[PATCH v3 15/24] ARM: at91: pm: wait for ddr power mode off

[Claudiu Beznea]

Wait for DDR power mode off before shutting down the core.

Signed-off-by: Claudiu Beznea <claudiu.beznea at microchip.com>
---
 arch/arm/mach-at91/pm_suspend.S | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S
index 9c9e08fd8300..7396e18dd7e5 100644
--- a/arch/arm/mach-at91/pm_suspend.S
+++ b/arch/arm/mach-at91/pm_suspend.S
@@ -980,6 +980,11 @@ ulp_exit:
 	mov	tmp1, #0x1
 	str	tmp1, [r0, #0x10]
 
+	/* Wait for it. */
+1:	ldr	tmp1, [r0, #0x10]
+	tst	tmp1, #0x1
+	beq	1b
+
 	/* Shutdown */
 	ldr	r0, .shdwc
 	mov	tmp1, #0xA5000000
-- 
2.25.1