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[PATCH] usbcore: port reset for composite devices

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This patch (as699) adds usb_reset_composite_device(), a routine for
sending a USB port reset to a device with multiple interfaces owned by
different drivers.  Drivers are notified about impending and completed
resets through two new methods in the usb_driver structure.

The patch modifieds the usbfs ioctl code to make it use the new routine
instead of usb_reset_device().  Follow-up patches will modify the hub,
usb-storage, and usbhid drivers so they can utilize this new API.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Stern 2006-06-01 13:33:42 -04:00 • committed by Greg Kroah-Hartman
parent efcaa20525
commit 79efa097e7
4 changed files with 92 additions and 5 deletions
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1
drivers/usb/core/usb.c
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@ -1207,6 +1207,7 @@ EXPORT_SYMBOL(usb_ifnum_to_if);
EXPORT_SYMBOL(usb_altnum_to_altsetting);
EXPORT_SYMBOL(usb_reset_device);
EXPORT_SYMBOL(usb_reset_composite_device);
EXPORT_SYMBOL(__usb_get_extra_descriptor);