Hi Théo, kernel test robot noticed the following build errors: [auto build test ERROR on f2661062f16b2de5d7b6a5c42a9a5c96326b8454] url: https://github.com/intel-lab-lkp/linux/commits/Th-o-Lebrun/Revert-dt-bindings-clock-mobileye-eyeq5-clk-add-bindings/20240704-211515 base: f2661062f16b2de5d7b6a5c42a9a5c96326b8454 patch link: https://lore.kernel.org/r/20240703-mbly-clk-v2-4-fe8c6199a579%40bootlin.com patch subject: [PATCH v2 4/4] clk: eyeq: add driver config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20240705/202407050921.S41aCBdD-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project a0c6b8aef853eedaa0980f07c0a502a5a8a9740e) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240705/202407050921.S41aCBdD-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/202407050921.S41aCBdD-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/clk/clk-eyeq.c:30: In file included from include/linux/io.h:14: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 548 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ^ In file included from drivers/clk/clk-eyeq.c:30: In file included from include/linux/io.h:14: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ^ In file included from drivers/clk/clk-eyeq.c:30: In file included from include/linux/io.h:14: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 585 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ >> drivers/clk/clk-eyeq.c:264:9: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 264 | val = readq(priv->base + pll->reg64); | ^ drivers/clk/clk-eyeq.c:724:9: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 724 | val = readq(base + pll->reg64); | ^ 6 warnings and 2 errors generated. vim +/readq +264 drivers/clk/clk-eyeq.c 249 250 static void eqc_probe_init_plls(struct device *dev, struct eqc_priv *priv) 251 { 252 const struct eqc_match_data *data = priv->data; 253 unsigned long mult, div, acc; 254 const struct eqc_pll *pll; 255 struct clk_hw *hw; 256 unsigned int i; 257 u32 r0, r1; 258 u64 val; 259 int ret; 260 261 for (i = 0; i < data->pll_count; i++) { 262 pll = &data->plls[i]; 263 > 264 val = readq(priv->base + pll->reg64); 265 r0 = val; 266 r1 = val >> 32; 267 268 ret = eqc_pll_parse_registers(r0, r1, &mult, &div, &acc); 269 if (ret) { 270 dev_warn(dev, "failed parsing state of %s\n", pll->name); 271 priv->cells->hws[pll->index] = ERR_PTR(ret); 272 continue; 273 } 274 275 hw = clk_hw_register_fixed_factor_with_accuracy_fwname(dev, 276 dev->of_node, pll->name, "ref", 0, mult, div, acc); 277 priv->cells->hws[pll->index] = hw; 278 if (IS_ERR(hw)) 279 dev_warn(dev, "failed registering %s: %pe\n", pll->name, hw); 280 } 281 } 282 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
