tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 8d2f09e210f079f53eb6c1ba1ef639d73a17d61b commit: 708663738592c63da3c851ed86ce6c084409f6c8 [1505/23347] spi: add ACPI support for SPI controller chip select lines(cs-gpios) config: x86_64-randconfig-001-20240722 (https://download.01.org/0day-ci/archive/20240723/202407230136.x5FmFlxg-lkp@i...) compiler: gcc-8 (Ubuntu 8.4.0-3ubuntu2) 8.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240723/202407230136.x5FmFlxg-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/202407230136.x5FmFlxg-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/spi/spi.c: In function '__spi_register_controller':

...

drivers/spi/spi.c:2040:7: error: implicit declaration of function 'gpiod_count'; did you mean 'cpuid_count'? [-Werror=implicit-function-declaration] nb = gpiod_count(&ctlr->dev, "cs"); ^~~~~~~~~~~ cpuid_count drivers/spi/spi.c:2064:11: error: implicit declaration of function 'devm_gpiod_get_index'; did you mean 'devm_gpio_free'? [-Werror=implicit-function-declaration] desc = devm_gpiod_get_index(&ctlr->dev, "cs", ^~~~~~~~~~~~~~~~~~~~ devm_gpio_free drivers/spi/spi.c:2065:14: error: 'GPIOD_ASIS' undeclared (first use in this function); did you mean 'GPIOF_IN'? i, GPIOD_ASIS); ^~~~~~~~~~ GPIOF_IN drivers/spi/spi.c:2065:14: note: each undeclared identifier is reported only once for each function it appears in drivers/spi/spi.c:2068:12: error: implicit declaration of function 'desc_to_gpio'; did you mean 'irq_to_gpio'? [-Werror=implicit-function-declaration] cs[i] = desc_to_gpio(desc); ^~~~~~~~~~~~ irq_to_gpio drivers/spi/spi.c: In function 'spi_unregister_controller': drivers/spi/spi.c:2306:6: warning: variable 'dummy' set but not used [-Wunused-but-set-variable] int dummy; ^~~~~ cc1: some warnings being treated as errors

vim +2040 drivers/spi/spi.c 2033 2034 static int __spi_register_controller(struct spi_controller *ctlr) 2035 { 2036 int nb, i, *cs; 2037 struct device_node *np = ctlr->dev.of_node; 2038 struct gpio_desc *desc; 2039

2040 nb = gpiod_count(&ctlr->dev, "cs"); 2041 ctlr->num_chipselect = max_t(int, nb, ctlr->num_chipselect); 2042 2043 /* Return error only for an incorrectly formed cs-gpios property */ 2044 if (nb == 0 || nb == -ENOENT) 2045 return 0; 2046 else if (nb < 0) 2047 return nb; 2048 2049 cs = devm_kcalloc(&ctlr->dev, ctlr->num_chipselect, sizeof(int), 2050 GFP_KERNEL); 2051 ctlr->cs_gpios = cs; 2052 2053 if (!ctlr->cs_gpios) 2054 return -ENOMEM; 2055 2056 for (i = 0; i < ctlr->num_chipselect; i++) 2057 cs[i] = -ENOENT; 2058 2059 if (IS_ENABLED(CONFIG_OF) && np) { 2060 for (i = 0; i < nb; i++) 2061 cs[i] = of_get_named_gpio(np, "cs-gpios", i); 2062 } else if (IS_ENABLED(CONFIG_ACPI) && ACPI_HANDLE(&ctlr->dev)) { 2063 for (i = 0; i < nb; i++) { 2064 desc = devm_gpiod_get_index(&ctlr->dev, "cs", 2065 i, GPIOD_ASIS); 2066 if (IS_ERR(desc)) 2067 continue; 2068 cs[i] = desc_to_gpio(desc); 2069 } 2070 } 2071 return 0; 2072 } 2073

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