Re: [PATCH] fbdev: Use of_property_present() for testing DT property presence

From: kernel test robot
Date: Sat Mar 11 2023 - 08:43:02 EST


Hi Rob,

I love your patch! Yet something to improve:

[auto build test ERROR on drm-misc/drm-misc-next]
[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/Rob-Herring/fbdev-Use-of_property_present-for-testing-DT-property-presence/20230310-225754
base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link: https://lore.kernel.org/r/20230310144729.1545943-1-robh%40kernel.org
patch subject: [PATCH] fbdev: Use of_property_present() for testing DT property presence
config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20230311/202303112153.uPbFjEUI-lkp@xxxxxxxxx/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/c013f4111f36b0b4327e7fbf46c0dd93399e9209
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Rob-Herring/fbdev-Use-of_property_present-for-testing-DT-property-presence/20230310-225754
git checkout c013f4111f36b0b4327e7fbf46c0dd93399e9209
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202303112153.uPbFjEUI-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

drivers/video/fbdev/amba-clcd.c: In function 'clcdfb_of_get_board':
>> drivers/video/fbdev/amba-clcd.c:857:13: error: implicit declaration of function 'of_property_present'; did you mean 'fwnode_property_present'? [-Werror=implicit-function-declaration]
857 | if (of_property_present(node, "memory-region")) {
| ^~~~~~~~~~~~~~~~~~~
| fwnode_property_present
cc1: some warnings being treated as errors


vim +857 drivers/video/fbdev/amba-clcd.c

843
844 static struct clcd_board *clcdfb_of_get_board(struct amba_device *dev)
845 {
846 struct clcd_board *board = devm_kzalloc(&dev->dev, sizeof(*board),
847 GFP_KERNEL);
848 struct device_node *node = dev->dev.of_node;
849
850 if (!board)
851 return NULL;
852
853 board->name = of_node_full_name(node);
854 board->caps = CLCD_CAP_ALL;
855 board->check = clcdfb_check;
856 board->decode = clcdfb_decode;
> 857 if (of_property_present(node, "memory-region")) {
858 board->setup = clcdfb_of_vram_setup;
859 board->mmap = clcdfb_of_vram_mmap;
860 board->remove = clcdfb_of_vram_remove;
861 } else {
862 board->setup = clcdfb_of_dma_setup;
863 board->mmap = clcdfb_of_dma_mmap;
864 board->remove = clcdfb_of_dma_remove;
865 }
866
867 return board;
868 }
869 #else
870 static struct clcd_board *clcdfb_of_get_board(struct amba_device *dev)
871 {
872 return NULL;
873 }
874 #endif
875

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests