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Commit 3f583d01 authored by Viresh Kumar's avatar Viresh Kumar Committed by Daniel Lezcano
Browse files

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: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
parent 40117bd5

drivers/clocksource/metag_generic.c

+0 −20
Original line number Diff line number Diff line
@@ -56,25 +56,6 @@ static int metag_timer_set_next_event(unsigned long delta, 
	return 0;

}



static void metag_timer_set_mode(enum clock_event_mode mode,

				 struct clock_event_device *evt)

{

	switch (mode) {

	case CLOCK_EVT_MODE_ONESHOT:

	case CLOCK_EVT_MODE_RESUME:

		break;



	case CLOCK_EVT_MODE_SHUTDOWN:

		/* We should disable the IRQ here */

		break;



	case CLOCK_EVT_MODE_PERIODIC:

	case CLOCK_EVT_MODE_UNUSED:

		WARN_ON(1);

		break;

	};

}



static cycle_t metag_clocksource_read(struct clocksource *cs)

{

	return __core_reg_get(TXTIMER);
@@ -129,7 +110,6 @@ static void arch_timer_setup(unsigned int cpu) 
	clk->rating = 200,

	clk->shift = 12,

	clk->irq = tbisig_map(TBID_SIGNUM_TRT),

	clk->set_mode = metag_timer_set_mode,

	clk->set_next_event = metag_timer_set_next_event,



	clk->mult = div_sc(hwtimer_freq, NSEC_PER_SEC, clk->shift);