Hi Peng, kernel test robot noticed the following build errors: [auto build test ERROR on ad5c60d66016e544c51ed98635a74073f761f45d] url: https://github.com/intel-lab-lkp/linux/commits/Peng-Fan-OSS/dt-bindings-mailbox-fsl-mu-add-i-MX95-Generic-ELE-V2X-MU-compatible/20240122-100424 base: ad5c60d66016e544c51ed98635a74073f761f45d patch link: https://lore.kernel.org/r/20240122-imx-mailbox-v1-2-81413f655210%40nxp.com patch subject: [PATCH 2/3] mailbox: imx: get RR/TR registers num from Parameter register config: i386-buildonly-randconfig-003-20240123 (https://download.01.org/0day-ci/archive/20240123/202401231557.HLHet6y7-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240123/202401231557.HLHet6y7-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/202401231557.HLHet6y7-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/mailbox/imx-mailbox.c: In function 'imx_mu_get_tr_rr': >> drivers/mailbox/imx-mailbox.c:749:32: error: implicit declaration of function 'FIELD_GET' [-Werror=implicit-function-declaration] 749 | priv->num_tr = FIELD_GET(IMX_MU_V2_TR_MASK, val); | ^~~~~~~~~ cc1: some warnings being treated as errors vim +/FIELD_GET +749 drivers/mailbox/imx-mailbox.c 742 743 static void imx_mu_get_tr_rr(struct imx_mu_priv *priv) 744 { 745 u32 val; 746 747 if (priv->dcfg->type & IMX_MU_V2) { 748 val = imx_mu_read(priv, IMX_MU_V2_PAR_OFF); > 749 priv->num_tr = FIELD_GET(IMX_MU_V2_TR_MASK, val); 750 priv->num_rr = FIELD_GET(IMX_MU_V2_RR_MASK, val); 751 } else { 752 priv->num_tr = 4; 753 priv->num_rr = 4; 754 } 755 } 756 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki