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-rw-r--r--arch/arm/mach-omap2/sleep44xx.S8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/sleep44xx.S b/arch/arm/mach-omap2/sleep44xx.S
index 3154b63def35..abd283400490 100644
--- a/arch/arm/mach-omap2/sleep44xx.S
+++ b/arch/arm/mach-omap2/sleep44xx.S
@@ -325,8 +325,16 @@ skip_l2en:
ENDPROC(omap4_cpu_resume)
#endif
+#ifndef CONFIG_OMAP4_ERRATA_I688
+ENTRY(omap_bus_sync)
+ mov pc, lr
+ENDPROC(omap_bus_sync)
+#endif
+
ENTRY(omap_do_wfi)
stmfd sp!, {lr}
+ /* Drain interconnect write buffers. */
+ bl omap_bus_sync
/*
* Execute an ISB instruction to ensure that all of the