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authorDaniel Vetter <daniel.vetter@ffwll.ch>2015-09-22 11:02:18 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-09-24 17:18:41 +0200
commit646db260b843d2f758559a5483174354c304acf8 (patch)
tree73cf06896311567e8fcb75730d4461fd689a3d3f /drivers/clocksource/timer-atmel-pit.c
parenta645654b817feba05e5156345325d19fc85ebc9f (diff)
parent1f93e4a96c9109378204c147b3eec0d0e8100fde (diff)
Merge tag 'v4.3-rc2' into topic/drm-misc
Backmerge Linux 4.3-rc2 because of conflicts in the dp helper code between bugfixes and new code. Just adjacent lines really. On top of that there's a silent conflict in the new fsl-dcu driver merged into 4.3 and commit 844f9111f6f54f88eb2f0fac121b82ce77193866 Author: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Date: Wed Sep 2 10:42:40 2015 +0200 drm/atomic: Make prepare_fb/cleanup_fb only take state, v3. which Thierry Reding spotted and provided a fixup for. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/clocksource/timer-atmel-pit.c')
-rw-r--r--drivers/clocksource/timer-atmel-pit.c45
1 files changed, 20 insertions, 25 deletions
diff --git a/drivers/clocksource/timer-atmel-pit.c b/drivers/clocksource/timer-atmel-pit.c
index c0304ff608b0..d911c5dca8f1 100644
--- a/drivers/clocksource/timer-atmel-pit.c
+++ b/drivers/clocksource/timer-atmel-pit.c
@@ -90,33 +90,27 @@ static cycle_t read_pit_clk(struct clocksource *cs)
return elapsed;
}
+static int pit_clkevt_shutdown(struct clock_event_device *dev)
+{
+ struct pit_data *data = clkevt_to_pit_data(dev);
+
+ /* disable irq, leaving the clocksource active */
+ pit_write(data->base, AT91_PIT_MR, (data->cycle - 1) | AT91_PIT_PITEN);
+ return 0;
+}
+
/*
* Clockevent device: interrupts every 1/HZ (== pit_cycles * MCK/16)
*/
-static void
-pit_clkevt_mode(enum clock_event_mode mode, struct clock_event_device *dev)
+static int pit_clkevt_set_periodic(struct clock_event_device *dev)
{
struct pit_data *data = clkevt_to_pit_data(dev);
- switch (mode) {
- case CLOCK_EVT_MODE_PERIODIC:
- /* update clocksource counter */
- data->cnt += data->cycle * PIT_PICNT(pit_read(data->base, AT91_PIT_PIVR));
- pit_write(data->base, AT91_PIT_MR,
- (data->cycle - 1) | AT91_PIT_PITEN | AT91_PIT_PITIEN);
- break;
- case CLOCK_EVT_MODE_ONESHOT:
- BUG();
- /* FALLTHROUGH */
- case CLOCK_EVT_MODE_SHUTDOWN:
- case CLOCK_EVT_MODE_UNUSED:
- /* disable irq, leaving the clocksource active */
- pit_write(data->base, AT91_PIT_MR,
- (data->cycle - 1) | AT91_PIT_PITEN);
- break;
- case CLOCK_EVT_MODE_RESUME:
- break;
- }
+ /* update clocksource counter */
+ data->cnt += data->cycle * PIT_PICNT(pit_read(data->base, AT91_PIT_PIVR));
+ pit_write(data->base, AT91_PIT_MR,
+ (data->cycle - 1) | AT91_PIT_PITEN | AT91_PIT_PITIEN);
+ return 0;
}
static void at91sam926x_pit_suspend(struct clock_event_device *cedev)
@@ -162,7 +156,7 @@ static irqreturn_t at91sam926x_pit_interrupt(int irq, void *dev_id)
WARN_ON_ONCE(!irqs_disabled());
/* The PIT interrupt may be disabled, and is shared */
- if ((data->clkevt.mode == CLOCK_EVT_MODE_PERIODIC) &&
+ if (clockevent_state_periodic(&data->clkevt) &&
(pit_read(data->base, AT91_PIT_SR) & AT91_PIT_PITS)) {
unsigned nr_ticks;
@@ -208,8 +202,8 @@ static void __init at91sam926x_pit_common_init(struct pit_data *data)
data->clksrc.mask = CLOCKSOURCE_MASK(bits);
data->clksrc.name = "pit";
data->clksrc.rating = 175;
- data->clksrc.read = read_pit_clk,
- data->clksrc.flags = CLOCK_SOURCE_IS_CONTINUOUS,
+ data->clksrc.read = read_pit_clk;
+ data->clksrc.flags = CLOCK_SOURCE_IS_CONTINUOUS;
clocksource_register_hz(&data->clksrc, pit_rate);
/* Set up irq handler */
@@ -227,7 +221,8 @@ static void __init at91sam926x_pit_common_init(struct pit_data *data)
data->clkevt.rating = 100;
data->clkevt.cpumask = cpumask_of(0);
- data->clkevt.set_mode = pit_clkevt_mode;
+ data->clkevt.set_state_shutdown = pit_clkevt_shutdown;
+ data->clkevt.set_state_periodic = pit_clkevt_set_periodic;
data->clkevt.resume = at91sam926x_pit_resume;
data->clkevt.suspend = at91sam926x_pit_suspend;
clockevents_register_device(&data->clkevt);