From bb417020ba8c559eb52f57379ba17f669f8f72cd Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 26 Jan 2007 14:26:21 +0100 Subject: [PATCH] USB: refactor usb device matching and create usb_device_match This is needed for the quirk match code. Cc: Oliver Neukum Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/driver.c | 33 +++++++++++++++++++++------------ drivers/usb/core/usb.h | 2 ++ 2 files changed, 23 insertions(+), 12 deletions(-) diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 2aded261f4..f9196a0a94 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -366,19 +366,8 @@ void usb_driver_release_interface(struct usb_driver *driver, EXPORT_SYMBOL(usb_driver_release_interface); /* returns 0 if no match, 1 if match */ -int usb_match_one_id(struct usb_interface *interface, - const struct usb_device_id *id) +int usb_match_device(struct usb_device *dev, const struct usb_device_id *id) { - struct usb_host_interface *intf; - struct usb_device *dev; - - /* proc_connectinfo in devio.c may call us with id == NULL. */ - if (id == NULL) - return 0; - - intf = interface->cur_altsetting; - dev = interface_to_usbdev(interface); - if ((id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) && id->idVendor != le16_to_cpu(dev->descriptor.idVendor)) return 0; @@ -409,6 +398,26 @@ int usb_match_one_id(struct usb_interface *interface, (id->bDeviceProtocol != dev->descriptor.bDeviceProtocol)) return 0; + return 1; +} + +/* returns 0 if no match, 1 if match */ +int usb_match_one_id(struct usb_interface *interface, + const struct usb_device_id *id) +{ + struct usb_host_interface *intf; + struct usb_device *dev; + + /* proc_connectinfo in devio.c may call us with id == NULL. */ + if (id == NULL) + return 0; + + intf = interface->cur_altsetting; + dev = interface_to_usbdev(interface); + + if (!usb_match_device(dev, id)) + return 0; + /* The interface class, subclass, and protocol should never be * checked for a match if the device class is Vendor Specific, * unless the match record specifies the Vendor ID. */ diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 17830a81be..86692a2357 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -21,6 +21,8 @@ extern int usb_set_configuration(struct usb_device *dev, int configuration); extern void usb_kick_khubd(struct usb_device *dev); extern void usb_resume_root_hub(struct usb_device *dev); +extern int usb_match_device(struct usb_device *dev, + const struct usb_device_id *id); extern int usb_hub_init(void); extern void usb_hub_cleanup(void); -- 2.39.5