Merge tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm...
[linux-2.6.git] / arch / arm / mach-omap2 / pm34xx.c
index 64d95e6..238defc 100644 (file)
 #include "sdrc.h"
 #include "control.h"
 
-#ifdef CONFIG_SUSPEND
-static suspend_state_t suspend_state = PM_SUSPEND_ON;
-#endif
-
 /* pm34xx errata defined in pm.h */
 u16 pm34xx_errata;
 
@@ -76,16 +72,6 @@ static struct powerdomain *mpu_pwrdm, *neon_pwrdm;
 static struct powerdomain *core_pwrdm, *per_pwrdm;
 static struct powerdomain *cam_pwrdm;
 
-static inline void omap3_per_save_context(void)
-{
-       omap_gpio_save_context();
-}
-
-static inline void omap3_per_restore_context(void)
-{
-       omap_gpio_restore_context();
-}
-
 static void omap3_enable_io_chain(void)
 {
        int timeout = 0;
@@ -291,11 +277,6 @@ void omap_sram_idle(void)
        int core_prev_state, per_prev_state;
        u32 sdrc_pwr = 0;
 
-       pwrdm_clear_all_prev_pwrst(mpu_pwrdm);
-       pwrdm_clear_all_prev_pwrst(neon_pwrdm);
-       pwrdm_clear_all_prev_pwrst(core_pwrdm);
-       pwrdm_clear_all_prev_pwrst(per_pwrdm);
-
        mpu_next_state = pwrdm_read_next_pwrst(mpu_pwrdm);
        switch (mpu_next_state) {
        case PWRDM_POWER_ON:
@@ -333,8 +314,6 @@ void omap_sram_idle(void)
        if (per_next_state < PWRDM_POWER_ON) {
                per_going_off = (per_next_state == PWRDM_POWER_OFF) ? 1 : 0;
                omap2_gpio_prepare_for_idle(per_going_off);
-               if (per_next_state == PWRDM_POWER_OFF)
-                               omap3_per_save_context();
        }
 
        /* CORE */
@@ -400,8 +379,6 @@ void omap_sram_idle(void)
        if (per_next_state < PWRDM_POWER_ON) {
                per_prev_state = pwrdm_read_prev_pwrst(per_pwrdm);
                omap2_gpio_resume_after_idle();
-               if (per_prev_state == PWRDM_POWER_OFF)
-                       omap3_per_restore_context();
        }
 
        /* Disable IO-PAD and IO-CHAIN wakeup */
@@ -419,10 +396,9 @@ void omap_sram_idle(void)
 
 static void omap3_pm_idle(void)
 {
-       local_irq_disable();
        local_fiq_disable();
 
-       if (omap_irq_pending() || need_resched())
+       if (omap_irq_pending())
                goto out;
 
        trace_power_start(POWER_CSTATE, 1, smp_processor_id());
@@ -435,7 +411,6 @@ static void omap3_pm_idle(void)
 
 out:
        local_fiq_enable();
-       local_irq_enable();
 }
 
 #ifdef CONFIG_SUSPEND
@@ -480,50 +455,6 @@ restore:
        return ret;
 }
 
-static int omap3_pm_enter(suspend_state_t unused)
-{
-       int ret = 0;
-
-       switch (suspend_state) {
-       case PM_SUSPEND_STANDBY:
-       case PM_SUSPEND_MEM:
-               ret = omap3_pm_suspend();
-               break;
-       default:
-               ret = -EINVAL;
-       }
-
-       return ret;
-}
-
-/* Hooks to enable / disable UART interrupts during suspend */
-static int omap3_pm_begin(suspend_state_t state)
-{
-       disable_hlt();
-       suspend_state = state;
-       omap_prcm_irq_prepare();
-       return 0;
-}
-
-static void omap3_pm_end(void)
-{
-       suspend_state = PM_SUSPEND_ON;
-       enable_hlt();
-       return;
-}
-
-static void omap3_pm_finish(void)
-{
-       omap_prcm_irq_complete();
-}
-
-static const struct platform_suspend_ops omap_pm_ops = {
-       .begin          = omap3_pm_begin,
-       .end            = omap3_pm_end,
-       .enter          = omap3_pm_enter,
-       .finish         = omap3_pm_finish,
-       .valid          = suspend_valid_only_mem,
-};
 #endif /* CONFIG_SUSPEND */
 
 
@@ -744,21 +675,6 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
 }
 
 /*
- * Enable hw supervised mode for all clockdomains if it's
- * supported. Initiate sleep transition for other clockdomains, if
- * they are not used
- */
-static int __init clkdms_setup(struct clockdomain *clkdm, void *unused)
-{
-       if (clkdm->flags & CLKDM_CAN_ENABLE_AUTO)
-               clkdm_allow_idle(clkdm);
-       else if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP &&
-                atomic_read(&clkdm->usecount) == 0)
-               clkdm_sleep(clkdm);
-       return 0;
-}
-
-/*
  * Push functions to SRAM
  *
  * The minimum set of functions is pushed to SRAM for execution:
@@ -827,7 +743,7 @@ static int __init omap3_pm_init(void)
                goto err2;
        }
 
-       (void) clkdm_for_each(clkdms_setup, NULL);
+       (void) clkdm_for_each(omap_pm_clkdms_setup, NULL);
 
        mpu_pwrdm = pwrdm_lookup("mpu_pwrdm");
        if (mpu_pwrdm == NULL) {
@@ -846,10 +762,10 @@ static int __init omap3_pm_init(void)
        core_clkdm = clkdm_lookup("core_clkdm");
 
 #ifdef CONFIG_SUSPEND
-       suspend_set_ops(&omap_pm_ops);
-#endif /* CONFIG_SUSPEND */
+       omap_pm_suspend = omap3_pm_suspend;
+#endif
 
-       pm_idle = omap3_pm_idle;
+       arm_pm_idle = omap3_pm_idle;
        omap3_idle_init();
 
        /*