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authorCornelia Huck <cornelia.huck@de.ibm.com>2008-01-26 14:10:38 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-01-26 14:10:56 +0100
commit084325d80418adf4d75b10a9ceff1348f2e09163 (patch)
tree5fef7966f632167f3ce7d48d2a230f787b14a1aa
parent14ff56bbb3422cc465a12e81f5e1b5f06168aeda (diff)
[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>
-rw-r--r--drivers/s390/cio/ccwgroup.c4
-rw-r--r--drivers/s390/cio/css.c6
-rw-r--r--drivers/s390/cio/css.h2
3 files changed, 7 insertions, 5 deletions
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 5baa517c3b66..b3e2c16caa41 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 c3df2cd009a4..bc2f8fa576a3 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 81215ef32435..1d8306cc74c4 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
*/