clockevents/drivers/integrator: Migrate to new 'set-state' interface
Migrate integrator 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. For oneshot mode the clkevt device was first getting disabled by clearing TIMER_CTRL_ENABLE bits in TIMER_CTRL register, followed by clearing TIMER_CTRL_PERIODIC bit. Both these are done with a single write operation now. Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: NViresh Kumar <viresh.kumar@linaro.org> Signed-off-by: NDaniel Lezcano <daniel.lezcano@linaro.org> Acked-by: NLinus Walleij <linus.walleij@linaro.org>
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