OMAP24XX_CM_FCLKEN2
f2 = omap2_cm_read_mod_reg(CORE_MOD, OMAP24XX_CM_FCLKEN2);
l = omap2_cm_read_mod_reg(CORE_MOD, OMAP24XX_CM_FCLKEN2);
idlest_reg->offset ^= (OMAP24XX_CM_FCLKEN2 ^ CM_IDLEST);