[PATCH 35/41] clocksource: prima2: Migrate to new 'set-state' interface
From: viresh.kumar@linaro.org (Viresh Kumar)
Date: 2015-06-18 10:57:48
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Subsystem:
clocksource, clockevent drivers, the rest · Maintainers:
Daniel Lezcano, Thomas Gleixner, Linus Torvalds
Migrate prima2 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: Barry Song <baohua@kernel.org> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> --- drivers/clocksource/timer-prima2.c | 34 +++++++++++++++------------------- 1 file changed, 15 insertions(+), 19 deletions(-)
diff --git a/drivers/clocksource/timer-prima2.c b/drivers/clocksource/timer-prima2.c
index ce18d570e1cd..78de982cc640 100644
--- a/drivers/clocksource/timer-prima2.c
+++ b/drivers/clocksource/timer-prima2.c@@ -104,26 +104,21 @@ static int sirfsoc_timer_set_next_event(unsigned long delta, return next - now > delta ? -ETIME : 0; } -static void sirfsoc_timer_set_mode(enum clock_event_mode mode, - struct clock_event_device *ce) +static int sirfsoc_timer_shutdown(struct clock_event_device *evt) { u32 val = readl_relaxed(sirfsoc_timer_base + SIRFSOC_TIMER_INT_EN); - switch (mode) { - case CLOCK_EVT_MODE_PERIODIC: - WARN_ON(1); - break; - case CLOCK_EVT_MODE_ONESHOT: - writel_relaxed(val | BIT(0), - sirfsoc_timer_base + SIRFSOC_TIMER_INT_EN); - break; - case CLOCK_EVT_MODE_SHUTDOWN: - writel_relaxed(val & ~BIT(0), - sirfsoc_timer_base + SIRFSOC_TIMER_INT_EN); - break; - case CLOCK_EVT_MODE_UNUSED: - case CLOCK_EVT_MODE_RESUME: - break; - } + + writel_relaxed(val & ~BIT(0), + sirfsoc_timer_base + SIRFSOC_TIMER_INT_EN); + return 0; +} + +static int sirfsoc_timer_set_oneshot(struct clock_event_device *evt) +{ + u32 val = readl_relaxed(sirfsoc_timer_base + SIRFSOC_TIMER_INT_EN); + + writel_relaxed(val | BIT(0), sirfsoc_timer_base + SIRFSOC_TIMER_INT_EN); + return 0; } static void sirfsoc_clocksource_suspend(struct clocksource *cs)
@@ -157,7 +152,8 @@ static struct clock_event_device sirfsoc_clockevent = { .name = "sirfsoc_clockevent", .rating = 200, .features = CLOCK_EVT_FEAT_ONESHOT, - .set_mode = sirfsoc_timer_set_mode, + .set_state_shutdown = sirfsoc_timer_shutdown, + .set_state_oneshot = sirfsoc_timer_set_oneshot, .set_next_event = sirfsoc_timer_set_next_event, };
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2.4.0