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Diffstat (limited to 'kernel/arch/arm/mach-imx/suspend-imx6.S')
-rw-r--r--kernel/arch/arm/mach-imx/suspend-imx6.S3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-imx/suspend-imx6.S b/kernel/arch/arm/mach-imx/suspend-imx6.S
index b99987b02..76ee2ceec 100644
--- a/kernel/arch/arm/mach-imx/suspend-imx6.S
+++ b/kernel/arch/arm/mach-imx/suspend-imx6.S
@@ -79,12 +79,15 @@
/* sync L2 cache to drain L2's buffers to DRAM. */
#ifdef CONFIG_CACHE_L2X0
ldr r11, [r0, #PM_INFO_MX6Q_L2_V_OFFSET]
+ teq r11, #0
+ beq 6f
mov r6, #0x0
str r6, [r11, #L2X0_CACHE_SYNC]
1:
ldr r6, [r11, #L2X0_CACHE_SYNC]
ands r6, r6, #0x1
bne 1b
+6:
#endif
.endm