Migrate keystone 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.
Also pass the mode-mask to keystone_timer_config() instead of the mode as mode macro's aren't valid anymore.
Cc: Santosh Shilimkar ssantosh@kernel.org Signed-off-by: Viresh Kumar viresh.kumar@linaro.org --- drivers/clocksource/timer-keystone.c | 44 +++++++++++++----------------------- 1 file changed, 16 insertions(+), 28 deletions(-)
diff --git a/drivers/clocksource/timer-keystone.c b/drivers/clocksource/timer-keystone.c index 0250354f7e55..edacf3902e10 100644 --- a/drivers/clocksource/timer-keystone.c +++ b/drivers/clocksource/timer-keystone.c @@ -72,10 +72,10 @@ static inline void keystone_timer_barrier(void)
/** * keystone_timer_config: configures timer to work in oneshot/periodic modes. - * @ mode: mode to configure + * @ mask: mask of the mode to configure * @ period: cycles number to configure for */ -static int keystone_timer_config(u64 period, enum clock_event_mode mode) +static int keystone_timer_config(u64 period, int mask) { u32 tcr; u32 off; @@ -84,16 +84,7 @@ static int keystone_timer_config(u64 period, enum clock_event_mode mode) off = tcr & ~(TCR_ENAMODE_MASK);
/* set enable mode */ - switch (mode) { - case CLOCK_EVT_MODE_ONESHOT: - tcr |= TCR_ENAMODE_ONESHOT_MASK; - break; - case CLOCK_EVT_MODE_PERIODIC: - tcr |= TCR_ENAMODE_PERIODIC_MASK; - break; - default: - return -1; - } + tcr |= mask;
/* disable timer */ keystone_timer_writel(off, TCR); @@ -138,24 +129,19 @@ static irqreturn_t keystone_timer_interrupt(int irq, void *dev_id) static int keystone_set_next_event(unsigned long cycles, struct clock_event_device *evt) { - return keystone_timer_config(cycles, evt->mode); + return keystone_timer_config(cycles, TCR_ENAMODE_ONESHOT_MASK); }
-static void keystone_set_mode(enum clock_event_mode mode, - struct clock_event_device *evt) +static int keystone_shutdown(struct clock_event_device *evt) { - switch (mode) { - case CLOCK_EVT_MODE_PERIODIC: - keystone_timer_config(timer.hz_period, CLOCK_EVT_MODE_PERIODIC); - break; - case CLOCK_EVT_MODE_UNUSED: - case CLOCK_EVT_MODE_SHUTDOWN: - case CLOCK_EVT_MODE_ONESHOT: - keystone_timer_disable(); - break; - default: - break; - } + keystone_timer_disable(); + return 0; +} + +static int keystone_set_periodic(struct clock_event_device *evt) +{ + keystone_timer_config(timer.hz_period, TCR_ENAMODE_PERIODIC_MASK); + return 0; }
static void __init keystone_timer_init(struct device_node *np) @@ -222,7 +208,9 @@ static void __init keystone_timer_init(struct device_node *np) /* setup clockevent */ event_dev->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT; event_dev->set_next_event = keystone_set_next_event; - event_dev->set_mode = keystone_set_mode; + event_dev->set_state_shutdown = keystone_shutdown; + event_dev->set_state_periodic = keystone_set_periodic; + event_dev->set_state_oneshot = keystone_shutdown; event_dev->cpumask = cpu_all_mask; event_dev->owner = THIS_MODULE; event_dev->name = TIMER_NAME;