From: kernel test robot <lkp@intel.com>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: [ardb:for-kernelci 2/4] drivers/rtc/rtc-efi.c:151:21: warning: unused variable 'rtc'
Date: Fri, 11 Jul 2025 22:10:05 +0800 [thread overview]
Message-ID: <202507112141.qUTkwckc-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git for-kernelci
head: 2b69cc853cfd5d483e48785735ee845d3bffde85
commit: 1dcb6fdcd10617262528f945a11852fb4aee9197 [2/4] efi-rtc: Remove wakeup functionality
config: arm-randconfig-004-20250711 (https://download.01.org/0day-ci/archive/20250711/202507112141.qUTkwckc-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250711/202507112141.qUTkwckc-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507112141.qUTkwckc-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/rtc/rtc-efi.c:151:21: warning: unused variable 'rtc' [-Wunused-variable]
151 | struct rtc_device *rtc = dev_get_drvdata(dev);
| ^~~
1 warning generated.
vim +/rtc +151 drivers/rtc/rtc-efi.c
5e3fd9e5810f14 dann frazier 2009-03-31 146
501385f2a783c0 Geliang Tang 2015-11-07 147 static int efi_procfs(struct device *dev, struct seq_file *seq)
501385f2a783c0 Geliang Tang 2015-11-07 148 {
1dcb6fdcd10617 Ard Biesheuvel 2025-07-11 149 efi_time_t eft;
501385f2a783c0 Geliang Tang 2015-11-07 150 efi_time_cap_t cap;
101ca8d05913b7 Shanker Donthineni 2023-01-02 @151 struct rtc_device *rtc = dev_get_drvdata(dev);
501385f2a783c0 Geliang Tang 2015-11-07 152
501385f2a783c0 Geliang Tang 2015-11-07 153 memset(&eft, 0, sizeof(eft));
501385f2a783c0 Geliang Tang 2015-11-07 154 memset(&cap, 0, sizeof(cap));
501385f2a783c0 Geliang Tang 2015-11-07 155
501385f2a783c0 Geliang Tang 2015-11-07 156 efi.get_time(&eft, &cap);
501385f2a783c0 Geliang Tang 2015-11-07 157
501385f2a783c0 Geliang Tang 2015-11-07 158 seq_printf(seq,
501385f2a783c0 Geliang Tang 2015-11-07 159 "Time\t\t: %u:%u:%u.%09u\n"
501385f2a783c0 Geliang Tang 2015-11-07 160 "Date\t\t: %u-%u-%u\n"
501385f2a783c0 Geliang Tang 2015-11-07 161 "Daylight\t: %u\n",
501385f2a783c0 Geliang Tang 2015-11-07 162 eft.hour, eft.minute, eft.second, eft.nanosecond,
501385f2a783c0 Geliang Tang 2015-11-07 163 eft.year, eft.month, eft.day,
501385f2a783c0 Geliang Tang 2015-11-07 164 eft.daylight);
501385f2a783c0 Geliang Tang 2015-11-07 165
501385f2a783c0 Geliang Tang 2015-11-07 166 if (eft.timezone == EFI_UNSPECIFIED_TIMEZONE)
501385f2a783c0 Geliang Tang 2015-11-07 167 seq_puts(seq, "Timezone\t: unspecified\n");
501385f2a783c0 Geliang Tang 2015-11-07 168 else
501385f2a783c0 Geliang Tang 2015-11-07 169 /* XXX fixme: convert to string? */
501385f2a783c0 Geliang Tang 2015-11-07 170 seq_printf(seq, "Timezone\t: %u\n", eft.timezone);
501385f2a783c0 Geliang Tang 2015-11-07 171
501385f2a783c0 Geliang Tang 2015-11-07 172 /*
501385f2a783c0 Geliang Tang 2015-11-07 173 * now prints the capabilities
501385f2a783c0 Geliang Tang 2015-11-07 174 */
501385f2a783c0 Geliang Tang 2015-11-07 175 seq_printf(seq,
501385f2a783c0 Geliang Tang 2015-11-07 176 "Resolution\t: %u\n"
501385f2a783c0 Geliang Tang 2015-11-07 177 "Accuracy\t: %u\n"
501385f2a783c0 Geliang Tang 2015-11-07 178 "SetstoZero\t: %u\n",
501385f2a783c0 Geliang Tang 2015-11-07 179 cap.resolution, cap.accuracy, cap.sets_to_zero);
501385f2a783c0 Geliang Tang 2015-11-07 180
501385f2a783c0 Geliang Tang 2015-11-07 181 return 0;
501385f2a783c0 Geliang Tang 2015-11-07 182 }
501385f2a783c0 Geliang Tang 2015-11-07 183
:::::: The code at line 151 was first introduced by commit
:::::: 101ca8d05913b7d1e6e8b9dd792193d4082fff86 rtc: efi: Enable SET/GET WAKEUP services as optional
:::::: TO: Shanker Donthineni <sdonthineni@nvidia.com>
:::::: CC: Alexandre Belloni <alexandre.belloni@bootlin.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-07-11 14:10 UTC|newest]
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