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authorGreg Kroah-Hartman <gregkh@suse.de>2007-11-01 19:41:16 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2008-01-24 20:40:33 -0800
commitc6f7e72a3f4641095ade9ded287d910c980c6148 (patch)
treed2d7d946b978ce9f5586a02c3520aa76e928a551 /include/linux/device.h
parentb249072ee6897fe4f8d461c7bb4b926223263c28 (diff)
driver core: remove fields from struct bus_type
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>
Diffstat (limited to 'include/linux/device.h')
-rw-r--r--include/linux/device.h12
1 files changed, 2 insertions, 10 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index 62e695bd3c9..3f24bf46d29 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -35,6 +35,7 @@ struct device_driver;
struct class;
struct class_device;
struct bus_type;
+struct bus_type_private;
struct bus_attribute {
struct attribute attr;
@@ -51,15 +52,6 @@ extern void bus_remove_file(struct bus_type *, struct bus_attribute *);
struct bus_type {
const char * name;
-
- struct kset subsys;
- struct kset *drivers_kset;
- struct kset *devices_kset;
- struct klist klist_devices;
- struct klist klist_drivers;
-
- struct blocking_notifier_head bus_notifier;
-
struct bus_attribute * bus_attrs;
struct device_attribute * dev_attrs;
struct driver_attribute * drv_attrs;
@@ -75,7 +67,7 @@ struct bus_type {
int (*resume_early)(struct device * dev);
int (*resume)(struct device * dev);
- unsigned int drivers_autoprobe:1;
+ struct bus_type_private *p;
};
extern int __must_check bus_register(struct bus_type * bus);