tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 3016126ef302b602feaa8a7b99e4f85987536d65 commit: bdc031294c4d4fd6326f9460ceedd37fa1d79195 [3638/3684] i2c: hisi: Add gpio bus recovery support config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20240301/202403010757.Yy3swMx9-lkp@i...) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project edd4aee4dd9b5b98b2576a6f783e4086173d902a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240301/202403010757.Yy3swMx9-lkp@i...)

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@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202403010757.Yy3swMx9-lkp@intel.com/

All warnings (new ones prefixed by >>):

...

drivers/i2c/busses/i2c-hisi.c:476: warning: expecting prototype for i2c_dw_acpi_pin_mux_change(). Prototype was for i2c_hisi_pin_mux_change() instead

vim +476 drivers/i2c/busses/i2c-hisi.c

465 466 /** 467 * i2c_dw_acpi_pin_mux_change - Change the I2C controller's pin mux through ACPI 468 * @dev: device owns the SCL/SDA pin 469 * @to_gpio: true to switch to GPIO, false to switch to SCL/SDA 470 * 471 * The function invokes the specific ACPI method "PMUX" for changing the 472 * pin mux of I2C controller between SCL/SDA and GPIO in order to help on 473 * the generic GPIO recovery process. 474 */ 475 static void i2c_hisi_pin_mux_change(struct device *dev, bool to_gpio)

476 {

477 acpi_handle handle = ACPI_HANDLE(dev); 478 struct acpi_object_list arg_list; 479 unsigned long long data; 480 union acpi_object arg; 481 482 arg.type = ACPI_TYPE_INTEGER; 483 arg.integer.value = to_gpio; 484 arg_list.count = 1; 485 arg_list.pointer = &arg; 486 487 acpi_evaluate_integer(handle, HISI_I2C_PIN_MUX_METHOD, &arg_list, &data); 488 } 489