1 files changed, 5 insertions, 0 deletions

diff --git a/arch/arm/mach-at91/pm.h b/arch/arm/mach-at91/pm.h
index 8c87d0c1b8f8..ce9a20699111 100644
--- a/arch/arm/mach-at91/pm.h
+++ b/arch/arm/mach-at91/pm.h
@@ -21,6 +21,8 @@ static inline u32 sdram_selfrefresh_enable(void)
 }
 
 #define sdram_selfrefresh_disable(saved_lpr)    at91_sys_write(AT91_SDRAMC_LPR, saved_lpr)
+#define wait_for_interrupt_enable()             asm volatile ("mcr p15, 0, %0, c7, c0, 4" \
+                                                                : : "r" (0))
 
 #elif defined(CONFIG_ARCH_AT91CAP9)
 #include <mach/at91cap9_ddrsdr.h>
@@ -38,6 +40,7 @@ static inline u32 sdram_selfrefresh_enable(void)
 }
 
 #define sdram_selfrefresh_disable(saved_lpr)    at91_ramc_write(0, AT91_DDRSDRC_LPR, saved_lpr)
+#define wait_for_interrupt_enable()             cpu_do_idle()
 
 #elif defined(CONFIG_ARCH_AT91SAM9G45)
 #include <mach/at91sam9_ddrsdr.h>
@@ -74,6 +77,7 @@ static inline u32 sdram_selfrefresh_enable(void)
                 at91_ramc_write(0, AT91_DDRSDRC_LPR, saved_lpr0); \
                 at91_ramc_write(1, AT91_DDRSDRC_LPR, saved_lpr1); \
         } while (0)
+#define wait_for_interrupt_enable()             cpu_do_idle()
 
 #else
 #include <mach/at91sam9_sdramc.h>
@@ -98,5 +102,6 @@ static inline u32 sdram_selfrefresh_enable(void)
 }
 
 #define sdram_selfrefresh_disable(saved_lpr)    at91_ramc_write(0, AT91_SDRAMC_LPR, saved_lpr)
+#define wait_for_interrupt_enable()             cpu_do_idle()
 
 #endif