Hi Chris, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on platform-drivers-x86/for-next] [also build test WARNING on linus/master v5.14-rc5] [cannot apply to next-20210813] [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] url: https://github.com/0day-ci/linux/commits/Chris-Blake/platform-x86-add-mer... base: git://git.infradead.org/linux-platform-drivers-x86.git for-next config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/06f3007cbc04cda6358255a16fa3dc49a... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Chris-Blake/platform-x86-add-meraki-mx100-platform-driver/20210810-084154 git checkout 06f3007cbc04cda6358255a16fa3dc49a9a8ce3e # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/platform/x86/meraki-mx100.c: In function 'tink_board_init': 197 | ret = ERR_PTR(tink_leds_pdev); | ^~~~~~~~~~~~~~ | | | struct platform_device * In file included from include/linux/kernfs.h:10, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/dmi.h:6, from drivers/platform/x86/meraki-mx100.c:16: include/linux/err.h:24:48: note: expected 'long int' but argument is of type 'struct platform_device *' 24 | static inline void * __must_check ERR_PTR(long error) | ~~~~~^~~~~ 197 | ret = ERR_PTR(tink_leds_pdev); | ^ drivers/platform/x86/meraki-mx100.c:204:17: warning: passing argument 1 of 'ERR_PTR' makes integer from pointer without a cast [-Wint-conversion] 204 | ret = ERR_PTR(tink_keys_pdev); | ^~~~~~~~~~~~~~ | | | struct platform_device * In file included from include/linux/kernfs.h:10, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/dmi.h:6, from drivers/platform/x86/meraki-mx100.c:16: include/linux/err.h:24:48: note: expected 'long int' but argument is of type 'struct platform_device *' 24 | static inline void * __must_check ERR_PTR(long error) | ~~~~~^~~~~ drivers/platform/x86/meraki-mx100.c:204:7: warning: assignment to 'int' from 'void *' makes integer from pointer without a cast [-Wint-conversion] 204 | ret = ERR_PTR(tink_keys_pdev); | ^ vim +/ERR_PTR +197 drivers/platform/x86/meraki-mx100.c 176 177 static int __init tink_board_init(void) 178 { 179 int ret = 0; 180 181 if (!dmi_first_match(tink_systems)) 182 return -ENODEV; 183 184 /* 185 * We need to make sure that GPIO60 isn't set to native mode as is default since it's our 186 * Reset Button. To do this, write to GPIO_USE_SEL2 to have GPIO60 set to GPIO mode. 187 * This is documented on page 1609 of the PCH datasheet, order number 327879-005US 188 */ 189 outl(inl(0x530) | BIT(28), 0x530); 190 191 gpiod_add_lookup_table(&tink_leds_table); 192 gpiod_add_lookup_table(&tink_keys_table); 193 194 tink_leds_pdev = tink_create_dev("leds-gpio", 195 &tink_leds_pdata, sizeof(tink_leds_pdata)); 196 if (IS_ERR(tink_leds_pdev)) { 198 goto err; 199 } 200 201 tink_keys_pdev = tink_create_dev("gpio-keys-polled", 202 &tink_buttons_pdata, sizeof(tink_buttons_pdata)); 203 if (IS_ERR(tink_keys_pdev)) { 204 ret = ERR_PTR(tink_keys_pdev); 205 platform_device_unregister(tink_leds_pdev); 206 goto err; 207 } 208 209 return ret; 210 211 err: 212 gpiod_remove_lookup_table(&tink_keys_table); 213 gpiod_remove_lookup_table(&tink_leds_table); 214 return ret; 215 } 216 module_init(tink_board_init); 217 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org