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path: root/drivers/usb
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Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/core/driver.c11
-rw-r--r--drivers/usb/core/message.c24
-rw-r--r--drivers/usb/core/usb.c25
3 files changed, 25 insertions, 35 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 8586817698ad..c51f8e9312e0 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -585,9 +585,6 @@ static int usb_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct usb_device *usb_dev;
- if (!dev)
- return -ENODEV;
-
/* driver is often null here; dev_dbg() would oops */
pr_debug ("usb %s: uevent\n", dev->bus_id);
@@ -631,14 +628,6 @@ static int usb_uevent(struct device *dev, struct kobj_uevent_env *env)
usb_dev->descriptor.bDeviceProtocol))
return -ENOMEM;
- if (add_uevent_var(env, "BUSNUM=%03d",
- usb_dev->bus->busnum))
- return -ENOMEM;
-
- if (add_uevent_var(env, "DEVNUM=%03d",
- usb_dev->devnum))
- return -ENOMEM;
-
return 0;
}
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 40fd39de5bf9..fcd40ecbeecc 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1346,34 +1346,10 @@ static int usb_if_uevent(struct device *dev, struct kobj_uevent_env *env)
struct usb_interface *intf;
struct usb_host_interface *alt;
- if (!dev)
- return -ENODEV;
-
- /* driver is often null here; dev_dbg() would oops */
- pr_debug ("usb %s: uevent\n", dev->bus_id);
-
intf = to_usb_interface(dev);
usb_dev = interface_to_usbdev(intf);
alt = intf->cur_altsetting;
-#ifdef CONFIG_USB_DEVICEFS
- if (add_uevent_var(env, "DEVICE=/proc/bus/usb/%03d/%03d",
- usb_dev->bus->busnum, usb_dev->devnum))
- return -ENOMEM;
-#endif
-
- if (add_uevent_var(env, "PRODUCT=%x/%x/%x",
- le16_to_cpu(usb_dev->descriptor.idVendor),
- le16_to_cpu(usb_dev->descriptor.idProduct),
- le16_to_cpu(usb_dev->descriptor.bcdDevice)))
- return -ENOMEM;
-
- if (add_uevent_var(env, "TYPE=%d/%d/%d",
- usb_dev->descriptor.bDeviceClass,
- usb_dev->descriptor.bDeviceSubClass,
- usb_dev->descriptor.bDeviceProtocol))
- return -ENOMEM;
-
if (add_uevent_var(env, "INTERFACE=%d/%d/%d",
alt->desc.bInterfaceClass,
alt->desc.bInterfaceSubClass,
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index c4a6f1095b8b..8f142370103d 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -192,9 +192,34 @@ static void usb_release_dev(struct device *dev)
kfree(udev);
}
+#ifdef CONFIG_HOTPLUG
+static int usb_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+ struct usb_device *usb_dev;
+
+ usb_dev = to_usb_device(dev);
+
+ if (add_uevent_var(env, "BUSNUM=%03d", usb_dev->bus->busnum))
+ return -ENOMEM;
+
+ if (add_uevent_var(env, "DEVNUM=%03d", usb_dev->devnum))
+ return -ENOMEM;
+
+ return 0;
+}
+
+#else
+
+static int usb_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+ return -ENODEV;
+}
+#endif /* CONFIG_HOTPLUG */
+
struct device_type usb_device_type = {
.name = "usb_device",
.release = usb_release_dev,
+ .uevent = usb_dev_uevent,
};
#ifdef CONFIG_PM