GPC_CNTR_L2_PGE_SHIFT 56 arch/arm/mach-imx/gpc.c val &= ~(1 << GPC_CNTR_L2_PGE_SHIFT); GPC_CNTR_L2_PGE_SHIFT 58 arch/arm/mach-imx/gpc.c val |= 1 << GPC_CNTR_L2_PGE_SHIFT;