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usb: core: allow a reference device for new_id

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Often, usb drivers need some driver_info to get a device to work. To
have access to driver_info when using new_id, allow to pass a reference
vendor:product tuple from which new_id will inherit driver_info.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wolfram Sang 2014-01-10 19:36:42 +01:00 • committed by Greg Kroah-Hartman
parent c63fe8f6ca
commit 2fc82c2de6
4 changed files with 27 additions and 6 deletions
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1
include/linux/usb.h
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@ -965,6 +965,7 @@ struct usb_dynid {
};
extern ssize_t usb_store_new_id(struct usb_dynids *dynids,
const struct usb_device_id *id_table,
struct device_driver *driver,
const char *buf, size_t count);