Re: [PATCH 2/2] clocksource/drivers/timer-mediatek: Implement CPUXGPT timers

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Hi AngeloGioacchino,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on tip/timers/core]
[also build test WARNING on robh/for-next v5.18-rc6 next-20220509]
[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/intel-lab-lkp/linux/commits/AngeloGioacchino-Del-Regno/MediaTek-SoC-ARM-ARM64-System-Timer/20220509-182806
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git f4b62e1e1137507268c2c63dc4e6da279dc58e9f
config: mips-randconfig-r015-20220509 (https://download.01.org/0day-ci/archive/20220510/202205100325.mvo9fxmN-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a385645b470e2d3a1534aae618ea56b31177639f)
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
        # install mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://github.com/intel-lab-lkp/linux/commit/cd08992dd0c0e2c02229be62ecb2a51da4c1d315
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review AngeloGioacchino-Del-Regno/MediaTek-SoC-ARM-ARM64-System-Timer/20220509-182806
        git checkout cd08992dd0c0e2c02229be62ecb2a51da4c1d315
        # 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=mips SHELL=/bin/bash drivers/clocksource/ drivers/gpu/drm/mgag200/

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

All warnings (new ones prefixed by >>):

>> drivers/clocksource/timer-mediatek.c:103:6: warning: variable 'val' set but not used [-Wunused-but-set-variable]
           u32 val;
               ^
   1 warning generated.


vim +/val +103 drivers/clocksource/timer-mediatek.c

    99	
   100	static void mtk_cpux_disable_irq(struct timer_of *to)
   101	{
   102		const unsigned long *irq_mask = cpumask_bits(cpu_possible_mask);
 > 103		u32 val;
   104	
   105		val = mtk_cpux_readl(CPUX_IDX_GLOBAL_IRQ, to);
   106		val &= ~(*irq_mask);
   107	}
   108	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp



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