clockevents/drivers/metag_generic: Migrate to new 'set-state' interface
Migrate metag_generic 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. We weren't doing anything in the ->set_mode() callback. Even the WARN() for periodic or unused modes isn't required anymore as the core is taking care of that now. So, this patch doesn't provide any set-state callbacks. Cc: James Hogan <james.hogan@imgtec.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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@ -56,25 +56,6 @@ static int metag_timer_set_next_event(unsigned long delta,
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return 0;
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}
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static void metag_timer_set_mode(enum clock_event_mode mode,
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struct clock_event_device *evt)
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{
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switch (mode) {
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case CLOCK_EVT_MODE_ONESHOT:
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case CLOCK_EVT_MODE_RESUME:
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break;
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case CLOCK_EVT_MODE_SHUTDOWN:
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/* We should disable the IRQ here */
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break;
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case CLOCK_EVT_MODE_PERIODIC:
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case CLOCK_EVT_MODE_UNUSED:
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WARN_ON(1);
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break;
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};
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}
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static cycle_t metag_clocksource_read(struct clocksource *cs)
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{
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return __core_reg_get(TXTIMER);
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@ -129,7 +110,6 @@ static void arch_timer_setup(unsigned int cpu)
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clk->rating = 200,
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clk->shift = 12,
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clk->irq = tbisig_map(TBID_SIGNUM_TRT),
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clk->set_mode = metag_timer_set_mode,
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clk->set_next_event = metag_timer_set_next_event,
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clk->mult = div_sc(hwtimer_freq, NSEC_PER_SEC, clk->shift);
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