Hi Ryan, kernel test robot noticed the following build errors: [auto build test ERROR on andi-shyti/i2c/i2c-host] [also build test ERROR on linus/master v6.11-rc4 next-20240819] [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-i2cv2/20240819-173106 base: https://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux.git i2c/i2c-host patch link: https://lore.kernel.org/r/20240819092850.1590758-3-ryan_chen%40aspeedtech.com patch subject: [PATCH v13 2/3] i2c: aspeed: support AST2600 i2c new register mode driver config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20240819/202408192327.nZeNynmO-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240819/202408192327.nZeNynmO-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/202408192327.nZeNynmO-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/i2c/busses/i2c-ast2600.c: In function 'ast2600_i2c_setup_buff_tx': >> drivers/i2c/busses/i2c-ast2600.c:442:46: error: implicit declaration of function 'get_unaligned_le32' [-Wimplicit-function-declaration] 442 | wbuf_dword = get_unaligned_le32(wbuf); | ^~~~~~~~~~~~~~~~~~ vim +/get_unaligned_le32 +442 drivers/i2c/busses/i2c-ast2600.c 411 412 static int ast2600_i2c_setup_buff_tx(u32 cmd, struct ast2600_i2c_bus *i2c_bus) 413 { 414 struct i2c_msg *msg = &i2c_bus->msgs[i2c_bus->msgs_index]; 415 u32 wbuf_dword; 416 int xfer_len; 417 u8 wbuf[4]; 418 int i; 419 420 cmd |= AST2600_I2CM_PKT_EN; 421 xfer_len = msg->len - i2c_bus->master_xfer_cnt; 422 if (xfer_len > i2c_bus->buf_size) { 423 xfer_len = i2c_bus->buf_size; 424 } else { 425 if (i2c_bus->msgs_index + 1 == i2c_bus->msgs_count) 426 cmd |= AST2600_I2CM_STOP_CMD; 427 } 428 429 if (cmd & AST2600_I2CM_START_CMD) 430 cmd |= AST2600_I2CM_PKT_ADDR(msg->addr); 431 432 if (xfer_len) { 433 cmd |= AST2600_I2CM_TX_BUFF_EN | AST2600_I2CM_TX_CMD; 434 /* 435 * The controller's buffer register supports dword writes only. 436 * Therefore, write dwords to the buffer register in a 4-byte aligned, 437 * and write the remaining unaligned data at the end. 438 */ 439 for (i = 0; i < xfer_len; i++) { 440 wbuf[i % 4] = msg->buf[i2c_bus->master_xfer_cnt + i]; 441 if ((i % 4) == 3 || i == xfer_len - 1) { > 442 wbuf_dword = get_unaligned_le32(wbuf); 443 writel(wbuf_dword, i2c_bus->buf_base + i - (i % 4)); 444 } 445 } 446 447 writel(AST2600_I2CC_SET_TX_BUF_LEN(xfer_len), 448 i2c_bus->reg_base + AST2600_I2CC_BUFF_CTRL); 449 } 450 451 writel(cmd, i2c_bus->reg_base + AST2600_I2CM_CMD_STS); 452 453 return 0; 454 } 455 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
