Hi Ryan, kernel test robot noticed the following build errors: [auto build test ERROR on v6.11] [cannot apply to andi-shyti/i2c/i2c-host v6.12-rc1 linus/master next-20241004] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ryan-Chen/dt-bindings-i2c-aspeed-support-for-AST2600-i2cv2/20241002-150410 base: v6.11 patch link: https://lore.kernel.org/r/20241002070213.1165263-3-ryan_chen%40aspeedtech.com patch subject: [PATCH v14 2/3] i2c: aspeed: support AST2600 i2c new register mode driver config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20241005/202410051759.bRIS387l-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241005/202410051759.bRIS387l-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/202410051759.bRIS387l-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/i2c/busses/i2c-ast2600.c:437:6: error: call to undeclared function 'get_unaligned_le16'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 437 | get_unaligned_le16(&msg->buf[i2c_bus->master_xfer_cnt + i]); | ^ >> drivers/i2c/busses/i2c-ast2600.c:441:6: error: call to undeclared function 'get_unaligned_le24'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 441 | get_unaligned_le24(&msg->buf[i2c_bus->master_xfer_cnt + i]); | ^ >> drivers/i2c/busses/i2c-ast2600.c:445:6: error: call to undeclared function 'get_unaligned_le32'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 445 | get_unaligned_le32(&msg->buf[i2c_bus->master_xfer_cnt + i]); | ^ 3 errors generated. vim +/get_unaligned_le16 +437 drivers/i2c/busses/i2c-ast2600.c 405 406 static int ast2600_i2c_setup_buff_tx(u32 cmd, struct ast2600_i2c_bus *i2c_bus) 407 { 408 struct i2c_msg *msg = &i2c_bus->msgs[i2c_bus->msgs_index]; 409 u32 wbuf_dword; 410 int xfer_len; 411 int i; 412 413 cmd |= AST2600_I2CM_PKT_EN; 414 xfer_len = msg->len - i2c_bus->master_xfer_cnt; 415 if (xfer_len > i2c_bus->buf_size) 416 xfer_len = i2c_bus->buf_size; 417 else if (i2c_bus->msgs_index + 1 == i2c_bus->msgs_count) 418 cmd |= AST2600_I2CM_STOP_CMD; 419 420 if (cmd & AST2600_I2CM_START_CMD) 421 cmd |= AST2600_I2CM_PKT_ADDR(msg->addr); 422 423 if (xfer_len) { 424 cmd |= AST2600_I2CM_TX_BUFF_EN | AST2600_I2CM_TX_CMD; 425 /* 426 * The controller's buffer register supports dword writes only. 427 * Therefore, write dwords to the buffer register in a 4-byte aligned, 428 * and write the remaining unaligned data at the end. 429 */ 430 for (i = 0; i < xfer_len; i += 4) { 431 switch (min(xfer_len - i, 4) % 4) { 432 case 1: 433 wbuf_dword = msg->buf[i2c_bus->master_xfer_cnt + i]; 434 break; 435 case 2: 436 wbuf_dword = > 437 get_unaligned_le16(&msg->buf[i2c_bus->master_xfer_cnt + i]); 438 break; 439 case 3: 440 wbuf_dword = > 441 get_unaligned_le24(&msg->buf[i2c_bus->master_xfer_cnt + i]); 442 break; 443 default: 444 wbuf_dword = > 445 get_unaligned_le32(&msg->buf[i2c_bus->master_xfer_cnt + i]); 446 break; 447 } 448 writel(wbuf_dword, i2c_bus->buf_base + i); 449 } 450 writel(AST2600_I2CC_SET_TX_BUF_LEN(xfer_len), 451 i2c_bus->reg_base + AST2600_I2CC_BUFF_CTRL); 452 } 453 454 writel(cmd, i2c_bus->reg_base + AST2600_I2CM_CMD_STS); 455 456 return 0; 457 } 458 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
