@@ -32,6 +32,7 @@
#include "powerdomain.h"
#include "clockdomain.h"
#include <plat/dmtimer.h>
+#include <plat/omap-pm.h>
#include "cm2xxx_3xxx.h"
#include "prm2xxx_3xxx.h"
@@ -581,6 +582,7 @@ static int option_set(void *data, u64 val)
*option = val;
if (option == &enable_off_mode) {
+ omap_pm_enable_off_mode(val ? true : false);
if (cpu_is_omap34xx())
omap3_pm_off_mode_enable(val);
}
@@ -372,5 +372,6 @@ unsigned long omap_pm_cpu_get_freq(void);
*/
int omap_pm_get_dev_context_loss_count(struct device *dev);
+void omap_pm_enable_off_mode(bool enable);
#endif
@@ -30,6 +30,9 @@ struct omap_opp *dsp_opps;
struct omap_opp *mpu_opps;
struct omap_opp *l3_opps;
+static bool off_mode_enabled;
+static u32 dummy_context_loss_counter;
+
/*
* Device-driver-originated constraints (via board-*.c files)
*/
@@ -287,6 +290,10 @@ unsigned long omap_pm_cpu_get_freq(void)
/*
* Device context loss tracking
*/
+void omap_pm_enable_off_mode(bool enable)
+{
+ off_mode_enabled = enable;
+}
int omap_pm_get_dev_context_loss_count(struct device *dev)
{
@@ -298,7 +305,17 @@ int omap_pm_get_dev_context_loss_count(struct device *dev)
return -EINVAL;
};
- count = omap_device_get_context_loss_count(pdev);
+ if (dev->parent == &omap_device_parent) {
+ count = omap_device_get_context_loss_count(pdev);
+ } else {
+ WARN_ONCE(off_mode_enabled, "using dummy context loss counter, "
+ "device %s should be converted to omap_device.",
+ __func__, dev_name(dev));
+ if (off_mode_enabled)
+ dummy_context_loss_counter++;
+ count = dummy_context_loss_counter;
+ }
+
pr_debug("OMAP PM: context loss count for dev %s = %d\n",
dev_name(dev), count);