linux-kernel - [patch 3/3] zfcp: Use device_driver default attribute groups.

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Date:	Wed, 5 Dec 2007 12:50:31 +0100
From:	Cornelia Huck <cornelia.huck@...ibm.com>
To:	gregkh@...e.de
Cc:	linux-kernel@...r.kernel.org, Swen Schillig <swen@...t.ibm.com>,
	Cornelia Huck <cornelia.huck@...ibm.com>
Subject: [patch 3/3] zfcp: Use device_driver default attribute groups.

CC: Swen Schillig <swen@...t.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@...ibm.com>

---
 drivers/s390/scsi/zfcp_ccw.c          |   14 ++++----------
 drivers/s390/scsi/zfcp_ext.h          |    3 +--
 drivers/s390/scsi/zfcp_sysfs_driver.c |   27 ++++-----------------------
 3 files changed, 9 insertions(+), 35 deletions(-)

--- linux-2.6.orig/drivers/s390/scsi/zfcp_ccw.c
+++ linux-2.6/drivers/s390/scsi/zfcp_ccw.c
@@ -52,6 +52,9 @@ static struct ccw_driver zfcp_ccw_driver
 	.set_offline = zfcp_ccw_set_offline,
 	.notify      = zfcp_ccw_notify,
 	.shutdown    = zfcp_ccw_shutdown,
+	.driver = {
+		.groups = zfcp_driver_attr_groups,
+	},
 };
 
 MODULE_DEVICE_TABLE(ccw, zfcp_ccw_device_id);
@@ -251,16 +254,7 @@ zfcp_ccw_notify(struct ccw_device *ccw_d
 int __init
 zfcp_ccw_register(void)
 {
-	int retval;
-
-	retval = ccw_driver_register(&zfcp_ccw_driver);
-	if (retval)
-		goto out;
-	retval = zfcp_sysfs_driver_create_files(&zfcp_ccw_driver.driver);
-	if (retval)
-		ccw_driver_unregister(&zfcp_ccw_driver);
- out:
-	return retval;
+	return ccw_driver_register(&zfcp_ccw_driver);
 }
 
 /**
--- linux-2.6.orig/drivers/s390/scsi/zfcp_ext.h
+++ linux-2.6/drivers/s390/scsi/zfcp_ext.h
@@ -27,8 +27,7 @@
 extern struct zfcp_data zfcp_data;
 
 /******************************** SYSFS  *************************************/
-extern int  zfcp_sysfs_driver_create_files(struct device_driver *);
-extern void zfcp_sysfs_driver_remove_files(struct device_driver *);
+extern struct attribute_group *zfcp_driver_attr_groups[];
 extern int  zfcp_sysfs_adapter_create_files(struct device *);
 extern void zfcp_sysfs_adapter_remove_files(struct device *);
 extern int  zfcp_sysfs_port_create_files(struct device *, u32);
--- linux-2.6.orig/drivers/s390/scsi/zfcp_sysfs_driver.c
+++ linux-2.6/drivers/s390/scsi/zfcp_sysfs_driver.c
@@ -98,28 +98,9 @@ static struct attribute_group zfcp_drive
 	.attrs = zfcp_driver_attrs,
 };
 
-/**
- * zfcp_sysfs_create_driver_files - create sysfs driver files
- * @dev: pointer to belonging device
- *
- * Create all sysfs attributes of the zfcp device driver
- */
-int
-zfcp_sysfs_driver_create_files(struct device_driver *drv)
-{
-	return sysfs_create_group(&drv->kobj, &zfcp_driver_attr_group);
-}
-
-/**
- * zfcp_sysfs_remove_driver_files - remove sysfs driver files
- * @dev: pointer to belonging device
- *
- * Remove all sysfs attributes of the zfcp device driver
- */
-void
-zfcp_sysfs_driver_remove_files(struct device_driver *drv)
-{
-	sysfs_remove_group(&drv->kobj, &zfcp_driver_attr_group);
-}
+struct attribute_group *zfcp_driver_attr_groups[] = {
+	&zfcp_driver_attr_group,
+	NULL,
+};
 
 #undef ZFCP_LOG_AREA

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