Re: [PATCH] spi: rockchip: Resolve unbalanced runtime PM / system PM handling

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Hi Brian,

kernel test robot noticed the following build warnings:

[auto build test WARNING on rockchip/for-next]
[also build test WARNING on broonie-sound/for-next broonie-spi/for-next linus/master v6.11-rc5 next-20240826]
[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/Brian-Norris/spi-rockchip-Resolve-unbalanced-runtime-PM-system-PM-handling/20240826-135245
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next
patch link:    https://lore.kernel.org/r/20240823214235.1718769-1-briannorris%40chromium.org
patch subject: [PATCH] spi: rockchip: Resolve unbalanced runtime PM / system PM handling
config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20240827/202408271225.Zh4Kc31M-lkp@xxxxxxxxx/config)
compiler: loongarch64-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240827/202408271225.Zh4Kc31M-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408271225.Zh4Kc31M-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   drivers/spi/spi-rockchip.c: In function 'rockchip_spi_suspend':
>> drivers/spi/spi-rockchip.c:948:30: warning: unused variable 'rs' [-Wunused-variable]
     948 |         struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
         |                              ^~
   drivers/spi/spi-rockchip.c: In function 'rockchip_spi_resume':
   drivers/spi/spi-rockchip.c:969:30: warning: unused variable 'rs' [-Wunused-variable]
     969 |         struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
         |                              ^~


vim +/rs +948 drivers/spi/spi-rockchip.c

64e36824b32b06 addy ke      2014-07-01  942  
64e36824b32b06 addy ke      2014-07-01  943  #ifdef CONFIG_PM_SLEEP
64e36824b32b06 addy ke      2014-07-01  944  static int rockchip_spi_suspend(struct device *dev)
64e36824b32b06 addy ke      2014-07-01  945  {
43de979ddc099c Jeffy Chen   2017-08-07  946  	int ret;
d66571a20f68f1 Chris Ruehl  2020-05-11  947  	struct spi_controller *ctlr = dev_get_drvdata(dev);
e882575efc771f shengfei Xu  2022-02-16 @948  	struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
64e36824b32b06 addy ke      2014-07-01  949  
d66571a20f68f1 Chris Ruehl  2020-05-11  950  	ret = spi_controller_suspend(ctlr);
43de979ddc099c Jeffy Chen   2017-08-07  951  	if (ret < 0)
64e36824b32b06 addy ke      2014-07-01  952  		return ret;
64e36824b32b06 addy ke      2014-07-01  953  
8d3fb5bc7d0206 Brian Norris 2024-08-23  954  	ret = pm_runtime_force_suspend(dev);
8d3fb5bc7d0206 Brian Norris 2024-08-23  955  	if (ret < 0) {
8d3fb5bc7d0206 Brian Norris 2024-08-23  956  		spi_controller_resume(ctlr);
8d3fb5bc7d0206 Brian Norris 2024-08-23  957  		return ret;
8d3fb5bc7d0206 Brian Norris 2024-08-23  958  	}
64e36824b32b06 addy ke      2014-07-01  959  
23e291c2e4c84a Brian Norris 2016-12-16  960  	pinctrl_pm_select_sleep_state(dev);
23e291c2e4c84a Brian Norris 2016-12-16  961  
43de979ddc099c Jeffy Chen   2017-08-07  962  	return 0;
64e36824b32b06 addy ke      2014-07-01  963  }
64e36824b32b06 addy ke      2014-07-01  964  

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




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