Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6

[linux-2.6-omap-h63xx.git] / drivers / usb / core / usb.c

diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 56a3520863a969f366a1be30ea7c0618317de4a4..13d1d367f7f1ed6e80a386a69bf1fed4d5f4d3de 100644 (file)
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -192,6 +192,7 @@ void usb_driver_release_interface(struct usb_driver *driver,
        iface->condition = USB_INTERFACE_UNBOUND;
        mark_quiesced(iface);
 }
+
 struct find_interface_arg {
        int minor;
        struct usb_interface *interface;
@@ -236,10 +237,7 @@ struct usb_interface *usb_find_interface(struct usb_driver *drv, int minor)
 #ifdef CONFIG_HOTPLUG
 
 /*
- * USB hotplugging invokes what /proc/sys/kernel/hotplug says
- * (normally /sbin/hotplug) when USB devices get added or removed.
- *
- * This invokes a user mode policy agent, typically helping to load driver
+ * This sends an uevent to userspace, typically helping to load driver
  * or other modules, configure the device, and more.  Drivers can provide
  * a MODULE_DEVICE_TABLE to help with module loading subtasks.
  *
@@ -248,8 +246,8 @@ struct usb_interface *usb_find_interface(struct usb_driver *drv, int minor)
  * delays in event delivery.  Use sysfs (and DEVPATH) to make sure the
  * device (and this configuration!) are still present.
  */
-static int usb_hotplug (struct device *dev, char **envp, int num_envp,
-                       char *buffer, int buffer_size)
+static int usb_uevent(struct device *dev, char **envp, int num_envp,
+                     char *buffer, int buffer_size)
 {
        struct usb_interface *intf;
        struct usb_device *usb_dev;
@@ -261,7 +259,7 @@ static int usb_hotplug (struct device *dev, char **envp, int num_envp,
                return -ENODEV;
 
        /* driver is often null here; dev_dbg() would oops */
-       pr_debug ("usb %s: hotplug\n", dev->bus_id);
+       pr_debug ("usb %s: uevent\n", dev->bus_id);
 
        /* Must check driver_data here, as on remove driver is always NULL */
        if ((dev->driver == &usb_generic_driver) || 
@@ -288,51 +286,51 @@ static int usb_hotplug (struct device *dev, char **envp, int num_envp,
         *
         * FIXME reduce hardwired intelligence here
         */
-       if (add_hotplug_env_var(envp, num_envp, &i,
-                               buffer, buffer_size, &length,
-                               "DEVICE=/proc/bus/usb/%03d/%03d",
-                               usb_dev->bus->busnum, usb_dev->devnum))
+       if (add_uevent_var(envp, num_envp, &i,
+                          buffer, buffer_size, &length,
+                          "DEVICE=/proc/bus/usb/%03d/%03d",
+                          usb_dev->bus->busnum, usb_dev->devnum))
                return -ENOMEM;
 #endif
 
        /* per-device configurations are common */
-       if (add_hotplug_env_var(envp, num_envp, &i,
-                               buffer, buffer_size, &length,
-                               "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)))
+       if (add_uevent_var(envp, num_envp, &i,
+                          buffer, buffer_size, &length,
+                          "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;
 
        /* class-based driver binding models */
-       if (add_hotplug_env_var(envp, num_envp, &i,
-                               buffer, buffer_size, &length,
-                               "TYPE=%d/%d/%d",
-                               usb_dev->descriptor.bDeviceClass,
-                               usb_dev->descriptor.bDeviceSubClass,
-                               usb_dev->descriptor.bDeviceProtocol))
+       if (add_uevent_var(envp, num_envp, &i,
+                          buffer, buffer_size, &length,
+                          "TYPE=%d/%d/%d",
+                          usb_dev->descriptor.bDeviceClass,
+                          usb_dev->descriptor.bDeviceSubClass,
+                          usb_dev->descriptor.bDeviceProtocol))
                return -ENOMEM;
 
-       if (add_hotplug_env_var(envp, num_envp, &i,
-                               buffer, buffer_size, &length,
-                               "INTERFACE=%d/%d/%d",
-                               alt->desc.bInterfaceClass,
-                               alt->desc.bInterfaceSubClass,
-                               alt->desc.bInterfaceProtocol))
+       if (add_uevent_var(envp, num_envp, &i,
+                          buffer, buffer_size, &length,
+                          "INTERFACE=%d/%d/%d",
+                          alt->desc.bInterfaceClass,
+                          alt->desc.bInterfaceSubClass,
+                          alt->desc.bInterfaceProtocol))
                return -ENOMEM;
 
-       if (add_hotplug_env_var(envp, num_envp, &i,
-                               buffer, buffer_size, &length,
-                               "MODALIAS=usb:v%04Xp%04Xd%04Xdc%02Xdsc%02Xdp%02Xic%02Xisc%02Xip%02X",
-                               le16_to_cpu(usb_dev->descriptor.idVendor),
-                               le16_to_cpu(usb_dev->descriptor.idProduct),
-                               le16_to_cpu(usb_dev->descriptor.bcdDevice),
-                               usb_dev->descriptor.bDeviceClass,
-                               usb_dev->descriptor.bDeviceSubClass,
-                               usb_dev->descriptor.bDeviceProtocol,
-                               alt->desc.bInterfaceClass,
-                               alt->desc.bInterfaceSubClass,
-                               alt->desc.bInterfaceProtocol))
+       if (add_uevent_var(envp, num_envp, &i,
+                          buffer, buffer_size, &length,
+                          "MODALIAS=usb:v%04Xp%04Xd%04Xdc%02Xdsc%02Xdp%02Xic%02Xisc%02Xip%02X",
+                          le16_to_cpu(usb_dev->descriptor.idVendor),
+                          le16_to_cpu(usb_dev->descriptor.idProduct),
+                          le16_to_cpu(usb_dev->descriptor.bcdDevice),
+                          usb_dev->descriptor.bDeviceClass,
+                          usb_dev->descriptor.bDeviceSubClass,
+                          usb_dev->descriptor.bDeviceProtocol,
+                          alt->desc.bInterfaceClass,
+                          alt->desc.bInterfaceSubClass,
+                          alt->desc.bInterfaceProtocol))
                return -ENOMEM;
 
        envp[i] = NULL;
@@ -342,7 +340,7 @@ static int usb_hotplug (struct device *dev, char **envp, int num_envp,
 
 #else
 
-static int usb_hotplug (struct device *dev, char **envp,
+static int usb_uevent(struct device *dev, char **envp,
                        int num_envp, char *buffer, int buffer_size)
 {
        return -ENODEV;
@@ -1093,7 +1091,7 @@ static int usb_generic_resume(struct device *dev)
 struct bus_type usb_bus_type = {
        .name =         "usb",
        .match =        usb_device_match,
-       .hotplug =      usb_hotplug,
+       .uevent =       usb_uevent,
        .suspend =      usb_generic_suspend,
        .resume =       usb_generic_resume,
 };