ARM: OMAP: Sync core code with linux-omap

This patch syncs omap specific core code with linux-omap.
Most of the changes are needed to fix bitrot caused by
driver updates in linux-omap tree.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index 659619f..36073df 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -372,7 +372,7 @@
 
 	/* When the functional clock disappears, too quick writes seem to
 	 * cause an abort. */
-	__delay(15000);
+	__delay(150000);
 }
 
 #endif