Hi Takashi, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git topic/pm-ops head: 2fe6ffd7c79f740b73533d44de3ae0e542674857 commit: 8c975a919c0e6139ddf3692fa44992364587070c [11/29] ALSA: aaci: Replace with DEFINE_SIMPLE_DEV_PM_OPS() config: arm-randconfig-004-20240127 (https://download.01.org/0day-ci/archive/20240128/202401281542.hlZQZx6m-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240128/202401281542.hlZQZx6m-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/202401281542.hlZQZx6m-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): sound/arm/aaci.c: In function 'aaci_do_suspend': >> sound/arm/aaci.c:742:22: warning: unused variable 'aaci' [-Wunused-variable] 742 | struct aaci *aaci = card->private_data; | ^~~~ vim +/aaci +742 sound/arm/aaci.c cb5a6ffc5c09bc Russell King 2005-05-12 736 cb5a6ffc5c09bc Russell King 2005-05-12 737 /* cb5a6ffc5c09bc Russell King 2005-05-12 738 * Power Management. cb5a6ffc5c09bc Russell King 2005-05-12 739 */ b13a714923fe4d Ulf Hansson 2013-12-03 740 static int aaci_do_suspend(struct snd_card *card) cb5a6ffc5c09bc Russell King 2005-05-12 741 { cb5a6ffc5c09bc Russell King 2005-05-12 @742 struct aaci *aaci = card->private_data; 792a6c51875c9d Takashi Iwai 2005-11-17 743 snd_power_change_state(card, SNDRV_CTL_POWER_D3cold); cb5a6ffc5c09bc Russell King 2005-05-12 744 return 0; cb5a6ffc5c09bc Russell King 2005-05-12 745 } cb5a6ffc5c09bc Russell King 2005-05-12 746 :::::: The code at line 742 was first introduced by commit :::::: cb5a6ffc5c09bc354af69407dae710dcddcced37 [ALSA] ARM AACI primecell driver :::::: TO: Russell King <rmk@xxxxxxxxxxxxxxxx> :::::: CC: Jaroslav Kysela <perex@xxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
