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Diffstat (limited to 'arch/s390/kernel/time.c')
-rw-r--r--arch/s390/kernel/time.c38
1 files changed, 22 insertions, 16 deletions
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index b713effe0579..34a65c141ea0 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -36,7 +36,6 @@
#include <linux/profile.h>
#include <linux/timex.h>
#include <linux/notifier.h>
-#include <linux/timekeeper_internal.h>
#include <linux/clockchips.h>
#include <linux/gfp.h>
#include <linux/kprobes.h>
@@ -255,6 +254,7 @@ static struct clocksource clocksource_tod = {
.shift = 24,
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
.vdso_clock_mode = VDSO_CLOCKMODE_TOD,
+ .id = CSID_S390_TOD,
};
struct clocksource * __init clocksource_default_clock(void)
@@ -468,6 +468,12 @@ static void __init stp_reset(void)
}
}
+bool stp_enabled(void)
+{
+ return test_bit(CLOCK_SYNC_HAS_STP, &clock_sync_flags) && stp_online;
+}
+EXPORT_SYMBOL(stp_enabled);
+
static void stp_timeout(struct timer_list *unused)
{
queue_work(time_sync_wq, &stp_work);
@@ -729,8 +735,8 @@ static ssize_t ctn_id_show(struct device *dev,
mutex_lock(&stp_mutex);
if (stpinfo_valid())
- ret = sprintf(buf, "%016lx\n",
- *(unsigned long *) stp_info.ctnid);
+ ret = sysfs_emit(buf, "%016lx\n",
+ *(unsigned long *)stp_info.ctnid);
mutex_unlock(&stp_mutex);
return ret;
}
@@ -745,7 +751,7 @@ static ssize_t ctn_type_show(struct device *dev,
mutex_lock(&stp_mutex);
if (stpinfo_valid())
- ret = sprintf(buf, "%i\n", stp_info.ctn);
+ ret = sysfs_emit(buf, "%i\n", stp_info.ctn);
mutex_unlock(&stp_mutex);
return ret;
}
@@ -760,7 +766,7 @@ static ssize_t dst_offset_show(struct device *dev,
mutex_lock(&stp_mutex);
if (stpinfo_valid() && (stp_info.vbits & 0x2000))
- ret = sprintf(buf, "%i\n", (int)(s16) stp_info.dsto);
+ ret = sysfs_emit(buf, "%i\n", (int)(s16)stp_info.dsto);
mutex_unlock(&stp_mutex);
return ret;
}
@@ -775,7 +781,7 @@ static ssize_t leap_seconds_show(struct device *dev,
mutex_lock(&stp_mutex);
if (stpinfo_valid() && (stp_info.vbits & 0x8000))
- ret = sprintf(buf, "%i\n", (int)(s16) stp_info.leaps);
+ ret = sysfs_emit(buf, "%i\n", (int)(s16)stp_info.leaps);
mutex_unlock(&stp_mutex);
return ret;
}
@@ -801,11 +807,11 @@ static ssize_t leap_seconds_scheduled_show(struct device *dev,
return ret;
if (!stzi.lsoib.p)
- return sprintf(buf, "0,0\n");
+ return sysfs_emit(buf, "0,0\n");
- return sprintf(buf, "%lu,%d\n",
- tod_to_ns(stzi.lsoib.nlsout - TOD_UNIX_EPOCH) / NSEC_PER_SEC,
- stzi.lsoib.nlso - stzi.lsoib.also);
+ return sysfs_emit(buf, "%lu,%d\n",
+ tod_to_ns(stzi.lsoib.nlsout - TOD_UNIX_EPOCH) / NSEC_PER_SEC,
+ stzi.lsoib.nlso - stzi.lsoib.also);
}
static DEVICE_ATTR_RO(leap_seconds_scheduled);
@@ -818,7 +824,7 @@ static ssize_t stratum_show(struct device *dev,
mutex_lock(&stp_mutex);
if (stpinfo_valid())
- ret = sprintf(buf, "%i\n", (int)(s16) stp_info.stratum);
+ ret = sysfs_emit(buf, "%i\n", (int)(s16)stp_info.stratum);
mutex_unlock(&stp_mutex);
return ret;
}
@@ -833,7 +839,7 @@ static ssize_t time_offset_show(struct device *dev,
mutex_lock(&stp_mutex);
if (stpinfo_valid() && (stp_info.vbits & 0x0800))
- ret = sprintf(buf, "%i\n", (int) stp_info.tto);
+ ret = sysfs_emit(buf, "%i\n", (int)stp_info.tto);
mutex_unlock(&stp_mutex);
return ret;
}
@@ -848,7 +854,7 @@ static ssize_t time_zone_offset_show(struct device *dev,
mutex_lock(&stp_mutex);
if (stpinfo_valid() && (stp_info.vbits & 0x4000))
- ret = sprintf(buf, "%i\n", (int)(s16) stp_info.tzo);
+ ret = sysfs_emit(buf, "%i\n", (int)(s16)stp_info.tzo);
mutex_unlock(&stp_mutex);
return ret;
}
@@ -863,7 +869,7 @@ static ssize_t timing_mode_show(struct device *dev,
mutex_lock(&stp_mutex);
if (stpinfo_valid())
- ret = sprintf(buf, "%i\n", stp_info.tmd);
+ ret = sysfs_emit(buf, "%i\n", stp_info.tmd);
mutex_unlock(&stp_mutex);
return ret;
}
@@ -878,7 +884,7 @@ static ssize_t timing_state_show(struct device *dev,
mutex_lock(&stp_mutex);
if (stpinfo_valid())
- ret = sprintf(buf, "%i\n", stp_info.tst);
+ ret = sysfs_emit(buf, "%i\n", stp_info.tst);
mutex_unlock(&stp_mutex);
return ret;
}
@@ -889,7 +895,7 @@ static ssize_t online_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- return sprintf(buf, "%i\n", stp_online);
+ return sysfs_emit(buf, "%i\n", stp_online);
}
static ssize_t online_store(struct device *dev,