1 files changed, 14 insertions, 21 deletions

diff --git a/arch/blackfin/mach-common/pm.c b/arch/blackfin/mach-common/pm.c
index 4fe6a2366b1..e28c6af1f41 100644
--- a/arch/blackfin/mach-common/pm.c
+++ b/arch/blackfin/mach-common/pm.c
@@ -83,13 +83,22 @@ void bfin_pm_suspend_standby_enter(void)
         bfin_pm_standby_restore();
 
 #if defined(CONFIG_BF54x) || defined(CONFIG_BF52x)  || defined(CONFIG_BF561)
-        bfin_write_SIC_IWR0(IWR_ENABLE_ALL);
-        bfin_write_SIC_IWR1(IWR_ENABLE_ALL);
+        bfin_write_SIC_IWR0(IWR_DISABLE_ALL);
+#if defined(CONFIG_BF52x)
+        /* BF52x system reset does not properly reset SIC_IWR1 which
+         * will screw up the bootrom as it relies on MDMA0/1 waking it
+         * up from IDLE instructions.  See this report for more info:
+         * http://blackfin.uclinux.org/gf/tracker/4323
+         */
+        bfin_write_SIC_IWR1(IWR_ENABLE(10) | IWR_ENABLE(11));
+#else
+        bfin_write_SIC_IWR1(IWR_DISABLE_ALL);
+#endif
 # ifdef CONFIG_BF54x
-        bfin_write_SIC_IWR2(IWR_ENABLE_ALL);
+        bfin_write_SIC_IWR2(IWR_DISABLE_ALL);
 # endif
 #else
-        bfin_write_SIC_IWR(IWR_ENABLE_ALL);
+        bfin_write_SIC_IWR(IWR_DISABLE_ALL);
 #endif
 
         local_irq_restore(flags);
@@ -229,28 +238,12 @@ int bfin_pm_suspend_mem_enter(void)
         wakeup = bfin_read_VR_CTL() & ~FREQ;
         wakeup |= SCKELOW;
 
-        /* FIXME: merge this somehow with set_irq_wake */
-#ifdef CONFIG_PM_BFIN_WAKE_RTC
-        wakeup |= WAKE;
-#endif
 #ifdef CONFIG_PM_BFIN_WAKE_PH6
         wakeup |= PHYWE;
 #endif
-#ifdef CONFIG_PM_BFIN_WAKE_CAN
-        wakeup |= CANWE;
-#endif
 #ifdef CONFIG_PM_BFIN_WAKE_GP
         wakeup |= GPWE;
 #endif
-#ifdef CONFIG_PM_BFIN_WAKE_USB
-        wakeup |= USBWE;
-#endif
-#ifdef CONFIG_PM_BFIN_WAKE_KEYPAD
-        wakeup |= KPADWE;
-#endif
-#ifdef CONFIG_PM_BFIN_WAKE_ROTARY
-        wakeup |= ROTWE;
-#endif
 
         local_irq_save(flags);
 
@@ -268,7 +261,7 @@ int bfin_pm_suspend_mem_enter(void)
         icache_disable();
         bf53x_suspend_l1_mem(memptr);
 
-        do_hibernate(wakeup);   /* Goodbye */
+        do_hibernate(wakeup | vr_wakeup);       /* Goodbye */
 
         bf53x_resume_l1_mem(memptr);