Hi "周琰杰, Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on clk/clk-next] [also build test WARNING on linux/master linus/master v5.8-rc3 next-20200629] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Zhou-Yanjie/Add-functions-to-operate-USB-PHY-related-clock/20200629-011858 base: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next config: alpha-allyesconfig (attached as .config) compiler: alpha-linux-gcc (GCC) 9.3.0 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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All warnings (new ones prefixed by >>): In file included from arch/alpha/include/asm/bug.h:23, from include/linux/bug.h:5, from include/linux/thread_info.h:12, from include/asm-generic/current.h:5, from ./arch/alpha/include/generated/asm/current.h:1, from include/linux/mutex.h:14, from include/linux/kernfs.h:12, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/of.h:17, from include/linux/clk-provider.h:9, from drivers/clk/ingenic/x1000-cgu.c:7: drivers/clk/ingenic/x1000-cgu.c: In function 'x1000_otg_phy_recalc_rate': include/asm-generic/bug.h:127:34: error: expected expression before ')' token 127 | int __ret_warn_on = !!(condition); \ | ^ >> drivers/clk/ingenic/x1000-cgu.c:83:2: note: in expansion of macro 'WARN' 83 | WARN(); | ^~~~ include/asm-generic/bug.h:88:51: error: expected expression before ')' token 88 | warn_slowpath_fmt(__FILE__, __LINE__, taint, arg); \ | ^ include/asm-generic/bug.h:129:3: note: in expansion of macro '__WARN_printf' 129 | __WARN_printf(TAINT_WARN, format); \ | ^~~~~~~~~~~~~ >> drivers/clk/ingenic/x1000-cgu.c:83:2: note: in expansion of macro 'WARN' 83 | WARN(); | ^~~~ vim +/WARN +83 drivers/clk/ingenic/x1000-cgu.c 62 63 static unsigned long x1000_otg_phy_recalc_rate(struct clk_hw *hw, 64 unsigned long parent_rate) 65 { 66 u32 usbpcr1; 67 unsigned refclk_div; 68 69 usbpcr1 = readl(cgu->base + CGU_REG_USBPCR1); 70 refclk_div = usbpcr1 & USBPCR1_REFCLKDIV_MASK; 71 72 switch (refclk_div) { 73 case USBPCR1_REFCLKDIV_12: 74 return 12000000; 75 76 case USBPCR1_REFCLKDIV_24: 77 return 48000000; 78 79 case USBPCR1_REFCLKDIV_48: 80 return 48000000; 81 } 82 > 83 WARN(); 84 return parent_rate; 85 } 86 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
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