On Mon, 27 May 2013, Linus Walleij wrote:
> > +static void zevio_timer_set_mode(enum clock_event_mode mode,
> > + struct clock_event_device *dev)
> > +{
> > + unsigned long flags;
> > + struct zevio_timer *timer = container_of(dev,
> > + struct zevio_timer,
> > + clkevt);
> > +
> > + local_irq_save(flags);
> > +
> > + switch (mode) {
> > + case CLOCK_EVT_MODE_PERIODIC:
> > + /* Unsupported */
> > + break;
> > + 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);
> > + dev->mode = mode;
> > + break;
> > + case CLOCK_EVT_MODE_SHUTDOWN:
> > + case CLOCK_EVT_MODE_UNUSED:
> > + /* Disable timer interrupts */
> > + writel(0, timer->interrupt_regs + IO_INTR_MSK);
> > + writel(TIMER_INTR_ALL, timer->interrupt_regs + IO_INTR_ACK);
> > + /* Stop timer */
> > + writel(CNTL_STOP_TIMER, timer->timer1 + IO_CONTROL);
> > + dev->mode = mode;
> > + break;
> > + }
>
> Surely both the compiler and checkpatch is complaining that this
> switch does not contain a default: clause?
Well, if you have a switch with an enum, the compiler complains if you
do not have a case for each enum value and the above has all enum
values covered AFAICT. :)
Thanks,
tglx
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