1 files changed, 11 insertions, 93 deletions

diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c
index 23de98d0384..5ca45ca7694 100644
--- a/arch/arm/mach-omap2/pm24xx.c
+++ b/arch/arm/mach-omap2/pm24xx.c
@@ -26,7 +26,6 @@
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/clk.h>
-#include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/time.h>
 #include <linux/gpio.h>
@@ -35,12 +34,13 @@
 #include <asm/mach/irq.h>
 #include <asm/mach-types.h>
 
-#include <mach/irqs.h>
 #include <plat/clock.h>
 #include <plat/sram.h>
 #include <plat/dma.h>
 #include <plat/board.h>
 
+#include <mach/irqs.h>
+
 #include "common.h"
 #include "prm2xxx_3xxx.h"
 #include "prm-regbits-24xx.h"
@@ -49,23 +49,9 @@
 #include "sdrc.h"
 #include "pm.h"
 #include "control.h"
-
 #include "powerdomain.h"
 #include "clockdomain.h"
 
-#ifdef CONFIG_SUSPEND
-static suspend_state_t suspend_state = PM_SUSPEND_ON;
-static inline bool is_suspending(void)
-{
-        return (suspend_state != PM_SUSPEND_ON);
-}
-#else
-static inline bool is_suspending(void)
-{
-        return false;
-}
-#endif
-
 static void (*omap2_sram_idle)(void);
 static void (*omap2_sram_suspend)(u32 dllctrl, void __iomem *sdrc_dlla_ctrl,
                                   void __iomem *sdrc_power);
@@ -85,7 +71,7 @@ static int omap2_fclks_active(void)
         return (f1 | f2) ? 1 : 0;
 }
 
-static void omap2_enter_full_retention(void)
+static int omap2_enter_full_retention(void)
 {
         u32 l;
 
@@ -148,6 +134,8 @@ no_sleep:
 
         /* Mask future PRCM-to-MPU interrupts */
         omap2_prm_write_mod_reg(0x0, OCP_MOD, OMAP2_PRCM_IRQSTATUS_MPU_OFFSET);
+
+        return 0;
 }
 
 static int omap2_i2c_active(void)
@@ -226,7 +214,6 @@ static int omap2_can_sleep(void)
 
 static void omap2_pm_idle(void)
 {
-        local_irq_disable();
         local_fiq_disable();
 
         if (!omap2_can_sleep()) {
@@ -243,78 +230,6 @@ static void omap2_pm_idle(void)
 
 out:
         local_fiq_enable();
-        local_irq_enable();
-}
-
-#ifdef CONFIG_SUSPEND
-static int omap2_pm_begin(suspend_state_t state)
-{
-        disable_hlt();
-        suspend_state = state;
-        return 0;
-}
-
-static int omap2_pm_suspend(void)
-{
-        u32 wken_wkup, mir1;
-
-        wken_wkup = omap2_prm_read_mod_reg(WKUP_MOD, PM_WKEN);
-        wken_wkup &= ~OMAP24XX_EN_GPT1_MASK;
-        omap2_prm_write_mod_reg(wken_wkup, WKUP_MOD, PM_WKEN);
-
-        /* Mask GPT1 */
-        mir1 = omap_readl(0x480fe0a4);
-        omap_writel(1 << 5, 0x480fe0ac);
-
-        omap2_enter_full_retention();
-
-        omap_writel(mir1, 0x480fe0a4);
-        omap2_prm_write_mod_reg(wken_wkup, WKUP_MOD, PM_WKEN);
-
-        return 0;
-}
-
-static int omap2_pm_enter(suspend_state_t state)
-{
-        int ret = 0;
-
-        switch (state) {
-        case PM_SUSPEND_STANDBY:
-        case PM_SUSPEND_MEM:
-                ret = omap2_pm_suspend();
-                break;
-        default:
-                ret = -EINVAL;
-        }
-
-        return ret;
-}
-
-static void omap2_pm_end(void)
-{
-        suspend_state = PM_SUSPEND_ON;
-        enable_hlt();
-}
-
-static const struct platform_suspend_ops omap_pm_ops = {
-        .begin          = omap2_pm_begin,
-        .enter          = omap2_pm_enter,
-        .end            = omap2_pm_end,
-        .valid          = suspend_valid_only_mem,
-};
-#else
-static const struct platform_suspend_ops __initdata omap_pm_ops;
-#endif /* CONFIG_SUSPEND */
-
-/* XXX This function should be shareable between OMAP2xxx and OMAP3 */
-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;
 }
 
 static void __init prcm_setup_regs(void)
@@ -358,9 +273,13 @@ static void __init prcm_setup_regs(void)
         clkdm_sleep(gfx_clkdm);
 
         /* Enable hardware-supervised idle for all clkdms */
-        clkdm_for_each(clkdms_setup, NULL);
+        clkdm_for_each(omap_pm_clkdms_setup, NULL);
         clkdm_add_wkdep(mpu_clkdm, wkup_clkdm);
 
+#ifdef CONFIG_SUSPEND
+        omap_pm_suspend = omap2_enter_full_retention;
+#endif
+
         /* REVISIT: Configure number of 32 kHz clock cycles for sys_clk
          * stabilisation */
         omap2_prm_write_mod_reg(15 << OMAP_SETUP_TIME_SHIFT, OMAP24XX_GR_MOD,
@@ -461,8 +380,7 @@ static int __init omap2_pm_init(void)
                                                     omap24xx_cpu_suspend_sz);
         }
 
-        suspend_set_ops(&omap_pm_ops);
-        pm_idle = omap2_pm_idle;
+        arm_pm_idle = omap2_pm_idle;
 
         return 0;
 }