Quoting zhuyinbo (2023-03-08 18:58:02) > > 在 2023/3/8 下午8:16, kernel test robot 写道: > > Hi Yinbo, > > [...] > > > > drivers/clk/clk-loongson2.c: In function 'loongson2_calc_pll_rate': > >>> drivers/clk/clk-loongson2.c:79:15: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration] > > 79 | val = readq(loongson2_pll_base + offset); > > | ^~~~~ > > | readl > > cc1: some warnings being treated as errors > > The CONFIG_64BIT not enabled in your config file, I will add a depend on > "CONFIG_64BIT" in my clock driver to fix this compile error. Do you need to use readq() here? Can you read two 32-bit registers with readl() and put them together for a 64-bit number?
