1 files changed, 72 insertions, 10 deletions

diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index c63babefb698..3c77bfe0764c 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -90,7 +90,6 @@
 #include <linux/timer.h>
 #include <linux/types.h>
 
-#include "cu3088.h"
 #include "claw.h"
 
 /*
@@ -258,6 +257,9 @@ static int claw_pm_prepare(struct ccwgroup_device *gdev)
         return -EPERM;
 }
 
+/* the root device for claw group devices */
+static struct device *claw_root_dev;
+
 /* ccwgroup table  */
 
 static struct ccwgroup_driver claw_group_driver = {
@@ -272,6 +274,47 @@ static struct ccwgroup_driver claw_group_driver = {
         .prepare     = claw_pm_prepare,
 };
 
+static struct ccw_device_id claw_ids[] = {
+        {CCW_DEVICE(0x3088, 0x61), .driver_info = claw_channel_type_claw},
+        {},
+};
+MODULE_DEVICE_TABLE(ccw, claw_ids);
+
+static struct ccw_driver claw_ccw_driver = {
+        .owner  = THIS_MODULE,
+        .name   = "claw",
+        .ids    = claw_ids,
+        .probe  = ccwgroup_probe_ccwdev,
+        .remove = ccwgroup_remove_ccwdev,
+};
+
+static ssize_t
+claw_driver_group_store(struct device_driver *ddrv, const char *buf,
+                        size_t count)
+{
+        int err;
+        err = ccwgroup_create_from_string(claw_root_dev,
+                                          claw_group_driver.driver_id,
+                                          &claw_ccw_driver, 3, buf);
+        return err ? err : count;
+}
+
+static DRIVER_ATTR(group, 0200, NULL, claw_driver_group_store);
+
+static struct attribute *claw_group_attrs[] = {
+        &driver_attr_group.attr,
+        NULL,
+};
+
+static struct attribute_group claw_group_attr_group = {
+        .attrs = claw_group_attrs,
+};
+
+static const struct attribute_group *claw_group_attr_groups[] = {
+        &claw_group_attr_group,
+        NULL,
+};
+
 /*
 *       Key functions
 */
@@ -3326,7 +3369,11 @@ claw_remove_files(struct device *dev)
 static void __exit
 claw_cleanup(void)
 {
-        unregister_cu3088_discipline(&claw_group_driver);
+        driver_remove_file(&claw_group_driver.driver,
+                           &driver_attr_group);
+        ccwgroup_driver_unregister(&claw_group_driver);
+        ccw_driver_unregister(&claw_ccw_driver);
+        root_device_unregister(claw_root_dev);
         claw_unregister_debug_facility();
         pr_info("Driver unloaded\n");
 
@@ -3348,16 +3395,31 @@ claw_init(void)
         if (ret) {
                 pr_err("Registering with the S/390 debug feature"
                         " failed with error code %d\n", ret);
-                return ret;
+                goto out_err;
         }
         CLAW_DBF_TEXT(2, setup, "init_mod");
-        ret = register_cu3088_discipline(&claw_group_driver);
-        if (ret) {
-                CLAW_DBF_TEXT(2, setup, "init_bad");
-                claw_unregister_debug_facility();
-                pr_err("Registering with the cu3088 device driver failed "
-                           "with error code %d\n", ret);
-        }
+        claw_root_dev = root_device_register("qeth");
+        ret = IS_ERR(claw_root_dev) ? PTR_ERR(claw_root_dev) : 0;
+        if (ret)
+                goto register_err;
+        ret = ccw_driver_register(&claw_ccw_driver);
+        if (ret)
+                goto ccw_err;
+        claw_group_driver.driver.groups = claw_group_attr_groups;
+        ret = ccwgroup_driver_register(&claw_group_driver);
+        if (ret)
+                goto ccwgroup_err;
+        return 0;
+
+ccwgroup_err:
+        ccw_driver_unregister(&claw_ccw_driver);
+ccw_err:
+        root_device_unregister(claw_root_dev);
+register_err:
+        CLAW_DBF_TEXT(2, setup, "init_bad");
+        claw_unregister_debug_facility();
+out_err:
+        pr_err("Initializing the claw device driver failed\n");
         return ret;
 }