2 files changed, 18 insertions, 3 deletions

diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index 3b0cfeb33d05..f5b5c89ac7c2 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -45,6 +45,7 @@
 
 #include <mach/hardware.h>
 
+static u32 omap_reserved_systimers;
 static LIST_HEAD(omap_timer_list);
 static DEFINE_SPINLOCK(dm_timer_lock);
 
@@ -152,6 +153,21 @@ int omap_dm_timer_prepare(struct omap_dm_timer *timer)
 	return ret;
 }
 
+static inline u32 omap_dm_timer_reserved_systimer(int id)
+{
+	return (omap_reserved_systimers & (1 << (id - 1))) ? 1 : 0;
+}
+
+int omap_dm_timer_reserve_systimer(int id)
+{
+	if (omap_dm_timer_reserved_systimer(id))
+		return -ENODEV;
+
+	omap_reserved_systimers |= (1 << (id - 1));
+
+	return 0;
+}
+
 struct omap_dm_timer *omap_dm_timer_request(void)
 {
 	struct omap_dm_timer *timer = NULL, *t;
@@ -674,7 +690,7 @@ static int __devinit omap_dm_timer_probe(struct platform_device *pdev)
 
 	timer->id = pdev->id;
 	timer->irq = irq->start;
-	timer->reserved = pdata->reserved;
+	timer->reserved = omap_dm_timer_reserved_systimer(timer->id);
 	timer->pdev = pdev;
 	timer->loses_context = pdata->loses_context;
 	timer->get_context_loss_count = pdata->get_context_loss_count;
diff --git a/arch/arm/plat-omap/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h
index 5fdfaa481259..1e5ce5d56240 100644
--- a/arch/arm/plat-omap/include/plat/dmtimer.h
+++ b/arch/arm/plat-omap/include/plat/dmtimer.h
@@ -98,13 +98,12 @@ struct dmtimer_platform_data {
 	int (*set_timer_src)(struct platform_device *pdev, int source);
 	int timer_ip_version;
 	u32 needs_manual_reset:1;
-	bool reserved;
-
 	bool loses_context;
 
 	int (*get_context_loss_count)(struct device *dev);
 };
 
+int omap_dm_timer_reserve_systimer(int id);
 struct omap_dm_timer *omap_dm_timer_request(void);
 struct omap_dm_timer *omap_dm_timer_request_specific(int timer_id);
 int omap_dm_timer_free(struct omap_dm_timer *timer);