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authorViresh Kumar <viresh.kumar@linaro.org>2015-06-18 12:54:37 +0200
committerDaniel Lezcano <daniel.lezcano@linaro.org>2015-08-10 11:40:40 +0200
commit6de6c977bdf61b1ca6f321aba468275c32952d79 (patch)
tree12409d15e3b3e9d54306186078f6f2d3bb31995c
parentclockevents/drivers/sh_tmu: Migrate to new 'set-state' interface (diff)
downloadlinux-6de6c977bdf61b1ca6f321aba468275c32952d79.tar.xz
linux-6de6c977bdf61b1ca6f321aba468275c32952d79.zip
clockevents/drivers/sun4i: Migrate to new 'set-state' interface
Migrate sun4i 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: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
-rw-r--r--drivers/clocksource/sun4i_timer.c41
1 files changed, 22 insertions, 19 deletions
diff --git a/drivers/clocksource/sun4i_timer.c b/drivers/clocksource/sun4i_timer.c
index 1928a8912584..6f3719d73390 100644
--- a/drivers/clocksource/sun4i_timer.c
+++ b/drivers/clocksource/sun4i_timer.c
@@ -81,25 +81,25 @@ static void sun4i_clkevt_time_start(u8 timer, bool periodic)
timer_base + TIMER_CTL_REG(timer));
}
-static void sun4i_clkevt_mode(enum clock_event_mode mode,
- struct clock_event_device *clk)
+static int sun4i_clkevt_shutdown(struct clock_event_device *evt)
{
- switch (mode) {
- case CLOCK_EVT_MODE_PERIODIC:
- sun4i_clkevt_time_stop(0);
- sun4i_clkevt_time_setup(0, ticks_per_jiffy);
- sun4i_clkevt_time_start(0, true);
- break;
- case CLOCK_EVT_MODE_ONESHOT:
- sun4i_clkevt_time_stop(0);
- sun4i_clkevt_time_start(0, false);
- break;
- case CLOCK_EVT_MODE_UNUSED:
- case CLOCK_EVT_MODE_SHUTDOWN:
- default:
- sun4i_clkevt_time_stop(0);
- break;
- }
+ sun4i_clkevt_time_stop(0);
+ return 0;
+}
+
+static int sun4i_clkevt_set_oneshot(struct clock_event_device *evt)
+{
+ sun4i_clkevt_time_stop(0);
+ sun4i_clkevt_time_start(0, false);
+ return 0;
+}
+
+static int sun4i_clkevt_set_periodic(struct clock_event_device *evt)
+{
+ sun4i_clkevt_time_stop(0);
+ sun4i_clkevt_time_setup(0, ticks_per_jiffy);
+ sun4i_clkevt_time_start(0, true);
+ return 0;
}
static int sun4i_clkevt_next_event(unsigned long evt,
@@ -116,7 +116,10 @@ static struct clock_event_device sun4i_clockevent = {
.name = "sun4i_tick",
.rating = 350,
.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
- .set_mode = sun4i_clkevt_mode,
+ .set_state_shutdown = sun4i_clkevt_shutdown,
+ .set_state_periodic = sun4i_clkevt_set_periodic,
+ .set_state_oneshot = sun4i_clkevt_set_oneshot,
+ .tick_resume = sun4i_clkevt_shutdown,
.set_next_event = sun4i_clkevt_next_event,
};