diff options
| author | Lan Tianyu <tianyu.lan@intel.com> | 2013-01-23 04:26:27 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-25 10:07:59 -0800 |
| commit | 88bb965ed711e8a5984e70208ebc901a6ff4141f (patch) | |
| tree | fa02381576bc90a91ffc8f62c6a4e7261f641a3a /drivers/usb/core/port.c | |
| parent | 8eae0fb7efa99d55afa9e94ce95d101af0830ca6 (diff) | |
usb: Register usb port's acpi power resources
This patch is to register usb port's acpi power resources. Create
link between usb port device and its acpi power resource.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core/port.c')
| -rw-r--r-- | drivers/usb/core/port.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c index fe5959fc021b..153e799e7320 100644 --- a/drivers/usb/core/port.c +++ b/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: |