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Fri, 07 Jul 2023 19:41:08 +0000 Date: Sat, 8 Jul 2023 03:40:09 +0800 From: kernel test robot To: Masahiro Yamada Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, John Paul Adrian Glaubitz Subject: arch/sh/boards/mach-hp6xx/hp6xx_apm.c:32:22: warning: variable 'backup' set but not used Message-ID: <202307080311.ZgsVj2PR-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Masahiro, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4f6b6c2b2f86b7878a770736bf478d8a263ff0bc commit: 706afcea16cd83fecb7c2229ccc31bb237ffdbef sh: Fix -Wmissing-include-dirs warnings for various platforms date: 2 days ago config: sh-hp6xx_defconfig (https://download.01.org/0day-ci/archive/20230708/202307080311.ZgsVj2PR-lkp@intel.com/config) compiler: sh4-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230708/202307080311.ZgsVj2PR-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202307080311.ZgsVj2PR-lkp@intel.com/ All warnings (new ones prefixed by >>): arch/sh/boards/mach-hp6xx/hp6xx_apm.c: In function 'hp6x0_apm_get_power_status': >> arch/sh/boards/mach-hp6xx/hp6xx_apm.c:32:22: warning: variable 'backup' set but not used [-Wunused-but-set-variable] 32 | int battery, backup, charging, percentage; | ^~~~~~ vim +/backup +32 arch/sh/boards/mach-hp6xx/hp6xx_apm.c dd4f99b42dcce8 arch/sh/boards/hp6xx/hp6xx_apm.c Paul Mundt 2008-03-06 29 0a9b0db19262db arch/sh/boards/hp6xx/hp6xx_apm.c Paul Mundt 2007-01-24 30 static void hp6x0_apm_get_power_status(struct apm_power_info *info) 3aa770e7972723 arch/sh/boards/hp6xx/hp6xx_apm.c Andriy Skulysh 2006-09-27 31 { 0a9b0db19262db arch/sh/boards/hp6xx/hp6xx_apm.c Paul Mundt 2007-01-24 @32 int battery, backup, charging, percentage; 3aa770e7972723 arch/sh/boards/hp6xx/hp6xx_apm.c Andriy Skulysh 2006-09-27 33 u8 pgdr; 3aa770e7972723 arch/sh/boards/hp6xx/hp6xx_apm.c Andriy Skulysh 2006-09-27 34 0a9b0db19262db arch/sh/boards/hp6xx/hp6xx_apm.c Paul Mundt 2007-01-24 35 battery = adc_single(ADC_CHANNEL_BATTERY); 0a9b0db19262db arch/sh/boards/hp6xx/hp6xx_apm.c Paul Mundt 2007-01-24 36 backup = adc_single(ADC_CHANNEL_BACKUP); 0a9b0db19262db arch/sh/boards/hp6xx/hp6xx_apm.c Paul Mundt 2007-01-24 37 charging = adc_single(ADC_CHANNEL_CHARGE); 3aa770e7972723 arch/sh/boards/hp6xx/hp6xx_apm.c Andriy Skulysh 2006-09-27 38 3aa770e7972723 arch/sh/boards/hp6xx/hp6xx_apm.c Andriy Skulysh 2006-09-27 39 percentage = 100 * (battery - HP680_BATTERY_MIN) / 3aa770e7972723 arch/sh/boards/hp6xx/hp6xx_apm.c Andriy Skulysh 2006-09-27 40 (HP680_BATTERY_MAX - HP680_BATTERY_MIN); 3aa770e7972723 arch/sh/boards/hp6xx/hp6xx_apm.c Andriy Skulysh 2006-09-27 41 8b03c040e4efaa arch/sh/boards/hp6xx/hp6xx_apm.c Kristoffer Ericson 2008-03-04 42 /* % of full battery */ 8b03c040e4efaa arch/sh/boards/hp6xx/hp6xx_apm.c Kristoffer Ericson 2008-03-04 43 info->battery_life = percentage; 8b03c040e4efaa arch/sh/boards/hp6xx/hp6xx_apm.c Kristoffer Ericson 2008-03-04 44 8b03c040e4efaa arch/sh/boards/hp6xx/hp6xx_apm.c Kristoffer Ericson 2008-03-04 45 /* We want our estimates in minutes */ 8b03c040e4efaa arch/sh/boards/hp6xx/hp6xx_apm.c Kristoffer Ericson 2008-03-04 46 info->units = 0; 8b03c040e4efaa arch/sh/boards/hp6xx/hp6xx_apm.c Kristoffer Ericson 2008-03-04 47 8b03c040e4efaa arch/sh/boards/hp6xx/hp6xx_apm.c Kristoffer Ericson 2008-03-04 48 /* Extremely(!!) rough estimate, we will replace this with a datalist later on */ 8b03c040e4efaa arch/sh/boards/hp6xx/hp6xx_apm.c Kristoffer Ericson 2008-03-04 49 info->time = (2 * battery); 8b03c040e4efaa arch/sh/boards/hp6xx/hp6xx_apm.c Kristoffer Ericson 2008-03-04 50 0a9b0db19262db arch/sh/boards/hp6xx/hp6xx_apm.c Paul Mundt 2007-01-24 51 info->ac_line_status = (battery > HP680_BATTERY_AC_ON) ? 3aa770e7972723 arch/sh/boards/hp6xx/hp6xx_apm.c Andriy Skulysh 2006-09-27 52 APM_AC_ONLINE : APM_AC_OFFLINE; 3aa770e7972723 arch/sh/boards/hp6xx/hp6xx_apm.c Andriy Skulysh 2006-09-27 53 9d56dd3b083a3b arch/sh/boards/mach-hp6xx/hp6xx_apm.c Paul Mundt 2010-01-26 54 pgdr = __raw_readb(PGDR); 3aa770e7972723 arch/sh/boards/hp6xx/hp6xx_apm.c Andriy Skulysh 2006-09-27 55 if (pgdr & PGDR_MAIN_BATTERY_OUT) { 0a9b0db19262db arch/sh/boards/hp6xx/hp6xx_apm.c Paul Mundt 2007-01-24 56 info->battery_status = APM_BATTERY_STATUS_NOT_PRESENT; 0a9b0db19262db arch/sh/boards/hp6xx/hp6xx_apm.c Paul Mundt 2007-01-24 57 info->battery_flag = 0x80; 3aa770e7972723 arch/sh/boards/hp6xx/hp6xx_apm.c Andriy Skulysh 2006-09-27 58 } else if (charging < 8) { 0a9b0db19262db arch/sh/boards/hp6xx/hp6xx_apm.c Paul Mundt 2007-01-24 59 info->battery_status = APM_BATTERY_STATUS_CHARGING; 0a9b0db19262db arch/sh/boards/hp6xx/hp6xx_apm.c Paul Mundt 2007-01-24 60 info->battery_flag = 0x08; 8b03c040e4efaa arch/sh/boards/hp6xx/hp6xx_apm.c Kristoffer Ericson 2008-03-04 61 info->ac_line_status = 0x01; 3aa770e7972723 arch/sh/boards/hp6xx/hp6xx_apm.c Andriy Skulysh 2006-09-27 62 } else if (percentage <= APM_CRITICAL) { 0a9b0db19262db arch/sh/boards/hp6xx/hp6xx_apm.c Paul Mundt 2007-01-24 63 info->battery_status = APM_BATTERY_STATUS_CRITICAL; 0a9b0db19262db arch/sh/boards/hp6xx/hp6xx_apm.c Paul Mundt 2007-01-24 64 info->battery_flag = 0x04; 3aa770e7972723 arch/sh/boards/hp6xx/hp6xx_apm.c Andriy Skulysh 2006-09-27 65 } else if (percentage <= APM_LOW) { 0a9b0db19262db arch/sh/boards/hp6xx/hp6xx_apm.c Paul Mundt 2007-01-24 66 info->battery_status = APM_BATTERY_STATUS_LOW; 0a9b0db19262db arch/sh/boards/hp6xx/hp6xx_apm.c Paul Mundt 2007-01-24 67 info->battery_flag = 0x02; 3aa770e7972723 arch/sh/boards/hp6xx/hp6xx_apm.c Andriy Skulysh 2006-09-27 68 } else { 0a9b0db19262db arch/sh/boards/hp6xx/hp6xx_apm.c Paul Mundt 2007-01-24 69 info->battery_status = APM_BATTERY_STATUS_HIGH; 0a9b0db19262db arch/sh/boards/hp6xx/hp6xx_apm.c Paul Mundt 2007-01-24 70 info->battery_flag = 0x01; 3aa770e7972723 arch/sh/boards/hp6xx/hp6xx_apm.c Andriy Skulysh 2006-09-27 71 } 3aa770e7972723 arch/sh/boards/hp6xx/hp6xx_apm.c Andriy Skulysh 2006-09-27 72 } 3aa770e7972723 arch/sh/boards/hp6xx/hp6xx_apm.c Andriy Skulysh 2006-09-27 73 :::::: The code at line 32 was first introduced by commit :::::: 0a9b0db19262dbb09f3a34195e68cafd5dc3fa10 [APM] SH: Convert to use shared APM emulation. :::::: TO: Paul Mundt :::::: CC: Ralf Baechle -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki