Re: [PATCH 41/41] clocksource: zevio: Migrate to new 'set-state' interface

From: Viresh Kumar
Date: Fri Jul 03 2015 - 04:56:33 EST


On 02-07-15, 22:11, Daniel Lezcano wrote:
> On 06/18/2015 12:54 PM, Viresh Kumar wrote:
> >Migrate zevio 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: Daniel Tang <dt.tangr@xxxxxxxxx>
> >Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> >---
>
> [ ... ]
>
> > static irqreturn_t zevio_timer_interrupt(int irq, void *dev_id)
> >@@ -162,7 +158,9 @@ static int __init zevio_timer_add(struct device_node *node)
> > if (timer->interrupt_regs && irqnr) {
> > timer->clkevt.name = timer->clockevent_name;
> > timer->clkevt.set_next_event = zevio_timer_set_event;
> >- timer->clkevt.set_mode = zevio_timer_set_mode;
> >+ timer->clkevt.set_state_shutdown = zevio_timer_shutdown;
> >+ timer->clkevt.set_state_oneshot = zevio_timer_set_oneshot;
> >+ timer->clkevt.tick_resume = zevio_timer_set_oneshot;
>
> Why is tick_resume added here ?

I am assuming you are lost because of reviewing too many similar
patches, but anyway below was part of the diff and so resume was
required :)

- switch (mode) {
- case CLOCK_EVT_MODE_RESUME:
- case CLOCK_EVT_MODE_ONESHOT:
- /* Enable timer interrupts */
- writel(TIMER_INTR_MSK, timer->interrupt_regs + IO_INTR_MSK);
- writel(TIMER_INTR_ALL, timer->interrupt_regs + IO_INTR_ACK);
- break;

--
viresh
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