diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-imx/pm-imx27.c')
-rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-imx/pm-imx27.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-imx/pm-imx27.c b/ANDROID_3.4.5/arch/arm/mach-imx/pm-imx27.c deleted file mode 100644 index 6fcffa7d..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-imx/pm-imx27.c +++ /dev/null @@ -1,48 +0,0 @@ -/* - * i.MX27 Power Management Routines - * - * Based on Freescale's BSP - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License. - */ - -#include <linux/kernel.h> -#include <linux/suspend.h> -#include <linux/io.h> -#include <mach/hardware.h> - -static int mx27_suspend_enter(suspend_state_t state) -{ - u32 cscr; - switch (state) { - case PM_SUSPEND_MEM: - /* Clear MPEN and SPEN to disable MPLL/SPLL */ - cscr = __raw_readl(MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR)); - cscr &= 0xFFFFFFFC; - __raw_writel(cscr, MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR)); - /* Executes WFI */ - cpu_do_idle(); - break; - - default: - return -EINVAL; - } - return 0; -} - -static const struct platform_suspend_ops mx27_suspend_ops = { - .enter = mx27_suspend_enter, - .valid = suspend_valid_only_mem, -}; - -static int __init mx27_pm_init(void) -{ - if (!cpu_is_mx27()) - return 0; - - suspend_set_ops(&mx27_suspend_ops); - return 0; -} - -device_initcall(mx27_pm_init); |