tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: e359bce39d9085ab24eaa0bb0778bb5f6894144a commit: 10c857f063fc63902160755a6e23fa594290c6d3 pinctrl: cherryview: Switch to use intel_pinctrl_get_soc_data() date: 8 months ago config: x86_64-randconfig-a005-20210426 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 87fc97169e7901dfe56ca0da0d92da0c02d2ef48) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=10c857f063fc63902160755a6e23fa594290c6d3 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 10c857f063fc63902160755a6e23fa594290c6d3 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/pinctrl/intel/pinctrl-intel.c:1663:14: warning: variable 'dummy' set but not used [-Wunused-but-set-variable] const char *dummy; ^ 1 warning generated. vim +/dummy +1663 drivers/pinctrl/intel/pinctrl-intel.c a0a5f7661e1c49 Chris Chiu 2019-04-15 1656 7101e022523bfb Andy Shevchenko 2019-10-22 1657 static void intel_restore_hostown(struct intel_pinctrl *pctrl, unsigned int c, 7101e022523bfb Andy Shevchenko 2019-10-22 1658 void __iomem *base, unsigned int gpp, u32 saved) 7101e022523bfb Andy Shevchenko 2019-10-22 1659 { 7101e022523bfb Andy Shevchenko 2019-10-22 1660 const struct intel_community *community = &pctrl->communities[c]; 7101e022523bfb Andy Shevchenko 2019-10-22 1661 const struct intel_padgroup *padgrp = &community->gpps[gpp]; 7101e022523bfb Andy Shevchenko 2019-10-22 1662 struct device *dev = pctrl->dev; d1bfd0229ec4de Andy Shevchenko 2020-06-10 @1663 const char *dummy; d1bfd0229ec4de Andy Shevchenko 2020-06-10 1664 u32 requested = 0; d1bfd0229ec4de Andy Shevchenko 2020-06-10 1665 unsigned int i; 7101e022523bfb Andy Shevchenko 2019-10-22 1666 e5a4ab6a55e230 Andy Shevchenko 2020-04-13 1667 if (padgrp->gpio_base == INTEL_GPIO_BASE_NOMAP) 7101e022523bfb Andy Shevchenko 2019-10-22 1668 return; 7101e022523bfb Andy Shevchenko 2019-10-22 1669 d1bfd0229ec4de Andy Shevchenko 2020-06-10 1670 for_each_requested_gpio_in_range(&pctrl->chip, i, padgrp->gpio_base, padgrp->size, dummy) d1bfd0229ec4de Andy Shevchenko 2020-06-10 1671 requested |= BIT(i); d1bfd0229ec4de Andy Shevchenko 2020-06-10 1672 942c5ea49ffbe2 Andy Shevchenko 2019-10-22 1673 if (!intel_gpio_update_reg(base + gpp * 4, requested, saved)) 7101e022523bfb Andy Shevchenko 2019-10-22 1674 return; 7101e022523bfb Andy Shevchenko 2019-10-22 1675 764cfe33517f7c Andy Shevchenko 2019-10-22 1676 dev_dbg(dev, "restored hostown %u/%u %#08x\n", c, gpp, readl(base + gpp * 4)); 7101e022523bfb Andy Shevchenko 2019-10-22 1677 } 7101e022523bfb Andy Shevchenko 2019-10-22 1678 :::::: The code at line 1663 was first introduced by commit :::::: d1bfd0229ec4deb53e61f95c050b524152fd0d9e pinctrl: intel: Make use of for_each_requested_gpio_in_range() :::::: TO: Andy Shevchenko :::::: CC: Andy Shevchenko --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org