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ARM: OMAP: dmtimer: skip reserved timers

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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>
This commit is contained in:
Tony Lindgren 2011-09-21 16:38:51 -07:00
parent ffe07ceae1
commit 0dad9faeae
3 changed files with 13 additions and 2 deletions
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6
arch/arm/mach-omap2/timer.c
View File

@ -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),

7
arch/arm/plat-omap/dmtimer.c
View File

@ -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);

2
arch/arm/plat-omap/include/plat/dmtimer.h
View File

@ -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,