[S390] Use dev->groups for adding/removing the subchannel attribute group.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 0bf7166..4c81d89 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -137,6 +137,7 @@
sch->dev.parent = &css[0]->device;
sch->dev.bus = &css_bus_type;
sch->dev.release = &css_subchannel_release;
+ sch->dev.groups = subch_attr_groups;
/* make it known to the system */
ret = css_sch_device_register(sch);
@@ -146,10 +147,6 @@
return ret;
}
css_get_ssd_info(sch);
- ret = subchannel_add_files(&sch->dev);
- if (ret)
- printk(KERN_WARNING "%s: could not add attributes to %s\n",
- __func__, sch->dev.bus_id);
return ret;
}
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index 71fe380..3464c5b 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -195,4 +195,5 @@
extern struct work_struct slow_path_work;
int subchannel_add_files (struct device *);
+extern struct attribute_group *subch_attr_groups[];
#endif
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 7fe1ccd..8035790 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -235,9 +235,11 @@
ssize_t ret = 0;
int chp;
- for (chp = 0; chp < 8; chp++)
- ret += sprintf (buf+ret, "%02x ", ssd->chpid[chp]);
-
+ if (ssd)
+ for (chp = 0; chp < 8; chp++)
+ ret += sprintf (buf+ret, "%02x ", ssd->chpid[chp]);
+ else
+ ret += sprintf (buf, "n/a");
ret += sprintf (buf+ret, "\n");
return min((ssize_t)PAGE_SIZE, ret);
}
@@ -531,10 +533,10 @@
.attrs = subch_attrs,
};
-int subchannel_add_files (struct device *dev)
-{
- return sysfs_create_group(&dev->kobj, &subch_attr_group);
-}
+struct attribute_group *subch_attr_groups[] = {
+ &subch_attr_group,
+ NULL,
+};
static struct attribute * ccwdev_attrs[] = {
&dev_attr_devtype.attr,