---

yaml --- r: 354703 b: refs/heads/master c: 88bb965 h: refs/heads/master i: 354701: bb7ec84 354699: c77b962 354695: e888fdf 354687: 2702aa0 v: v3
git-mirror · Jan 25, 2013 · 604d891 · 604d891
1 parent 7ebb7fd
commit 604d891
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Showing 4 changed files with 30 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8eae0fb7efa99d55afa9e94ce95d101af0830ca6
+refs/heads/master: 88bb965ed711e8a5984e70208ebc901a6ff4141f
diff --git a/trunk/drivers/usb/core/port.c b/trunk/drivers/usb/core/port.c
@@ -66,6 +66,7 @@ static void usb_port_device_release(struct device *dev)
 {
 	struct usb_port *port_dev = to_usb_port(dev);
 
+	usb_acpi_unregister_power_resources(dev);
 	kfree(port_dev);
 }
 
@@ -95,6 +96,10 @@ int usb_hub_create_port_device(struct usb_hub *hub, int port1)
 	if (retval)
 		goto error_register;
 
+	retval = usb_acpi_register_power_resources(&port_dev->dev);
+	if (retval && retval != -ENODEV)
+		dev_warn(&port_dev->dev, "the port can't register its ACPI power resource.\n");
+
 	return 0;
 
 error_register:

diff --git a/trunk/drivers/usb/core/usb-acpi.c b/trunk/drivers/usb/core/usb-acpi.c
@@ -216,6 +216,24 @@ static struct acpi_bus_type usb_acpi_bus = {
 	.find_device = usb_acpi_find_device,
 };
 
+int usb_acpi_register_power_resources(struct device *dev)
+{
+	acpi_handle port_handle = DEVICE_ACPI_HANDLE(dev);
+
+	if (!port_handle)
+		return -ENODEV;
+
+	return acpi_power_resource_register_device(dev, port_handle);
+}
+
+void usb_acpi_unregister_power_resources(struct device *dev)
+{
+	acpi_handle port_handle = DEVICE_ACPI_HANDLE(dev);
+
+	if (port_handle)
+		acpi_power_resource_unregister_device(dev, port_handle);
+}
+
 int usb_acpi_register(void)
 {
 	return register_acpi_bus_type(&usb_acpi_bus);

diff --git a/trunk/drivers/usb/core/usb.h b/trunk/drivers/usb/core/usb.h
@@ -191,7 +191,13 @@ extern int usb_acpi_register(void);
 extern void usb_acpi_unregister(void);
 extern acpi_handle usb_get_hub_port_acpi_handle(struct usb_device *hdev,
 	int port1);
+extern int usb_acpi_register_power_resources(struct device *dev);
+extern void usb_acpi_unregister_power_resources(struct device *dev);
 #else
 static inline int usb_acpi_register(void) { return 0; };
 static inline void usb_acpi_unregister(void) { };
+static inline int usb_acpi_register_power_resources(struct device *dev)
+	{ return 0; };
+static inline void usb_acpi_unregister_power_resources(struct device *dev)
+	{ };
 #endif