linux-kernel - drivers/gpu/drm/gma500/psb_irq.c:35:19: warning: unused function 'gma_pipe

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Message-ID: <202301182010.WKFkscwy-lkp@intel.com>
Date:   Wed, 18 Jan 2023 20:19:57 +0800
From:   kernel test robot <lkp@...el.com>
To:     Patrik Jakobsson <patrik.r.jakobsson@...il.com>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: drivers/gpu/drm/gma500/psb_irq.c:35:19: warning: unused function
 'gma_pipe_event'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c1649ec55708ae42091a2f1bca1ab49ecd722d55
commit: 5d5fb74630c1896aa80f01a551d0a0e82e4d5765 drm/gma500: Cosmetic cleanup of irq code
date:   10 months ago
config: i386-randconfig-a013
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5d5fb74630c1896aa80f01a551d0a0e82e4d5765
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 5d5fb74630c1896aa80f01a551d0a0e82e4d5765
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/gma500/

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

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/gma500/psb_irq.c:35:19: warning: unused function 'gma_pipe_event' [-Wunused-function]
   static inline u32 gma_pipe_event(int pipe)
                     ^
   1 warning generated.


vim +/gma_pipe_event +35 drivers/gpu/drm/gma500/psb_irq.c

    34	
  > 35	static inline u32 gma_pipe_event(int pipe)
    36	{
    37		if (pipe == 0)
    38			return _PSB_PIPEA_EVENT_FLAG;
    39		if (pipe == 1)
    40			return _MDFLD_PIPEB_EVENT_FLAG;
    41		if (pipe == 2)
    42			return _MDFLD_PIPEC_EVENT_FLAG;
    43		BUG();
    44	}
    45	

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

View attachment "config" of type "text/plain" (151395 bytes)