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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
commit8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch)
treee9891aa6c295060d065adffd610c4f49ecf884f3 /arch/mips/kernel/cevt-gt641xx.c
parenta71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff)
Linux-libre 4.3.2-gnu
Diffstat (limited to 'arch/mips/kernel/cevt-gt641xx.c')
-rw-r--r--arch/mips/kernel/cevt-gt641xx.c57
1 files changed, 39 insertions, 18 deletions
diff --git a/arch/mips/kernel/cevt-gt641xx.c b/arch/mips/kernel/cevt-gt641xx.c
index f06946075..660400511 100644
--- a/arch/mips/kernel/cevt-gt641xx.c
+++ b/arch/mips/kernel/cevt-gt641xx.c
@@ -64,8 +64,7 @@ static int gt641xx_timer0_set_next_event(unsigned long delta,
return 0;
}
-static void gt641xx_timer0_set_mode(enum clock_event_mode mode,
- struct clock_event_device *evt)
+static int gt641xx_timer0_shutdown(struct clock_event_device *evt)
{
u32 ctrl;
@@ -73,21 +72,39 @@ static void gt641xx_timer0_set_mode(enum clock_event_mode mode,
ctrl = GT_READ(GT_TC_CONTROL_OFS);
ctrl &= ~(GT_TC_CONTROL_ENTC0_MSK | GT_TC_CONTROL_SELTC0_MSK);
+ GT_WRITE(GT_TC_CONTROL_OFS, ctrl);
+
+ raw_spin_unlock(&gt641xx_timer_lock);
+ return 0;
+}
+
+static int gt641xx_timer0_set_oneshot(struct clock_event_device *evt)
+{
+ u32 ctrl;
+
+ raw_spin_lock(&gt641xx_timer_lock);
+
+ ctrl = GT_READ(GT_TC_CONTROL_OFS);
+ ctrl &= ~GT_TC_CONTROL_SELTC0_MSK;
+ ctrl |= GT_TC_CONTROL_ENTC0_MSK;
+ GT_WRITE(GT_TC_CONTROL_OFS, ctrl);
+
+ raw_spin_unlock(&gt641xx_timer_lock);
+ return 0;
+}
- switch (mode) {
- case CLOCK_EVT_MODE_PERIODIC:
- ctrl |= GT_TC_CONTROL_ENTC0_MSK | GT_TC_CONTROL_SELTC0_MSK;
- break;
- case CLOCK_EVT_MODE_ONESHOT:
- ctrl |= GT_TC_CONTROL_ENTC0_MSK;
- break;
- default:
- break;
- }
+static int gt641xx_timer0_set_periodic(struct clock_event_device *evt)
+{
+ u32 ctrl;
+
+ raw_spin_lock(&gt641xx_timer_lock);
+ ctrl = GT_READ(GT_TC_CONTROL_OFS);
+ ctrl |= GT_TC_CONTROL_ENTC0_MSK | GT_TC_CONTROL_SELTC0_MSK;
GT_WRITE(GT_TC_CONTROL_OFS, ctrl);
raw_spin_unlock(&gt641xx_timer_lock);
+ return 0;
}
static void gt641xx_timer0_event_handler(struct clock_event_device *dev)
@@ -95,12 +112,16 @@ static void gt641xx_timer0_event_handler(struct clock_event_device *dev)
}
static struct clock_event_device gt641xx_timer0_clockevent = {
- .name = "gt641xx-timer0",
- .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
- .irq = GT641XX_TIMER0_IRQ,
- .set_next_event = gt641xx_timer0_set_next_event,
- .set_mode = gt641xx_timer0_set_mode,
- .event_handler = gt641xx_timer0_event_handler,
+ .name = "gt641xx-timer0",
+ .features = CLOCK_EVT_FEAT_PERIODIC |
+ CLOCK_EVT_FEAT_ONESHOT,
+ .irq = GT641XX_TIMER0_IRQ,
+ .set_next_event = gt641xx_timer0_set_next_event,
+ .set_state_shutdown = gt641xx_timer0_shutdown,
+ .set_state_periodic = gt641xx_timer0_set_periodic,
+ .set_state_oneshot = gt641xx_timer0_set_oneshot,
+ .tick_resume = gt641xx_timer0_shutdown,
+ .event_handler = gt641xx_timer0_event_handler,
};
static irqreturn_t gt641xx_timer0_interrupt(int irq, void *dev_id)