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driver core: remove fields from struct bus_type

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struct bus_type is static everywhere in the kernel.  This moves the
kobject in the structure out of it, and a bunch of other private only to
the driver core fields are now moved to a private structure.  This lets
us dynamically create the backing kobject properly and gives us the
chance to be able to document to users exactly how to use the struct
bus_type as there are no fields they can improperly access.

Thanks to Kay for the build fixes on this patch.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman
2007-11-01 19:41:16 -07:00
parent b249072ee6
commit c6f7e72a3f
7 changed files with 104 additions and 70 deletions
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4
drivers/base/platform.c
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@@ -497,12 +497,12 @@ int __init_or_module platform_driver_probe(struct platform_driver *drv,
* if the probe was successful, and make sure any forced probes of
* new devices fail.
*/
spin_lock(&platform_bus_type.klist_drivers.k_lock);
spin_lock(&platform_bus_type.p->klist_drivers.k_lock);
drv->probe = NULL;
if (code == 0 && list_empty(&drv->driver.klist_devices.k_list))
retval = -ENODEV;
drv->driver.probe = platform_drv_probe_fail;
spin_unlock(&platform_bus_type.klist_drivers.k_lock);
spin_unlock(&platform_bus_type.p->klist_drivers.k_lock);
if (code != retval)
platform_driver_unregister(drv);