Hi Michael, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on net/master ipvs/master net-next/master v5.12-rc3 next-20210319] [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/Michael-Tretter/net-phy-dp83867-... base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: x86_64-randconfig-s031-20210318 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-277-gc089cd2d-dirty # https://github.com/0day-ci/linux/commit/740c2de62bc36c66a54a8c152a65ae2eb... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Michael-Tretter/net-phy-dp83867-Configure-LED-modes-via-device-tree/20210320-000027 git checkout 740c2de62bc36c66a54a8c152a65ae2ebf805515 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/net/phy/dp83867.c:550:49: sparse: expected unsigned int [usertype] *out_value drivers/net/phy/dp83867.c:550:49: sparse: got unsigned int [usertype] tmp vim +550 drivers/net/phy/dp83867.c 538 539 #if IS_ENABLED(CONFIG_OF_MDIO) 540 static int dp83867_of_led_mode_read(struct device_node *of_node, 541 const char *led_name, u32 *mode) 542 { 543 u32 tmp; 544 int index; 545 int err; 546 547 index = of_property_match_string(of_node, "ti,dp83867-led-mode-names", 548 led_name); 549 err = of_property_read_u32_index(of_node, "ti,dp83867-led-modes", 551 if (err) 552 return err; 553 if (tmp == 0xc || tmp >= 0xf) 554 return -EINVAL; 555 556 *mode = tmp; 557 558 return 0; 559 } 560 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org