USB: Implement usb_device_match_id()

Match a usb_device with a table of IDs.

Signed-off-by: Bastien Nocera <hadess@hadess.net>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20191016093933.693-4-hadess@hadess.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bastien Nocera 2019-10-16 11:39:30 +02:00 committed by Greg Kroah-Hartman
parent c9d503370f
commit aeebf2b546
2 changed files with 16 additions and 0 deletions

View File

@ -800,6 +800,20 @@ const struct usb_device_id *usb_match_id(struct usb_interface *interface,
}
EXPORT_SYMBOL_GPL(usb_match_id);
const struct usb_device_id *usb_device_match_id(struct usb_device *udev,
const struct usb_device_id *id)
{
if (!id)
return NULL;
for (; id->idVendor || id->idProduct ; id++) {
if (usb_match_device(udev, id))
return id;
}
return NULL;
}
static int usb_device_match(struct device *dev, struct device_driver *drv)
{
/* devices and interfaces are handled separately */

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@ -69,6 +69,8 @@ extern int usb_match_one_id_intf(struct usb_device *dev,
const struct usb_device_id *id);
extern int usb_match_device(struct usb_device *dev,
const struct usb_device_id *id);
extern const struct usb_device_id *usb_device_match_id(struct usb_device *udev,
const struct usb_device_id *id);
extern void usb_forced_unbind_intf(struct usb_interface *intf);
extern void usb_unbind_and_rebind_marked_interfaces(struct usb_device *udev);