From: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
The core is not powered down, it is pointless to call the cpu_pm notifiers and
switch to the global timer.
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Reviewed-and-tested-by: Soren Brinkmann <soren.brinkmann@xxxxxxxxxx>
---
drivers/cpuidle/cpuidle-zynq.c | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/drivers/cpuidle/cpuidle-zynq.c b/drivers/cpuidle/cpuidle-zynq.c
index aded75928028..c61b8b2a7c77 100644
--- a/drivers/cpuidle/cpuidle-zynq.c
+++ b/drivers/cpuidle/cpuidle-zynq.c
@@ -26,7 +26,6 @@
*/
#include <linux/init.h>
-#include <linux/cpu_pm.h>
#include <linux/cpuidle.h>
#include <linux/platform_device.h>
#include <asm/proc-fns.h>
@@ -38,15 +37,9 @@
static int zynq_enter_idle(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
- /* Devices must be stopped here */
- cpu_pm_enter();
-
/* Add code for DDR self refresh start */
cpu_do_idle();
- /* Add code for DDR self refresh stop */
- cpu_pm_exit();
-
return index;
}
@@ -59,8 +52,7 @@ static struct cpuidle_driver zynq_idle_driver = {
.enter = zynq_enter_idle,
.exit_latency = 10,
.target_residency = 10000,
- .flags = CPUIDLE_FLAG_TIME_VALID |
- CPUIDLE_FLAG_TIMER_STOP,
+ .flags = CPUIDLE_FLAG_TIME_VALID,
.name = "RAM_SR",
.desc = "WFI and RAM Self Refresh",
},
--
2.0.1.1.gfbfc394
--
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