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-rw-r--r--drivers/clocksource/sh_cmt.c26
-rw-r--r--drivers/clocksource/sh_mtu2.c6
-rw-r--r--drivers/clocksource/sh_tmu.c16
3 files changed, 22 insertions, 26 deletions
diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c
index 32fe9ef5cc5..98b06baafcc 100644
--- a/drivers/clocksource/sh_cmt.c
+++ b/drivers/clocksource/sh_cmt.c
@@ -48,13 +48,13 @@ struct sh_cmt_priv {
unsigned long next_match_value;
unsigned long max_match_value;
unsigned long rate;
- spinlock_t lock;
+ raw_spinlock_t lock;
struct clock_event_device ced;
struct clocksource cs;
unsigned long total_cycles;
};
-static DEFINE_SPINLOCK(sh_cmt_lock);
+static DEFINE_RAW_SPINLOCK(sh_cmt_lock);
#define CMSTR -1 /* shared register */
#define CMCSR 0 /* channel register */
@@ -139,7 +139,7 @@ static void sh_cmt_start_stop_ch(struct sh_cmt_priv *p, int start)
unsigned long flags, value;
/* start stop register shared by multiple timer channels */
- spin_lock_irqsave(&sh_cmt_lock, flags);
+ raw_spin_lock_irqsave(&sh_cmt_lock, flags);
value = sh_cmt_read(p, CMSTR);
if (start)
@@ -148,7 +148,7 @@ static void sh_cmt_start_stop_ch(struct sh_cmt_priv *p, int start)
value &= ~(1 << cfg->timer_bit);
sh_cmt_write(p, CMSTR, value);
- spin_unlock_irqrestore(&sh_cmt_lock, flags);
+ raw_spin_unlock_irqrestore(&sh_cmt_lock, flags);
}
static int sh_cmt_enable(struct sh_cmt_priv *p, unsigned long *rate)
@@ -328,9 +328,9 @@ static void sh_cmt_set_next(struct sh_cmt_priv *p, unsigned long delta)
{
unsigned long flags;
- spin_lock_irqsave(&p->lock, flags);
+ raw_spin_lock_irqsave(&p->lock, flags);
__sh_cmt_set_next(p, delta);
- spin_unlock_irqrestore(&p->lock, flags);
+ raw_spin_unlock_irqrestore(&p->lock, flags);
}
static irqreturn_t sh_cmt_interrupt(int irq, void *dev_id)
@@ -385,7 +385,7 @@ static int sh_cmt_start(struct sh_cmt_priv *p, unsigned long flag)
int ret = 0;
unsigned long flags;
- spin_lock_irqsave(&p->lock, flags);
+ raw_spin_lock_irqsave(&p->lock, flags);
if (!(p->flags & (FLAG_CLOCKEVENT | FLAG_CLOCKSOURCE)))
ret = sh_cmt_enable(p, &p->rate);
@@ -398,7 +398,7 @@ static int sh_cmt_start(struct sh_cmt_priv *p, unsigned long flag)
if ((flag == FLAG_CLOCKSOURCE) && (!(p->flags & FLAG_CLOCKEVENT)))
__sh_cmt_set_next(p, p->max_match_value);
out:
- spin_unlock_irqrestore(&p->lock, flags);
+ raw_spin_unlock_irqrestore(&p->lock, flags);
return ret;
}
@@ -408,7 +408,7 @@ static void sh_cmt_stop(struct sh_cmt_priv *p, unsigned long flag)
unsigned long flags;
unsigned long f;
- spin_lock_irqsave(&p->lock, flags);
+ raw_spin_lock_irqsave(&p->lock, flags);
f = p->flags & (FLAG_CLOCKEVENT | FLAG_CLOCKSOURCE);
p->flags &= ~flag;
@@ -420,7 +420,7 @@ static void sh_cmt_stop(struct sh_cmt_priv *p, unsigned long flag)
if ((flag == FLAG_CLOCKEVENT) && (p->flags & FLAG_CLOCKSOURCE))
__sh_cmt_set_next(p, p->max_match_value);
- spin_unlock_irqrestore(&p->lock, flags);
+ raw_spin_unlock_irqrestore(&p->lock, flags);
}
static struct sh_cmt_priv *cs_to_sh_cmt(struct clocksource *cs)
@@ -435,13 +435,13 @@ static cycle_t sh_cmt_clocksource_read(struct clocksource *cs)
unsigned long value;
int has_wrapped;
- spin_lock_irqsave(&p->lock, flags);
+ raw_spin_lock_irqsave(&p->lock, flags);
value = p->total_cycles;
raw = sh_cmt_get_counter(p, &has_wrapped);
if (unlikely(has_wrapped))
raw += p->match_value + 1;
- spin_unlock_irqrestore(&p->lock, flags);
+ raw_spin_unlock_irqrestore(&p->lock, flags);
return value + raw;
}
@@ -591,7 +591,7 @@ static int sh_cmt_register(struct sh_cmt_priv *p, char *name,
p->max_match_value = (1 << p->width) - 1;
p->match_value = p->max_match_value;
- spin_lock_init(&p->lock);
+ raw_spin_lock_init(&p->lock);
if (clockevent_rating)
sh_cmt_register_clockevent(p, name, clockevent_rating);
diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c
index a2172f69041..d9b76ca64a6 100644
--- a/drivers/clocksource/sh_mtu2.c
+++ b/drivers/clocksource/sh_mtu2.c
@@ -43,7 +43,7 @@ struct sh_mtu2_priv {
struct clock_event_device ced;
};
-static DEFINE_SPINLOCK(sh_mtu2_lock);
+static DEFINE_RAW_SPINLOCK(sh_mtu2_lock);
#define TSTR -1 /* shared register */
#define TCR 0 /* channel register */
@@ -107,7 +107,7 @@ static void sh_mtu2_start_stop_ch(struct sh_mtu2_priv *p, int start)
unsigned long flags, value;
/* start stop register shared by multiple timer channels */
- spin_lock_irqsave(&sh_mtu2_lock, flags);
+ raw_spin_lock_irqsave(&sh_mtu2_lock, flags);
value = sh_mtu2_read(p, TSTR);
if (start)
@@ -116,7 +116,7 @@ static void sh_mtu2_start_stop_ch(struct sh_mtu2_priv *p, int start)
value &= ~(1 << cfg->timer_bit);
sh_mtu2_write(p, TSTR, value);
- spin_unlock_irqrestore(&sh_mtu2_lock, flags);
+ raw_spin_unlock_irqrestore(&sh_mtu2_lock, flags);
}
static int sh_mtu2_enable(struct sh_mtu2_priv *p)
diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c
index 97f54b634be..c1b51d49d10 100644
--- a/drivers/clocksource/sh_tmu.c
+++ b/drivers/clocksource/sh_tmu.c
@@ -45,7 +45,7 @@ struct sh_tmu_priv {
struct clocksource cs;
};
-static DEFINE_SPINLOCK(sh_tmu_lock);
+static DEFINE_RAW_SPINLOCK(sh_tmu_lock);
#define TSTR -1 /* shared register */
#define TCOR 0 /* channel register */
@@ -95,7 +95,7 @@ static void sh_tmu_start_stop_ch(struct sh_tmu_priv *p, int start)
unsigned long flags, value;
/* start stop register shared by multiple timer channels */
- spin_lock_irqsave(&sh_tmu_lock, flags);
+ raw_spin_lock_irqsave(&sh_tmu_lock, flags);
value = sh_tmu_read(p, TSTR);
if (start)
@@ -104,7 +104,7 @@ static void sh_tmu_start_stop_ch(struct sh_tmu_priv *p, int start)
value &= ~(1 << cfg->timer_bit);
sh_tmu_write(p, TSTR, value);
- spin_unlock_irqrestore(&sh_tmu_lock, flags);
+ raw_spin_unlock_irqrestore(&sh_tmu_lock, flags);
}
static int sh_tmu_enable(struct sh_tmu_priv *p)
@@ -245,12 +245,7 @@ static void sh_tmu_clock_event_start(struct sh_tmu_priv *p, int periodic)
sh_tmu_enable(p);
- /* TODO: calculate good shift from rate and counter bit width */
-
- ced->shift = 32;
- ced->mult = div_sc(p->rate, NSEC_PER_SEC, ced->shift);
- ced->max_delta_ns = clockevent_delta2ns(0xffffffff, ced);
- ced->min_delta_ns = 5000;
+ clockevents_config(ced, p->rate);
if (periodic) {
p->periodic = (p->rate + HZ/2) / HZ;
@@ -323,7 +318,8 @@ static void sh_tmu_register_clockevent(struct sh_tmu_priv *p,
ced->set_mode = sh_tmu_clock_event_mode;
dev_info(&p->pdev->dev, "used for clock events\n");
- clockevents_register_device(ced);
+
+ clockevents_config_and_register(ced, 1, 0x300, 0xffffffff);
ret = setup_irq(p->irqaction.irq, &p->irqaction);
if (ret) {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-02 21:55:35 +0000