Suspend: Introduce begin() and end() callbacks

[linux-2.6-omap-h63xx.git] / arch / arm / mach-at91 / pm.c

diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index ddf9184d561d2c82d4efe9e5a23ea07c6e62af35..a67defd504387a2fc610be020695323947b60333 100644 (file)
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -10,10 +10,9 @@
  * (at your option) any later version.
  */
 
-#include <linux/pm.h>
+#include <linux/suspend.h>
 #include <linux/sched.h>
 #include <linux/proc_fs.h>
-#include <linux/pm.h>
 #include <linux/interrupt.h>
 #include <linux/sysfs.h>
 #include <linux/module.h>
@@ -53,7 +52,7 @@ static suspend_state_t target_state;
 /*
  * Called after processes are frozen, but before we shutdown devices.
  */
-static int at91_pm_set_target(suspend_state_t state)
+static int at91_pm_begin(suspend_state_t state)
 {
        target_state = state;
        return 0;
@@ -81,6 +80,11 @@ static int at91_pm_verify_clocks(void)
                        pr_debug("AT91: PM - Suspend-to-RAM with USB still active\n");
                        return 0;
                }
+       } else if (cpu_is_at91cap9()) {
+               if ((scsr & AT91CAP9_PMC_UHP) != 0) {
+                       pr_debug("AT91: PM - Suspend-to-RAM with USB still active\n");
+                       return 0;
+               }
        }
 
 #ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS
@@ -198,11 +202,20 @@ error:
        return 0;
 }
 
+/*
+ * Called right prior to thawing processes.
+ */
+static void at91_pm_end(void)
+{
+       target_state = PM_SUSPEND_ON;
+}
+
 
-static struct pm_ops at91_pm_ops ={
-       .valid          = at91_pm_valid_state,
-       .set_target     = at91_pm_set_target,
-       .enter          = at91_pm_enter,
+static struct platform_suspend_ops at91_pm_ops ={
+       .valid  = at91_pm_valid_state,
+       .begin  = at91_pm_begin,
+       .enter  = at91_pm_enter,
+       .end    = at91_pm_end,
 };
 
 static int __init at91_pm_init(void)
@@ -220,7 +233,7 @@ static int __init at91_pm_init(void)
        /* Disable SDRAM low-power mode.  Cannot be used with self-refresh. */
        at91_sys_write(AT91_SDRAMC_LPR, 0);
 
-       pm_set_ops(&at91_pm_ops);
+       suspend_set_ops(&at91_pm_ops);
 
        return 0;
 }