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ARM: ux500: convert timer suspend/resume to clock_event_device

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Move ux500's timer suspend/resume functions from struct sys_timer
ux500_timer into struct clock_event_device nmdk_clkevt. This
will allow the sys_timer suspend/resume fields to be removed, and
eventually lead to a complete removal of struct sys_timer.

Cc: Srinidhi Kasagar <[email protected]>
Acked-by: Linus Walleij <[email protected]>
Signed-off-by: Stephen Warren <[email protected]>
This commit is contained in:
Stephen Warren 2012-11-07 17:07:45 -07:00
commit 8726e96fcb
2 changed files with 20 additions and 20 deletions
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33
drivers/clocksource/nomadik-mtu.c
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@ -134,12 +134,32 @@ static void nmdk_clkevt_mode(enum clock_event_mode mode,
}
}
void nmdk_clksrc_reset(void)
{
/* Disable */
writel(0, mtu_base + MTU_CR(0));
/* ClockSource: configure load and background-load, and fire it up */
writel(nmdk_cycle, mtu_base + MTU_LR(0));
writel(nmdk_cycle, mtu_base + MTU_BGLR(0));
writel(clk_prescale | MTU_CRn_32BITS | MTU_CRn_ENA,
mtu_base + MTU_CR(0));
}
static void nmdk_clkevt_resume(struct clock_event_device *cedev)
{
nmdk_clkevt_reset();
nmdk_clksrc_reset();
}
static struct clock_event_device nmdk_clkevt = {
.name = "mtu_1",
.features = CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_PERIODIC,
.rating = 200,
.set_mode = nmdk_clkevt_mode,
.set_next_event = nmdk_clkevt_next,
.resume = nmdk_clkevt_resume,
};
/*
@ -161,19 +181,6 @@ static struct irqaction nmdk_timer_irq = {
.dev_id = &nmdk_clkevt,
};
void nmdk_clksrc_reset(void)
{
/* Disable */
writel(0, mtu_base + MTU_CR(0));
/* ClockSource: configure load and background-load, and fire it up */
writel(nmdk_cycle, mtu_base + MTU_LR(0));
writel(nmdk_cycle, mtu_base + MTU_BGLR(0));
writel(clk_prescale | MTU_CRn_32BITS | MTU_CRn_ENA,
mtu_base + MTU_CR(0));
}
void __init nmdk_timer_init(void __iomem *base, int irq)
{
unsigned long rate;