Otherwise its failed to pass basic compile test on platform without REGMAP_MMIO selected by defconfig make -j$(nproc) ARCH=mips CROSS_COMPILE=mips64el-linux-gnuabi64- SYNC include/config/auto.conf.cmd Checking missing-syscalls for N32 CALL scripts/checksyscalls.sh Checking missing-syscalls for O32 CALL scripts/checksyscalls.sh CALL scripts/checksyscalls.sh MODPOST Module.symvers ERROR: modpost: "__devm_regmap_init_mmio_clk" [drivers/gpu/drm/ingenic/ingenic-drm.ko] undefined! make[1]: *** [scripts/Makefile.modpost:136: Module.symvers] Error 1 make: *** [Makefile:1978: modpost] Error 2 Signed-off-by: Sui Jingfeng <suijingfeng@xxxxxxxxxxx> --- drivers/gpu/drm/ingenic/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/ingenic/Kconfig b/drivers/gpu/drm/ingenic/Kconfig index a53f475d33df..7457c0b65034 100644 --- a/drivers/gpu/drm/ingenic/Kconfig +++ b/drivers/gpu/drm/ingenic/Kconfig @@ -5,6 +5,8 @@ config DRM_INGENIC depends on CMA depends on OF depends on COMMON_CLK + select REGMAP + select REGMAP_MMIO select DRM_BRIDGE select DRM_PANEL_BRIDGE select DRM_KMS_HELPER -- 2.25.1