#include #if KERNEL_VERSION(5, 14, 0) == LINUX_VERSION_CODE #include "core/generic/5.14/regmap-mmio.c" #elif KERNEL_VERSION(4, 19, 0) == LINUX_VERSION_CODE #include "core/generic/4.19/regmap-mmio.c" #else #error "Unsupported kernel version, backporting another version of regmap-mmio is required" #endif