Hi Uwe, kernel test robot noticed the following build warnings: [auto build test WARNING on bbd220ce4e29ed55ab079007cff0b550895258eb] url: https://github.com/intel-lab-lkp/linux/commits/Uwe-Kleine-K-nig/PM-devfreq-sun8i-a33-mbus-Simplify-usage-of-clk_rate_exclusive_get/20231213-012823 base: bbd220ce4e29ed55ab079007cff0b550895258eb patch link: https://lore.kernel.org/r/1b4321a975ac1a903a0c816ef2cce80e7d75eae3.1702400947.git.u.kleine-koenig%40pengutronix.de patch subject: [PATCH 3/5] memory: tegra210-emc: Simplify usage of clk_rate_exclusive_get() config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20231215/202312152014.NrQUsmxR-lkp@xxxxxxxxx/config) compiler: s390-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231215/202312152014.NrQUsmxR-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/202312152014.NrQUsmxR-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/memory/tegra/tegra210-emc-core.c: In function 'tegra210_emc_suspend': >> drivers/memory/tegra/tegra210-emc-core.c:2002:13: warning: unused variable 'err' [-Wunused-variable] 2002 | int err; | ^~~ vim +/err +2002 drivers/memory/tegra/tegra210-emc-core.c 10de21148f7d28 Joseph Lo 2019-05-29 1998 10de21148f7d28 Joseph Lo 2019-05-29 1999 static int __maybe_unused tegra210_emc_suspend(struct device *dev) 10de21148f7d28 Joseph Lo 2019-05-29 2000 { 10de21148f7d28 Joseph Lo 2019-05-29 2001 struct tegra210_emc *emc = dev_get_drvdata(dev); 10de21148f7d28 Joseph Lo 2019-05-29 @2002 int err; 10de21148f7d28 Joseph Lo 2019-05-29 2003 53a616302fe1b2 Uwe Kleine-König 2023-12-12 2004 clk_rate_exclusive_get(emc->clk); 10de21148f7d28 Joseph Lo 2019-05-29 2005 10de21148f7d28 Joseph Lo 2019-05-29 2006 emc->resume_rate = clk_get_rate(emc->clk); 10de21148f7d28 Joseph Lo 2019-05-29 2007 10de21148f7d28 Joseph Lo 2019-05-29 2008 clk_set_rate(emc->clk, 204000000); 10de21148f7d28 Joseph Lo 2019-05-29 2009 tegra210_clk_emc_detach(emc->clk); 10de21148f7d28 Joseph Lo 2019-05-29 2010 10de21148f7d28 Joseph Lo 2019-05-29 2011 dev_dbg(dev, "suspending at %lu Hz\n", clk_get_rate(emc->clk)); 10de21148f7d28 Joseph Lo 2019-05-29 2012 10de21148f7d28 Joseph Lo 2019-05-29 2013 return 0; 10de21148f7d28 Joseph Lo 2019-05-29 2014 } 10de21148f7d28 Joseph Lo 2019-05-29 2015 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
