clockevents/drivers/samsung_pwm: Migrate to new 'set-state' interface
Migrate samsung_pwm 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: Tomasz Figa <tfiga@chromium.org> Cc: Kukjin Kim <kgene@kernel.org> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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@ -207,25 +207,18 @@ static int samsung_set_next_event(unsigned long cycles,
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return 0;
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}
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static void samsung_set_mode(enum clock_event_mode mode,
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struct clock_event_device *evt)
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static int samsung_shutdown(struct clock_event_device *evt)
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{
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samsung_time_stop(pwm.event_id);
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return 0;
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}
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switch (mode) {
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case CLOCK_EVT_MODE_PERIODIC:
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static int samsung_set_periodic(struct clock_event_device *evt)
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{
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samsung_time_stop(pwm.event_id);
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samsung_time_setup(pwm.event_id, pwm.clock_count_per_tick - 1);
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samsung_time_start(pwm.event_id, true);
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break;
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case CLOCK_EVT_MODE_ONESHOT:
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break;
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case CLOCK_EVT_MODE_UNUSED:
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case CLOCK_EVT_MODE_SHUTDOWN:
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case CLOCK_EVT_MODE_RESUME:
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break;
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}
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return 0;
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}
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static void samsung_clockevent_resume(struct clock_event_device *cev)
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@ -241,10 +234,14 @@ static void samsung_clockevent_resume(struct clock_event_device *cev)
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static struct clock_event_device time_event_device = {
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.name = "samsung_event_timer",
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.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
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.features = CLOCK_EVT_FEAT_PERIODIC |
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CLOCK_EVT_FEAT_ONESHOT,
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.rating = 200,
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.set_next_event = samsung_set_next_event,
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.set_mode = samsung_set_mode,
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.set_state_shutdown = samsung_shutdown,
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.set_state_periodic = samsung_set_periodic,
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.set_state_oneshot = samsung_shutdown,
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.tick_resume = samsung_shutdown,
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.resume = samsung_clockevent_resume,
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};
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