In driver probe use sys_timer_reserved to identify which all timers
have already been used for clocksource and clockevent. Mark all those
timers as reserved so that no one else can use them.
Signed-off-by: Tarun Kanti DebBarma <tarun.ka...@ti.com>
---
arch/arm/mach-omap1/timer.c | 2 ++
arch/arm/plat-omap/dmtimer.c | 8 ++++++--
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-omap1/timer.c b/arch/arm/mach-omap1/timer.c
index 980b23b..0b318c7 100644
--- a/arch/arm/mach-omap1/timer.c
+++ b/arch/arm/mach-omap1/timer.c
@@ -41,6 +41,8 @@
#define OMAP1_DM_TIMER_COUNT 8
+u32 sys_timer_reserved;
+
static int omap1_dm_timer_set_src(struct platform_device *pdev,
int source)
{
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index be55e42..8c8cb00 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -513,10 +513,14 @@ static int __devinit omap_dm_timer_probe(struct
platform_device *pdev)
timer->irq = irq->start;
timer->pdev = pdev;
- /* Skip pm_runtime_enable for OMAP1 */
- if (!pdata->needs_manual_reset)
+ if (!pdata->needs_manual_reset) {
pm_runtime_enable(&pdev->dev);
+ /* Mark clocksource and clockevent timers as reserved */
+ if ((sys_timer_reserved >> (pdev->id - 1)) & 0x1)
+ timer->reserved = 1;
+ }
+
/* add the timer element to the list */
mutex_lock(&dm_timer_mutex);
list_add_tail(&timer->node, &omap_timer_list);
--
1.6.0.4
--
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