Re: [PATCH] kernel-doc: validate function prototype names

kernel test robot
2020-10-23T10:19:22Z

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Hi Mauro,

I love your patch! Perhaps something to improve:

[auto build test WARNING on lwn/docs-next]
[also build test WARNING on linus/master v5.9 next-20201023]
[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]

url: https://github.com/0day-ci/linux/commits/Mauro-Carvalho-Chehab/kernel-doc-validate-function-prototype-names/20201023-153539
base: git://git.lwn.net/linux-2.6 docs-next
config: microblaze-randconfig-r004-20201023 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/5193d879fdb280898c28b196d3177b61d48fd2db
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Mauro-Carvalho-Chehab/kernel-doc-validate-function-prototype-names/20201023-153539
git checkout 5193d879fdb280898c28b196d3177b61d48fd2db
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/dma/xilinx/xilinx_dma.c:800: warning: expecting prototype for function xilinx_dma_tx_descriptor. Prototype was for function xilinx_dma_alloc_tx_descriptor instead
>> drivers/dma/xilinx/xilinx_dma.c:2452: warning: expecting prototype for function xilinx_dma_channel_set_config. Prototype was for function xilinx_vdma_channel_set_config instead

vim +800 drivers/dma/xilinx/xilinx_dma.c

9cd4360de6090a6 drivers/dma/xilinx/xilinx_vdma.c Srikanth Thokala 2014-04-23 791
9cd4360de6090a6 drivers/dma/xilinx/xilinx_vdma.c Srikanth Thokala 2014-04-23 792 /**
42c1a2ede4f6a32 drivers/dma/xilinx/xilinx_vdma.c Kedareswara rao Appana 2016-04-07 793 * xilinx_dma_tx_descriptor - Allocate transaction descriptor
42c1a2ede4f6a32 drivers/dma/xilinx/xilinx_vdma.c Kedareswara rao Appana 2016-04-07 794 * @chan: Driver specific DMA channel
9cd4360de6090a6 drivers/dma/xilinx/xilinx_vdma.c Srikanth Thokala 2014-04-23 795 *
9cd4360de6090a6 drivers/dma/xilinx/xilinx_vdma.c Srikanth Thokala 2014-04-23 796 * Return: The allocated descriptor on success and NULL on failure.
9cd4360de6090a6 drivers/dma/xilinx/xilinx_vdma.c Srikanth Thokala 2014-04-23 797 */
42c1a2ede4f6a32 drivers/dma/xilinx/xilinx_vdma.c Kedareswara rao Appana 2016-04-07 798 static struct xilinx_dma_tx_descriptor *
42c1a2ede4f6a32 drivers/dma/xilinx/xilinx_vdma.c Kedareswara rao Appana 2016-04-07 799 xilinx_dma_alloc_tx_descriptor(struct xilinx_dma_chan *chan)
9cd4360de6090a6 drivers/dma/xilinx/xilinx_vdma.c Srikanth Thokala 2014-04-23 @800 {
42c1a2ede4f6a32 drivers/dma/xilinx/xilinx_vdma.c Kedareswara rao Appana 2016-04-07 801 struct xilinx_dma_tx_descriptor *desc;
9cd4360de6090a6 drivers/dma/xilinx/xilinx_vdma.c Srikanth Thokala 2014-04-23 802
9cd4360de6090a6 drivers/dma/xilinx/xilinx_vdma.c Srikanth Thokala 2014-04-23 803 desc = kzalloc(sizeof(*desc), GFP_KERNEL);
9cd4360de6090a6 drivers/dma/xilinx/xilinx_vdma.c Srikanth Thokala 2014-04-23 804 if (!desc)
9cd4360de6090a6 drivers/dma/xilinx/xilinx_vdma.c Srikanth Thokala 2014-04-23 805 return NULL;
9cd4360de6090a6 drivers/dma/xilinx/xilinx_vdma.c Srikanth Thokala 2014-04-23 806
9cd4360de6090a6 drivers/dma/xilinx/xilinx_vdma.c Srikanth Thokala 2014-04-23 807 INIT_LIST_HEAD(&desc->segments);
9cd4360de6090a6 drivers/dma/xilinx/xilinx_vdma.c Srikanth Thokala 2014-04-23 808
9cd4360de6090a6 drivers/dma/xilinx/xilinx_vdma.c Srikanth Thokala 2014-04-23 809 return desc;
9cd4360de6090a6 drivers/dma/xilinx/xilinx_vdma.c Srikanth Thokala 2014-04-23 810 }
9cd4360de6090a6 drivers/dma/xilinx/xilinx_vdma.c Srikanth Thokala 2014-04-23 811

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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