Create bus_type was just calling register_bustype. Since we control how
many times we call create_bus_type it was extraneous keeping a counter if
the bus was already registered, so the functions were no longer needed.
Signed-off-by: David Kershner <david.kersh...@unisys.com>
Reviewed-by: Reviewed-by: Tim Sell <timothy.s...@unisys.com>
---
drivers/staging/unisys/visorbus/visorbus_main.c | 32 +-----------------
1 file changed, 3 insertions(+), 29 deletions(-)
diff --git a/drivers/staging/unisys/visorbus/visorbus_main.c
b/drivers/staging/unisys/visorbus/visorbus_main.c
index 3e756ca..dedcee4 100644
--- a/drivers/staging/unisys/visorbus/visorbus_main.c
+++ b/drivers/staging/unisys/visorbus/visorbus_main.c
@@ -33,7 +33,6 @@ static int visorbus_forcenomatch;
#define CURRENT_FILE_PC VISOR_BUS_PC_visorbus_main_c
#define POLLJIFFIES_NORMALCHANNEL 10
-static int busreg_rc = -ENODEV; /* stores the result from bus registration */
static struct dentry *visorbus_debugfs_dir;
/*
@@ -967,9 +966,6 @@ int visorbus_register_visor_driver(struct visor_driver *drv)
{
int rc = 0;
- if (busreg_rc < 0)
- return -ENODEV; /*can't register on a nonexistent bus*/
-
drv->driver.name = drv->name;
drv->driver.bus = &visorbus_type;
drv->driver.probe = visordriver_probe_device;
@@ -1081,29 +1077,6 @@ remove_bus_instance(struct visor_device *dev)
}
/*
- * create_bus_type() - create and register the one-and-only one instance of
- * the visor bus type (visorbus_type)
- * Return: 0 for success, otherwise negative errno value returned by
- * bus_register() indicating the reason for failure
- */
-static int
-create_bus_type(void)
-{
- busreg_rc = bus_register(&visorbus_type);
- return busreg_rc;
-}
-
-/*
- * remove_bus_type() - remove the one-and-only one instance of the visor bus
- * type (visorbus_type)
- */
-static void
-remove_bus_type(void)
-{
- bus_unregister(&visorbus_type);
-}
-
-/*
* remove_all_visor_devices() - remove all child visor bus device instances
*/
static void
@@ -1335,7 +1308,7 @@ visorbus_init(void)
bus_device_info_init(&clientbus_driverinfo, "clientbus", "visorbus");
- err = create_bus_type();
+ err = bus_register(&visorbus_type);
if (err < 0) {
POSTCODE_LINUX(BUS_CREATE_ENTRY_PC, 0, 0, DIAG_SEVERITY_ERR);
goto error;
@@ -1363,7 +1336,8 @@ visorbus_exit(void)
list_all);
remove_bus_instance(dev);
}
- remove_bus_type();
+
+ bus_unregister(&visorbus_type);
debugfs_remove_recursive(visorbus_debugfs_dir);
}
--
git-series 0.9.1
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