4 files changed, 30 insertions, 15 deletions

diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index e55767b2ccd3..acb7e2656780 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -460,6 +460,9 @@ void gigaset_freecs(struct cardstate *cs)
 
         switch (cs->cs_init) {
         default:
+                /* clear device sysfs */
+                gigaset_free_dev_sysfs(cs);
+
                 gigaset_if_free(cs);
 
                 gig_dbg(DEBUG_INIT, "clearing hw");
@@ -699,6 +702,7 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
         cs->open_count = 0;
         cs->dev = NULL;
         cs->tty = NULL;
+        cs->class = NULL;
         cs->cidmode = cidmode != 0;
 
         //if(onechannel) { //FIXME
@@ -760,6 +764,9 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 
         gigaset_if_init(cs);
 
+        /* set up device sysfs */
+        gigaset_init_dev_sysfs(cs);
+
         spin_lock_irqsave(&cs->lock, flags);
         cs->running = 1;
         spin_unlock_irqrestore(&cs->lock, flags);
@@ -902,9 +909,6 @@ int gigaset_start(struct cardstate *cs)
 
         wait_event(cs->waitqueue, !cs->waiting);
 
-        /* set up device sysfs */
-        gigaset_init_dev_sysfs(cs);
-
         mutex_unlock(&cs->mutex);
         return 1;
 
@@ -969,9 +973,6 @@ void gigaset_stop(struct cardstate *cs)
                 //FIXME
         }
 
-        /* clear device sysfs */
-        gigaset_free_dev_sysfs(cs);
-
         cleanup_cs(cs);
 
 exit:
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
index 22b9693f7c0a..8d63d822104f 100644
--- a/drivers/isdn/gigaset/gigaset.h
+++ b/drivers/isdn/gigaset/gigaset.h
@@ -445,6 +445,7 @@ struct cardstate {
         struct gigaset_driver *driver;
         unsigned minor_index;
         struct device *dev;
+        struct class_device *class;
 
         const struct gigaset_ops *ops;
 
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 08e4c4eea14d..74fd234956c8 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -625,7 +625,14 @@ void gigaset_if_init(struct cardstate *cs)
                 return;
 
         tasklet_init(&cs->if_wake_tasklet, &if_wake, (unsigned long) cs);
-        tty_register_device(drv->tty, cs->minor_index, NULL);
+        cs->class = tty_register_device(drv->tty, cs->minor_index, NULL);
+
+        if (!IS_ERR(cs->class))
+                class_set_devdata(cs->class, cs);
+        else {
+                warn("could not register device to the tty subsystem");
+                cs->class = NULL;
+        }
 }
 
 void gigaset_if_free(struct cardstate *cs)
@@ -638,6 +645,7 @@ void gigaset_if_free(struct cardstate *cs)
 
         tasklet_disable(&cs->if_wake_tasklet);
         tasklet_kill(&cs->if_wake_tasklet);
+        cs->class = NULL;
         tty_unregister_device(drv->tty, cs->minor_index);
 }
 
diff --git a/drivers/isdn/gigaset/proc.c b/drivers/isdn/gigaset/proc.c
index d267a636b53c..9ae3a7f3e7b3 100644
--- a/drivers/isdn/gigaset/proc.c
+++ b/drivers/isdn/gigaset/proc.c
@@ -16,12 +16,11 @@
 #include "gigaset.h"
 #include <linux/ctype.h>
 
-static ssize_t show_cidmode(struct device *dev, struct device_attribute *attr,
-                            char *buf)
+static ssize_t show_cidmode(struct class_device *class, char *buf)
 {
         int ret;
         unsigned long flags;
-        struct cardstate *cs = dev_get_drvdata(dev);
+        struct cardstate *cs = class_get_devdata(class);
 
         spin_lock_irqsave(&cs->lock, flags);
         ret = sprintf(buf, "%u\n", cs->cidmode);
@@ -30,10 +29,10 @@ static ssize_t show_cidmode(struct device *dev, struct device_attribute *attr,
         return ret;
 }
 
-static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr,
+static ssize_t set_cidmode(struct class_device *class,
                            const char *buf, size_t count)
 {
-        struct cardstate *cs = dev_get_drvdata(dev);
+        struct cardstate *cs = class_get_devdata(class);
         long int value;
         char *end;
 
@@ -65,18 +64,24 @@ static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr,
         return count;
 }
 
-static DEVICE_ATTR(cidmode, S_IRUGO|S_IWUSR, show_cidmode, set_cidmode);
+static CLASS_DEVICE_ATTR(cidmode, S_IRUGO|S_IWUSR, show_cidmode, set_cidmode);
 
 /* free sysfs for device */
 void gigaset_free_dev_sysfs(struct cardstate *cs)
 {
+        if (!cs->class)
+                return;
+
         gig_dbg(DEBUG_INIT, "removing sysfs entries");
-        device_remove_file(cs->dev, &dev_attr_cidmode);
+        class_device_remove_file(cs->class, &class_device_attr_cidmode);
 }
 
 /* initialize sysfs for device */
 void gigaset_init_dev_sysfs(struct cardstate *cs)
 {
+        if (!cs->class)
+                return;
+
         gig_dbg(DEBUG_INIT, "setting up sysfs");
-        device_create_file(cs->dev, &dev_attr_cidmode);
+        class_device_create_file(cs->class, &class_device_attr_cidmode);
 }