From: Cornelia Huck <cornelia.huck@de.ibm.com>
Date: Sat, 26 Jan 2008 13:10:38 +0000 (+0100)
Subject: [S390] cio: Use helpers instead of container_of().
X-Git-Tag: v2.6.25-rc1~1228^2~53
X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=084325d80418adf4d75b10a9ceff1348f2e09163;p=linux-2.6-omap-h63xx.git

[S390] cio: Use helpers instead of container_of().

- Introduce to_cssdriver.
- Use to_xxx instead of container_of where possible.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 5baa517c3b6..b3e2c16caa4 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -35,8 +35,8 @@ ccwgroup_bus_match (struct device * dev, struct device_driver * drv)
 	struct ccwgroup_device *gdev;
 	struct ccwgroup_driver *gdrv;
 
-	gdev = container_of(dev, struct ccwgroup_device, dev);
-	gdrv = container_of(drv, struct ccwgroup_driver, driver);
+	gdev = to_ccwgroupdev(dev);
+	gdrv = to_ccwgroupdrv(drv);
 
 	if (gdev->creator_id == gdrv->driver_id)
 		return 1;
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index c3df2cd009a..bc2f8fa576a 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -787,8 +787,8 @@ int sch_is_pseudo_sch(struct subchannel *sch)
 static int
 css_bus_match (struct device *dev, struct device_driver *drv)
 {
-	struct subchannel *sch = container_of (dev, struct subchannel, dev);
-	struct css_driver *driver = container_of (drv, struct css_driver, drv);
+	struct subchannel *sch = to_subchannel(dev);
+	struct css_driver *driver = to_cssdriver(drv);
 
 	if (sch->st == driver->subchannel_type)
 		return 1;
@@ -802,7 +802,7 @@ css_probe (struct device *dev)
 	struct subchannel *sch;
 
 	sch = to_subchannel(dev);
-	sch->driver = container_of (dev->driver, struct css_driver, drv);
+	sch->driver = to_cssdriver(dev->driver);
 	return (sch->driver->probe ? sch->driver->probe(sch) : 0);
 }
 
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index 81215ef3243..1d8306cc74c 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -134,6 +134,8 @@ struct css_driver {
 	void (*shutdown)(struct subchannel *);
 };
 
+#define to_cssdriver(n) container_of(n, struct css_driver, drv)
+
 /*
  * all css_drivers have the css_bus_type
  */