CLOCK_GATING_BIT_PCIE0 97 arch/arm/mach-dove/common.c pex0 = dove_register_gate("pex0", "tclk", CLOCK_GATING_BIT_PCIE0); CLOCK_GATING_BIT_PCIE0 36 arch/arm/mach-dove/pm.h #define CLOCK_GATING_PCIE0_MASK (1 << CLOCK_GATING_BIT_PCIE0)