Hi Sudeep, I love your patch! Yet something to improve: [auto build test ERROR on clk/clk-next] [also build test ERROR on rockchip/for-next shawnguo/for-next soc/for-next linus/master v5.8-rc4 next-20200707] [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/Sudeep-Holla/firmware-arm_scmi-K... base: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next config: sparc-allyesconfig (attached as .config) compiler: sparc64-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=sparc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/clk/clk-scmi.c: In function 'scmi_clk_ops_init': 126 | min_rate = sclk->info->list.rates[0] | ^ | ; 127 | max_rate = sclk->info->list.rates[num_rates - 1]; | ~~~~~~~~ vim +126 drivers/clk/clk-scmi.c 102 103 static int scmi_clk_ops_init(struct device *dev, struct scmi_clk *sclk) 104 { 105 int ret; 106 unsigned long min_rate, max_rate; 107 108 struct clk_init_data init = { 109 .flags = CLK_GET_RATE_NOCACHE, 110 .num_parents = 0, 111 .ops = &scmi_clk_ops, 112 .name = sclk->info->name, 113 }; 114 115 sclk->hw.init = &init; 116 ret = devm_clk_hw_register(dev, &sclk->hw); 117 if (ret) 118 return ret; 119 120 if (sclk->info->rate_discrete) { 121 int num_rates = sclk->info->list.num_rates; 122 123 if (num_rates <= 0) 124 return -EINVAL; 125 127 max_rate = sclk->info->list.rates[num_rates - 1]; 128 } else { 129 min_rate = sclk->info->range.min_rate; 130 max_rate = sclk->info->range.max_rate; 131 } 132 133 clk_hw_set_rate_range(&sclk->hw, min_rate, max_rate); 134 return ret; 135 } 136 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org