Hi, pci_clear_master is located at pci.h.
Added by commit 6a479079c07211bf348ac8a79754f26bea258f26 (PCI: Add
pci_clear_master() as opposite of pci_set_master())
I don't know what the reason arc architecture can't use this.
On 2023/3/30 08:07, kernel test robot wrote:
Hi Sui,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on drm/drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.3-rc4 next-20230329]
[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/Sui-Jingfeng/drm-etnaviv-add-a-dedicate-function-to-register-irq-handler-for-the-gpu/20230330-045519
base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link: https://lore.kernel.org/r/20230329205129.1513734-6-15330273260%40189.cn
patch subject: [PATCH v3 5/6] drm/etnaviv: expand driver support for the pci devices
config: arc-randconfig-r043-20230329 (https://download.01.org/0day-ci/archive/20230330/202303300759.E9lbKNTQ-lkp@xxxxxxxxx/config)
compiler: arc-elf-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/cfc3554b9fbd8ca3f3f6731d45d811bfa7fdf777
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Sui-Jingfeng/drm-etnaviv-add-a-dedicate-function-to-register-irq-handler-for-the-gpu/20230330-045519
git checkout cfc3554b9fbd8ca3f3f6731d45d811bfa7fdf777
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash drivers/gpu/drm/etnaviv/
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/202303300759.E9lbKNTQ-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
drivers/gpu/drm/etnaviv/etnaviv_pci_drv.c: In function 'etnaviv_gpu_pci_fini':
drivers/gpu/drm/etnaviv/etnaviv_pci_drv.c:32:9: error: implicit declaration of function 'pci_clear_master'; did you mean 'pci_set_master'? [-Werror=implicit-function-declaration]
32 | pci_clear_master(pdev);
| ^~~~~~~~~~~~~~~~
| pci_set_master
cc1: some warnings being treated as errors
vim +32 drivers/gpu/drm/etnaviv/etnaviv_pci_drv.c
27
28 static void etnaviv_gpu_pci_fini(struct etnaviv_gpu *gpu, bool component)
29 {
30 struct pci_dev *pdev = to_pci_dev(gpu->dev);
31
> 32 pci_clear_master(pdev);
33
34 dev_dbg(gpu->dev, "component is %s\n",
35 component ? "enabled" : "disabled");
36 }
37
