#> make ARCH=arm uImage
CHK include/linux/version.h
CHK include/generated/utsrelease.h
make[1]: `include/generated/mach-types.h' is up to date.
CALL scripts/checksyscalls.sh
CHK include/generated/compile.h
CHK kernel/config_data.h
CC drivers/char/xilinx_devcfg.o
drivers/char/xilinx_devcfg.c: In function 'xdevcfg_drv_probe':
drivers/char/xilinx_devcfg.c:1504:2: error: implicit declaration of function 'of_get_next_parent' [-Werror=implicit-function-declaration]
drivers/char/xilinx_devcfg.c:1504:5: warning: assignment makes pointer from integer without a cast [enabled by default]
drivers/char/xilinx_devcfg.c:1505:5: warning: assignment makes pointer from integer without a cast [enabled by default]


これはどのように解決したらよいでしょうか。