iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

clockevents/drivers/moxart: Migrate to new 'set-state' interface

Browse Source 
Migrate moxart driver to the new 'set-state' interface provided by
clockevents core, the earlier 'set-mode' interface is marked obsolete
now.

This also enables us to implement callbacks for new states of clockevent
devices, for example: ONESHOT_STOPPED.

Cc: Jonas Jensen <jonas.jensen@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
This commit is contained in:
Viresh Kumar 2015-06-18 16:24:26 +05:30 committed by Daniel Lezcano
parent d47409347e
commit 37ae24716a
1 changed files with 26 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/clocksource/moxart_timer.c
View File

@ -58,25 +58,24 @@
static void __iomem *base;
static unsigned int clock_count_per_tick;
static void moxart_clkevt_mode(enum clock_event_mode mode,
struct clock_event_device *clk)
static int moxart_shutdown(struct clock_event_device *evt)
{
switch (mode) {
case CLOCK_EVT_MODE_RESUME:
case CLOCK_EVT_MODE_ONESHOT:
writel(TIMER1_DISABLE, base + TIMER_CR);
writel(~0, base + TIMER1_BASE + REG_LOAD);
break;
case CLOCK_EVT_MODE_PERIODIC:
writel(clock_count_per_tick, base + TIMER1_BASE + REG_LOAD);
writel(TIMER1_ENABLE, base + TIMER_CR);
break;
case CLOCK_EVT_MODE_UNUSED:
case CLOCK_EVT_MODE_SHUTDOWN:
default:
writel(TIMER1_DISABLE, base + TIMER_CR);
break;
}
writel(TIMER1_DISABLE, base + TIMER_CR);
return 0;
}
static int moxart_set_oneshot(struct clock_event_device *evt)
{
writel(TIMER1_DISABLE, base + TIMER_CR);
writel(~0, base + TIMER1_BASE + REG_LOAD);
return 0;
}
static int moxart_set_periodic(struct clock_event_device *evt)
{
writel(clock_count_per_tick, base + TIMER1_BASE + REG_LOAD);
writel(TIMER1_ENABLE, base + TIMER_CR);
return 0;
}
static int moxart_clkevt_next_event(unsigned long cycles,
@ -95,11 +94,15 @@ static int moxart_clkevt_next_event(unsigned long cycles,
}
static struct clock_event_device moxart_clockevent = {
.name = "moxart_timer",
.rating = 200,
.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
.set_mode = moxart_clkevt_mode,
.set_next_event = moxart_clkevt_next_event,
.name = "moxart_timer",
.rating = 200,
.features = CLOCK_EVT_FEAT_PERIODIC |
CLOCK_EVT_FEAT_ONESHOT,
.set_state_shutdown = moxart_shutdown,
.set_state_periodic = moxart_set_periodic,
.set_state_oneshot = moxart_set_oneshot,
.tick_resume = moxart_set_oneshot,
.set_next_event = moxart_clkevt_next_event,
};
static irqreturn_t moxart_timer_interrupt(int irq, void *dev_id)