s390/stp: allow group and users to read stp sysfs files

There are no secrets in these files, so allow all users
to read it.
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

arch/s390/kernel/time.c

@@ -683,7 +683,7 @@ static struct bus_type stp_subsys = {
 	.dev_name	= "stp",
 };
 
-static ssize_t stp_ctn_id_show(struct device *dev,
+static ssize_t ctn_id_show(struct device *dev,
 				struct device_attribute *attr,
 				char *buf)
 {
@@ -693,9 +693,9 @@ static ssize_t stp_ctn_id_show(struct device *dev,
 		       *(unsigned long long *) stp_info.ctnid);
 }
 
-static DEVICE_ATTR(ctn_id, 0400, stp_ctn_id_show, NULL);
+static DEVICE_ATTR_RO(ctn_id);
 
-static ssize_t stp_ctn_type_show(struct device *dev,
+static ssize_t ctn_type_show(struct device *dev,
 				struct device_attribute *attr,
 				char *buf)
 {
@@ -704,9 +704,9 @@ static ssize_t stp_ctn_type_show(struct device *dev,
 	return sprintf(buf, "%i\n", stp_info.ctn);
 }
 
-static DEVICE_ATTR(ctn_type, 0400, stp_ctn_type_show, NULL);
+static DEVICE_ATTR_RO(ctn_type);
 
-static ssize_t stp_dst_offset_show(struct device *dev,
+static ssize_t dst_offset_show(struct device *dev,
 				   struct device_attribute *attr,
 				   char *buf)
 {
@@ -715,9 +715,9 @@ static ssize_t stp_dst_offset_show(struct device *dev,
 	return sprintf(buf, "%i\n", (int)(s16) stp_info.dsto);
 }
 
-static DEVICE_ATTR(dst_offset, 0400, stp_dst_offset_show, NULL);
+static DEVICE_ATTR_RO(dst_offset);
 
-static ssize_t stp_leap_seconds_show(struct device *dev,
+static ssize_t leap_seconds_show(struct device *dev,
 					struct device_attribute *attr,
 					char *buf)
 {
@@ -726,9 +726,9 @@ static ssize_t stp_leap_seconds_show(struct device *dev,
 	return sprintf(buf, "%i\n", (int)(s16) stp_info.leaps);
 }
 
-static DEVICE_ATTR(leap_seconds, 0400, stp_leap_seconds_show, NULL);
+static DEVICE_ATTR_RO(leap_seconds);
 
-static ssize_t stp_stratum_show(struct device *dev,
+static ssize_t stratum_show(struct device *dev,
 				struct device_attribute *attr,
 				char *buf)
 {
@@ -737,9 +737,9 @@ static ssize_t stp_stratum_show(struct device *dev,
 	return sprintf(buf, "%i\n", (int)(s16) stp_info.stratum);
 }
 
-static DEVICE_ATTR(stratum, 0400, stp_stratum_show, NULL);
+static DEVICE_ATTR_RO(stratum);
 
-static ssize_t stp_time_offset_show(struct device *dev,
+static ssize_t time_offset_show(struct device *dev,
 				struct device_attribute *attr,
 				char *buf)
 {
@@ -748,9 +748,9 @@ static ssize_t stp_time_offset_show(struct device *dev,
 	return sprintf(buf, "%i\n", (int) stp_info.tto);
 }
 
-static DEVICE_ATTR(time_offset, 0400, stp_time_offset_show, NULL);
+static DEVICE_ATTR_RO(time_offset);
 
-static ssize_t stp_time_zone_offset_show(struct device *dev,
+static ssize_t time_zone_offset_show(struct device *dev,
 				struct device_attribute *attr,
 				char *buf)
 {
@@ -759,10 +759,9 @@ static ssize_t stp_time_zone_offset_show(struct device *dev,
 	return sprintf(buf, "%i\n", (int)(s16) stp_info.tzo);
 }
 
-static DEVICE_ATTR(time_zone_offset, 0400,
-			 stp_time_zone_offset_show, NULL);
+static DEVICE_ATTR_RO(time_zone_offset);
 
-static ssize_t stp_timing_mode_show(struct device *dev,
+static ssize_t timing_mode_show(struct device *dev,
 				struct device_attribute *attr,
 				char *buf)
 {
@@ -771,9 +770,9 @@ static ssize_t stp_timing_mode_show(struct device *dev,
 	return sprintf(buf, "%i\n", stp_info.tmd);
 }
 
-static DEVICE_ATTR(timing_mode, 0400, stp_timing_mode_show, NULL);
+static DEVICE_ATTR_RO(timing_mode);
 
-static ssize_t stp_timing_state_show(struct device *dev,
+static ssize_t timing_state_show(struct device *dev,
 				struct device_attribute *attr,
 				char *buf)
 {
@@ -782,16 +781,16 @@ static ssize_t stp_timing_state_show(struct device *dev,
 	return sprintf(buf, "%i\n", stp_info.tst);
 }
 
-static DEVICE_ATTR(timing_state, 0400, stp_timing_state_show, NULL);
+static DEVICE_ATTR_RO(timing_state);
 
-static ssize_t stp_online_show(struct device *dev,
+static ssize_t online_show(struct device *dev,
 				struct device_attribute *attr,
 				char *buf)
 {
 	return sprintf(buf, "%i\n", stp_online);
 }
 
-static ssize_t stp_online_store(struct device *dev,
+static ssize_t online_store(struct device *dev,
 				struct device_attribute *attr,
 				const char *buf, size_t count)
 {
@@ -817,18 +816,14 @@ static ssize_t stp_online_store(struct device *dev,
  * Can't use DEVICE_ATTR because the attribute should be named
  * stp/online but dev_attr_online already exists in this file ..
  */
-static struct device_attribute dev_attr_stp_online = {
-	.attr = { .name = "online", .mode = 0600 },
-	.show	= stp_online_show,
-	.store	= stp_online_store,
-};
+static DEVICE_ATTR_RW(online);
 
 static struct device_attribute *stp_attributes[] = {
 	&dev_attr_ctn_id,
 	&dev_attr_ctn_type,
 	&dev_attr_dst_offset,
 	&dev_attr_leap_seconds,
-	&dev_attr_stp_online,
+	&dev_attr_online,
 	&dev_attr_stratum,
 	&dev_attr_time_offset,
 	&dev_attr_time_zone_offset,