s390/ccwgroup: remove ccwgroup_create_from_string
Remove the old ccwgroup_create_from_string interface since all
drivers have been converted to ccwgroup_create_dev. Also remove
now unused members of ccwgroup_driver.
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.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 c69cee6..731470e 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -30,19 +30,6 @@
* to devices that use multiple subchannels.
*/
-/* a device matches a driver if all its slave devices match the same
- * entry of the driver */
-static int ccwgroup_bus_match(struct device *dev, struct device_driver * drv)
-{
- struct ccwgroup_device *gdev = to_ccwgroupdev(dev);
- struct ccwgroup_driver *gdrv = to_ccwgroupdrv(drv);
-
- if (gdev->creator_id == gdrv->driver_id)
- return 1;
-
- return 0;
-}
-
static struct bus_type ccwgroup_bus_type;
static void __ccwgroup_remove_symlinks(struct ccwgroup_device *gdev)
@@ -292,7 +279,6 @@
/**
* ccwgroup_create_dev() - create and register a ccw group device
* @parent: parent device for the new device
- * @creator_id: identifier of creating driver
* @gdrv: driver for the new group device
* @num_devices: number of slave devices
* @buf: buffer containing comma separated bus ids of slave devices
@@ -304,9 +290,8 @@
* Context:
* non-atomic
*/
-int ccwgroup_create_dev(struct device *parent, unsigned int creator_id,
- struct ccwgroup_driver *gdrv, int num_devices,
- const char *buf)
+int ccwgroup_create_dev(struct device *parent, struct ccwgroup_driver *gdrv,
+ int num_devices, const char *buf)
{
struct ccwgroup_device *gdev;
struct ccw_dev_id dev_id;
@@ -320,10 +305,6 @@
atomic_set(&gdev->onoff, 0);
mutex_init(&gdev->reg_mutex);
mutex_lock(&gdev->reg_mutex);
- if (gdrv)
- gdev->creator_id = gdrv->driver_id;
- else
- gdev->creator_id = creator_id;
gdev->count = num_devices;
gdev->dev.bus = &ccwgroup_bus_type;
gdev->dev.parent = parent;
@@ -402,30 +383,6 @@
}
EXPORT_SYMBOL(ccwgroup_create_dev);
-/**
- * ccwgroup_create_from_string() - create and register a ccw group device
- * @root: parent device for the new device
- * @creator_id: identifier of creating driver
- * @cdrv: ccw driver of slave devices
- * @num_devices: number of slave devices
- * @buf: buffer containing comma separated bus ids of slave devices
- *
- * Create and register a new ccw group device as a child of @root. Slave
- * devices are obtained from the list of bus ids given in @buf and must all
- * belong to @cdrv.
- * Returns:
- * %0 on success and an error code on failure.
- * Context:
- * non-atomic
- */
-int ccwgroup_create_from_string(struct device *root, unsigned int creator_id,
- struct ccw_driver *cdrv, int num_devices,
- const char *buf)
-{
- return ccwgroup_create_dev(root, creator_id, NULL, num_devices, buf);
-}
-EXPORT_SYMBOL(ccwgroup_create_from_string);
-
static int ccwgroup_notifier(struct notifier_block *nb, unsigned long action,
void *data)
{
@@ -467,14 +424,6 @@
/************************** driver stuff ******************************/
-static int ccwgroup_probe(struct device *dev)
-{
- struct ccwgroup_device *gdev = to_ccwgroupdev(dev);
- struct ccwgroup_driver *gdrv = to_ccwgroupdrv(dev->driver);
-
- return gdrv->probe ? gdrv->probe(gdev) : -ENODEV;
-}
-
static int ccwgroup_remove(struct device *dev)
{
struct ccwgroup_device *gdev = to_ccwgroupdev(dev);
@@ -569,8 +518,6 @@
static struct bus_type ccwgroup_bus_type = {
.name = "ccwgroup",
- .match = ccwgroup_bus_match,
- .probe = ccwgroup_probe,
.remove = ccwgroup_remove,
.shutdown = ccwgroup_shutdown,
.pm = &ccwgroup_pm_ops,
