This allows an easier way to get to the kset associated with a struct
bus_type (you have three to choose from...) This will make it easier to
move these fields to be dynamic in a future patch.
Cc: Kay Sievers <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/base/bus.c | 6 ++++++
drivers/pci/hotplug/pci_hotplug_core.c | 2 +-
include/linux/device.h | 2 ++
3 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 5ddc2e8..3cd991f 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -936,6 +936,12 @@ int bus_unregister_notifier(struct bus_type *bus, struct notifier_block *nb)
}
EXPORT_SYMBOL_GPL(bus_unregister_notifier);
+struct kset *bus_get_kset(struct bus_type *bus)
+{
+ return &bus->subsys;
+}
+EXPORT_SYMBOL_GPL(bus_get_kset);
+
int __init buses_init(void)
{
bus_kset = kset_create_and_register("bus", &bus_uevent_ops,
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index 6130397..cf69024 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -701,7 +701,7 @@ static int __init pci_hotplug_init (void)
int result;
pci_hotplug_slots_kset = kset_create_and_register("slots", NULL, NULL,
- &pci_bus_type.subsys);
+ bus_get_kset(&pci_bus_type));
if (IS_ERR(pci_hotplug_slots_kset)) {
result = PTR_ERR(pci_hotplug_slots_kset);
err("Register subsys with error %d\n", result);
diff --git a/include/linux/device.h b/include/linux/device.h
index a8ffb3a..86eff9d 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -117,6 +117,8 @@ extern int bus_unregister_notifier(struct bus_type *bus,
#define BUS_NOTIFY_UNBIND_DRIVER 0x00000004 /* driver about to be
unbound */
+extern struct kset *bus_get_kset(struct bus_type *bus);
+
struct device_driver {
const char * name;
struct bus_type * bus;
--
1.5.3.4
-
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