download.01.org/0day-ci/archive/20220716/202207160125.oxFFO8ZQ-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 2da550140aa98cf6a3e96417c87f1e89e3a26047)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/e1f4515659df0475a1e4d6dafd8559771c2b49b0
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Amelie-Delaunay/STM32-DMA-MDMA-chaining-feature/20220713-222358
git checkout e1f4515659df0475a1e4d6dafd8559771c2b49b0
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/dma/ drivers/iio/adc/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> drivers/dma/stm32-dma.c:211: warning: expecting prototype for struct stm32_dma_mdma_cfg. Prototype was for struct stm32_dma_mdma_config instead


vim +211 drivers/dma/stm32-dma.c

199
200 /**
201 * struct stm32_dma_mdma_cfg - STM32 DMA MDMA configuration
202 * @stream_id: DMA request to trigger STM32 MDMA transfer
203 * @ifcr: DMA interrupt flag clear register address,
204 * used by STM32 MDMA to clear DMA Transfer Complete flag
205 * @tcf: DMA Transfer Complete flag
206 */
207 struct stm32_dma_mdma_config {
208 u32 stream_id;
209 u32 ifcr;
210 u32 tcf;
> 211 };
212

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