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authorViresh Kumar <viresh.kumar@linaro.org>2015-06-18 13:54:30 +0300
committerDaniel Lezcano <daniel.lezcano@linaro.org>2015-08-10 12:40:35 +0300
commit47d490ea1529633f02209fcb4e89438995375a6f (patch)
treefe67a5435b19537390e3ee26f271c455bedd0d5d /drivers/clocksource/pxa_timer.c
parent9b0af69947562858059b379794b6e94309f367ed (diff)
downloadlinux-47d490ea1529633f02209fcb4e89438995375a6f.tar.xz
clockevents/drivers/pxa: Migrate to new 'set-state' interface
Migrate pxa 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. Both oneshot and shutdown modes had exactly same code and so only a single callback is sufficient now, which will be called for both the modes. Cc: Robert Jarzmik <robert.jarzmik@free.fr> Cc: Russell King <linux@arm.linux.org.uk> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Diffstat (limited to 'drivers/clocksource/pxa_timer.c')
-rw-r--r--drivers/clocksource/pxa_timer.c39
1 files changed, 13 insertions, 26 deletions
diff --git a/drivers/clocksource/pxa_timer.c b/drivers/clocksource/pxa_timer.c
index d9438af2bbd6..45b6a4999713 100644
--- a/drivers/clocksource/pxa_timer.c
+++ b/drivers/clocksource/pxa_timer.c
@@ -88,26 +88,12 @@ pxa_osmr0_set_next_event(unsigned long delta, struct clock_event_device *dev)
return (signed)(next - oscr) <= MIN_OSCR_DELTA ? -ETIME : 0;
}
-static void
-pxa_osmr0_set_mode(enum clock_event_mode mode, struct clock_event_device *dev)
+static int pxa_osmr0_shutdown(struct clock_event_device *evt)
{
- switch (mode) {
- case CLOCK_EVT_MODE_ONESHOT:
- timer_writel(timer_readl(OIER) & ~OIER_E0, OIER);
- timer_writel(OSSR_M0, OSSR);
- break;
-
- case CLOCK_EVT_MODE_UNUSED:
- case CLOCK_EVT_MODE_SHUTDOWN:
- /* initializing, released, or preparing for suspend */
- timer_writel(timer_readl(OIER) & ~OIER_E0, OIER);
- timer_writel(OSSR_M0, OSSR);
- break;
-
- case CLOCK_EVT_MODE_RESUME:
- case CLOCK_EVT_MODE_PERIODIC:
- break;
- }
+ /* initializing, released, or preparing for suspend */
+ timer_writel(timer_readl(OIER) & ~OIER_E0, OIER);
+ timer_writel(OSSR_M0, OSSR);
+ return 0;
}
#ifdef CONFIG_PM
@@ -147,13 +133,14 @@ static void pxa_timer_resume(struct clock_event_device *cedev)
#endif
static struct clock_event_device ckevt_pxa_osmr0 = {
- .name = "osmr0",
- .features = CLOCK_EVT_FEAT_ONESHOT,
- .rating = 200,
- .set_next_event = pxa_osmr0_set_next_event,
- .set_mode = pxa_osmr0_set_mode,
- .suspend = pxa_timer_suspend,
- .resume = pxa_timer_resume,
+ .name = "osmr0",
+ .features = CLOCK_EVT_FEAT_ONESHOT,
+ .rating = 200,
+ .set_next_event = pxa_osmr0_set_next_event,
+ .set_state_shutdown = pxa_osmr0_shutdown,
+ .set_state_oneshot = pxa_osmr0_shutdown,
+ .suspend = pxa_timer_suspend,
+ .resume = pxa_timer_resume,
};
static struct irqaction pxa_ost0_irq = {