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yaml
---
r: 355173
b: refs/heads/master
c: 5b30d5b
h: refs/heads/master
i:
  355171: 453f860
v: v3
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Stephen Warren committed Dec 24, 2012
1 parent 3e821b5 commit ec65be7
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Showing 2 changed files with 39 additions and 39 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 49356ae94c8238eb3945244f4e5a0a263eafba24
refs/heads/master: 5b30d5bf8204e9b9837511cf72d051980dbb90a7
76 changes: 38 additions & 38 deletions trunk/arch/arm/mach-pxa/time.c
Original file line number Diff line number Diff line change
Expand Up @@ -89,12 +89,50 @@ pxa_osmr0_set_mode(enum clock_event_mode mode, struct clock_event_device *dev)
}
}

#ifdef CONFIG_PM
static unsigned long osmr[4], oier, oscr;

static void pxa_timer_suspend(struct clock_event_device *cedev)
{
osmr[0] = readl_relaxed(OSMR0);
osmr[1] = readl_relaxed(OSMR1);
osmr[2] = readl_relaxed(OSMR2);
osmr[3] = readl_relaxed(OSMR3);
oier = readl_relaxed(OIER);
oscr = readl_relaxed(OSCR);
}

static void pxa_timer_resume(struct clock_event_device *cedev)
{
/*
* Ensure that we have at least MIN_OSCR_DELTA between match
* register 0 and the OSCR, to guarantee that we will receive
* the one-shot timer interrupt. We adjust OSMR0 in preference
* to OSCR to guarantee that OSCR is monotonically incrementing.
*/
if (osmr[0] - oscr < MIN_OSCR_DELTA)
osmr[0] += MIN_OSCR_DELTA;

writel_relaxed(osmr[0], OSMR0);
writel_relaxed(osmr[1], OSMR1);
writel_relaxed(osmr[2], OSMR2);
writel_relaxed(osmr[3], OSMR3);
writel_relaxed(oier, OIER);
writel_relaxed(oscr, OSCR);
}
#else
#define pxa_timer_suspend NULL
#define pxa_timer_resume NULL
#endif

static struct clock_event_device ckevt_pxa_osmr0 = {
.name = "osmr0",
.features = CLOCK_EVT_FEAT_ONESHOT,
.rating = 200,
.set_next_event = pxa_osmr0_set_next_event,
.set_mode = pxa_osmr0_set_mode,
.suspend = pxa_timer_suspend,
.resume = pxa_timer_resume,
};

static struct irqaction pxa_ost0_irq = {
Expand Down Expand Up @@ -127,44 +165,6 @@ static void __init pxa_timer_init(void)
clockevents_register_device(&ckevt_pxa_osmr0);
}

#ifdef CONFIG_PM
static unsigned long osmr[4], oier, oscr;

static void pxa_timer_suspend(void)
{
osmr[0] = readl_relaxed(OSMR0);
osmr[1] = readl_relaxed(OSMR1);
osmr[2] = readl_relaxed(OSMR2);
osmr[3] = readl_relaxed(OSMR3);
oier = readl_relaxed(OIER);
oscr = readl_relaxed(OSCR);
}

static void pxa_timer_resume(void)
{
/*
* Ensure that we have at least MIN_OSCR_DELTA between match
* register 0 and the OSCR, to guarantee that we will receive
* the one-shot timer interrupt. We adjust OSMR0 in preference
* to OSCR to guarantee that OSCR is monotonically incrementing.
*/
if (osmr[0] - oscr < MIN_OSCR_DELTA)
osmr[0] += MIN_OSCR_DELTA;

writel_relaxed(osmr[0], OSMR0);
writel_relaxed(osmr[1], OSMR1);
writel_relaxed(osmr[2], OSMR2);
writel_relaxed(osmr[3], OSMR3);
writel_relaxed(oier, OIER);
writel_relaxed(oscr, OSCR);
}
#else
#define pxa_timer_suspend NULL
#define pxa_timer_resume NULL
#endif

struct sys_timer pxa_timer = {
.init = pxa_timer_init,
.suspend = pxa_timer_suspend,
.resume = pxa_timer_resume,
};

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