OMAP3: PM: Fix the MMU on sequence in the asm code
Add necessary barriers after enabling MMU. Also use the sane way to
load pc and jump to it instead of executing ldma first up.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
diff --git a/arch/arm/mach-omap2/sleep34xx.S b/arch/arm/mach-omap2/sleep34xx.S
index 1c17ee8..a31845a 100644
--- a/arch/arm/mach-omap2/sleep34xx.S
+++ b/arch/arm/mach-omap2/sleep34xx.S
@@ -617,12 +617,17 @@
ldr r2, cache_pred_disable_mask
and r4, r2
mcr p15, 0, r4, c1, c0, 0
+ dsb
+ isb
+ ldr r0, =restoremmu_on
+ bx r0
/*
* ==============================
* == Exit point from OFF mode ==
* ==============================
*/
+restoremmu_on:
ldmfd sp!, {r0-r12, pc} @ restore regs and return