early_platform_init 1112 drivers/clocksource/sh_cmt.c early_platform_init("earlytimer", &sh_cmt_device_driver);
early_platform_init  520 drivers/clocksource/sh_mtu2.c early_platform_init("earlytimer", &sh_mtu2_device_driver);
early_platform_init  668 drivers/clocksource/sh_tmu.c early_platform_init("earlytimer", &sh_tmu_device_driver);