ARM: OMAP: dmtimer: skip reserved timers

Pass the reserved flag in pdata and use it. We can
now make sys_timer_reserved static to mach-omap2/timer.c.

Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 9c2f588..f1e3ec1 100644 (file)
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -69,7 +69,7 @@
 /* MAX_GPTIMER_ID: number of GPTIMERs on the chip */
 #define MAX_GPTIMER_ID         12
 
-u32 sys_timer_reserved;
+static u32 sys_timer_reserved;
 
 /* Clockevent code */
 
@@ -463,6 +463,10 @@ static int __init omap_timer_init(struct omap_hwmod *oh, void *unused)
        pdata->set_timer_src = omap2_dm_timer_set_src;
        pdata->timer_ip_version = oh->class->rev;
 
+       /* Mark clocksource and clockevent timers as reserved */
+       if ((sys_timer_reserved >> (id - 1)) & 0x1)
+               pdata->reserved = 1;
+
        od = omap_device_build(name, id, oh, pdata, sizeof(*pdata),
                        omap2_dmtimer_latency,
                        ARRAY_SIZE(omap2_dmtimer_latency),

diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index ac904c2..c8df3c3 100644 (file)
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -509,6 +509,7 @@ static int __devinit omap_dm_timer_probe(struct platform_device *pdev)
 
        timer->id = pdev->id;
        timer->irq = irq->start;
+       timer->reserved = pdata->reserved;
        timer->pdev = pdev;
 
        /* Skip pm_runtime_enable for OMAP1 */
@@ -517,6 +518,12 @@ static int __devinit omap_dm_timer_probe(struct platform_device *pdev)
                pm_runtime_irq_safe(&pdev->dev);
        }
 
+       if (!timer->reserved) {
+               pm_runtime_get_sync(&pdev->dev);
+               __omap_dm_timer_init_regs(timer);
+               pm_runtime_put(&pdev->dev);
+       }
+
        /* add the timer element to the list */
        spin_lock_irqsave(&dm_timer_lock, flags);
        list_add_tail(&timer->node, &omap_timer_list);

diff --git a/arch/arm/plat-omap/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h
index 4e3a326..29764c3 100644 (file)
--- a/arch/arm/plat-omap/include/plat/dmtimer.h
+++ b/arch/arm/plat-omap/include/plat/dmtimer.h
@@ -77,6 +77,7 @@ 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;
 };
 
 struct omap_dm_timer *omap_dm_timer_request(void);
@@ -248,7 +249,6 @@ struct omap_dm_timer {
        struct list_head node;
 };
 
-extern u32 sys_timer_reserved;
 int omap_dm_timer_prepare(struct omap_dm_timer *timer);
 
 static inline u32 __omap_dm_timer_read(struct omap_dm_timer *timer, u32 reg,