| Message ID | 1310731501-13078-11-git-send-email-tarun.kanti@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Friday 15 July 2011 05:34 PM, Tarun Kanti DebBarma wrote: > 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.kanti@ti.com> > --- Looks fine. Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Regards Santosh
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);
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.kanti@ti.com> --- arch/arm/mach-omap1/timer.c | 2 ++ arch/arm/plat-omap/dmtimer.c | 8 ++++++-- 2 files changed, 8 insertions(+), 2 deletions(-)