[ARM] 2949/1: Hynix h720x Run mode

Patch from Sascha Hauer

After coming out of idle mode the h720x goes into slow mode. Switch
it back to run mode.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 5 insertions, 3 deletions

diff --git a/include/asm-arm/arch-h720x/system.h b/include/asm-arm/arch-h720x/system.h
index 0b025e227ec..09eda84592f 100644
--- a/include/asm-arm/arch-h720x/system.h
+++ b/include/asm-arm/arch-h720x/system.h
@@ -17,9 +17,11 @@
 static void arch_idle(void)
 {
         CPU_REG (PMU_BASE, PMU_MODE) = PMU_MODE_IDLE;
-        __asm__ __volatile__(
-        "mov    r0, r0\n\t"
-        "mov    r0, r0");
+        nop();
+        nop();
+        CPU_REG (PMU_BASE, PMU_MODE) = PMU_MODE_RUN;
+        nop();
+        nop();
 }