[PATCH 06/11] char/mmtimer:Convert to the 64bit methods for k_clock callback function

Baolin Wang
2015-04-20T05:57:34Z

This patch converts to the 64bit methods for k_clock callback
function, that converts the timespec type to timespec64 type and
converts the itimerspec type to itimerspec64 type.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
---
drivers/char/mmtimer.c | 36 +++++++++++++++++-------------------
1 file changed, 17 insertions(+), 19 deletions(-)

diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c
index 3d6c067..213d0bb 100644
--- a/drivers/char/mmtimer.c
+++ b/drivers/char/mmtimer.c
@@ -478,18 +478,18 @@ static int sgi_clock_period;
static struct timespec sgi_clock_offset;
static int sgi_clock_period;

-static int sgi_clock_get(clockid_t clockid, struct timespec *tp)
+static int sgi_clock_get(clockid_t clockid, struct timespec64 *tp)
{
u64 nsec;

nsec = rtc_time() * sgi_clock_period
+ sgi_clock_offset.tv_nsec;
- *tp = ns_to_timespec(nsec);
+ *tp = ns_to_timespec64(nsec);
tp->tv_sec += sgi_clock_offset.tv_sec;
return 0;
};

-static int sgi_clock_set(const clockid_t clockid, const struct timespec *tp)
+static int sgi_clock_set(const clockid_t clockid, const struct timespec64 *tp)
{

u64 nsec;
@@ -657,7 +657,7 @@ static int sgi_timer_del(struct k_itimer *timr)
}

/* Assumption: it_lock is already held with irq's disabled */
-static void sgi_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting)
+static void sgi_timer_get(struct k_itimer *timr, struct itimerspec64 *cur_setting)
{

if (timr->it.mmtimer.clock == TIMER_OFF) {
@@ -668,14 +668,14 @@ static void sgi_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting)
return;
}

- cur_setting->it_interval = ns_to_timespec(timr->it.mmtimer.incr * sgi_clock_period);
- cur_setting->it_value = ns_to_timespec((timr->it.mmtimer.expires - rtc_time()) * sgi_clock_period);
+ cur_setting->it_interval = ns_to_timespec64(timr->it.mmtimer.incr * sgi_clock_period);
+ cur_setting->it_value = ns_to_timespec64((timr->it.mmtimer.expires - rtc_time()) * sgi_clock_period);
}

static int sgi_timer_set(struct k_itimer *timr, int flags,
- struct itimerspec * new_setting,
- struct itimerspec * old_setting)
+ struct itimerspec64 *new_setting,
+ struct itimerspec64 *old_setting)
{
unsigned long when, period, irqflags;
int err = 0;
@@ -687,8 +687,8 @@ static int sgi_timer_set(struct k_itimer *timr, int flags,
sgi_timer_get(timr, old_setting);

sgi_timer_del(timr);
- when = timespec_to_ns(&new_setting->it_value);
- period = timespec_to_ns(&new_setting->it_interval);
+ when = timespec64_to_ns(&new_setting->it_value);
+ period = timespec64_to_ns(&new_setting->it_interval);

if (when == 0)
/* Clear timer */
@@ -699,11 +699,9 @@ static int sgi_timer_set(struct k_itimer *timr, int flags,
return -ENOMEM;

if (flags & TIMER_ABSTIME) {
- struct timespec n;
unsigned long now;

- getnstimeofday(&n);
- now = timespec_to_ns(&n);
+ now = ktime_get_real_ns();
if (when > now)
when -= now;
else
@@ -765,7 +763,7 @@ static int sgi_timer_set(struct k_itimer *timr, int flags,
return err;
}

-static int sgi_clock_getres(const clockid_t which_clock, struct timespec *tp)
+static int sgi_clock_getres(const clockid_t which_clock, struct timespec64 *tp)
{
tp->tv_sec = 0;
tp->tv_nsec = sgi_clock_period;
@@ -773,13 +771,13 @@ static int sgi_clock_getres(const clockid_t which_clock, struct timespec *tp)
}

static struct k_clock sgi_clock = {
- .clock_set = sgi_clock_set,
- .clock_get = sgi_clock_get,
- .clock_getres = sgi_clock_getres,
+ .clock_set64 = sgi_clock_set,
+ .clock_get64 = sgi_clock_get,
+ .clock_getres64 = sgi_clock_getres,
.timer_create = sgi_timer_create,
- .timer_set = sgi_timer_set,
+ .timer_set64 = sgi_timer_set,
.timer_del = sgi_timer_del,
- .timer_get = sgi_timer_get
+ .timer_get64 = sgi_timer_get
};

/**
--
1.7.9.5