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charset=us-ascii tree: https://github.com/intel-lab-lkp/linux/commits/Gr-goire-Layet/dt-bindings-serial-8250-aspeed-add-ast2600-and-aspeed-vuart-over-pci/20260818-102914 head: 28e6fa9a9ae89ef5b7ad92e1df59fea67a5f7c0d commit: 98949d2e1e8bfc6849ee8ee049efd883ddd970ba serial: 8250_aspeed_vuart: add VUART over PCI date: 34 hours ago config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20260822/202608220207.eiTRxzFs-lkp@intel.com/config) compiler: powerpc64-linux-gcc (GCC) 16.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260822/202608220207.eiTRxzFs-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202608220207.eiTRxzFs-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/tty/serial/8250/8250_aspeed_vuart.c: In function 'aspeed_ast2600_vuart_over_pci_set_enabled': >> drivers/tty/serial/8250/8250_aspeed_vuart.c:50:17: error: implicit declaration of function 'FIELD_PREP' [-Wimplicit-function-declaration] 50 | FIELD_PREP(ASPEED_SCUC24_MSI_ROUTING_MASK, 2) | ^~~~~~~~~~ drivers/tty/serial/8250/8250_aspeed_vuart.c:480:41: note: in expansion of macro 'ASPEED_SCUC24_MSI_ROUTING_PCIE2LPC_PCIDEV1' 480 | ASPEED_SCUC24_MSI_ROUTING_PCIE2LPC_PCIDEV1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/FIELD_PREP +50 drivers/tty/serial/8250/8250_aspeed_vuart.c 46 47 #define ASPEED_SCUC24 0xC24 48 #define ASPEED_SCUC24_MSI_ROUTING_MASK GENMASK(11, 10) 49 #define ASPEED_SCUC24_MSI_ROUTING_PCIE2LPC_PCIDEV1 \ > 50 FIELD_PREP(ASPEED_SCUC24_MSI_ROUTING_MASK, 2) 51 #define ASPEED_SCUC24_RESERVED_14 BIT(14) 52 #define ASPEED_SCUC24_PCIDEV1_INTX_MSI_SCU560_EN BIT(17) 53 #define ASPEED_SCUC24_PCIDEV1_INTX_MSI_HOST2BMC_EN BIT(18) 54 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki