PWR_CTRL1_USE_CORE0_WFI  101 drivers/clk/samsung/clk-exynos3250.c #define PWR_CTRL1_USE_CORE0_WFI			(1 << 0)
PWR_CTRL1_USE_CORE0_WFI  136 drivers/clk/samsung/clk-exynos4.c #define PWR_CTRL1_USE_CORE0_WFI			(1 << 0)
PWR_CTRL1_USE_CORE0_WFI   94 drivers/clk/samsung/clk-exynos5250.c #define PWR_CTRL1_USE_CORE0_WFI			(1 << 0)