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Commit fca504f6 authored by Oliver Neukum's avatar Oliver Neukum Committed by Greg Kroah-Hartman
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USB: correct intervals for SS+ 



SS+ also expresses intervals in units of 125ms. Testing must
be for SS or faster, not SS exactly.

Signed-off-by: default avatarOliver neukum <oneukum@suse.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent dd80b54b

include/linux/usb.h

+2 −2
Original line number Diff line number Diff line
@@ -1569,7 +1569,7 @@ static inline void usb_fill_bulk_urb(struct urb *urb, 
 * Initializes a interrupt urb with the proper information needed to submit

 * it to a device.

 *

 * Note that High Speed and SuperSpeed interrupt endpoints use a logarithmic

 * Note that High Speed and SuperSpeed(+) interrupt endpoints use a logarithmic

 * encoding of the endpoint interval, and express polling intervals in

 * microframes (eight per millisecond) rather than in frames (one per

 * millisecond).
@@ -1595,7 +1595,7 @@ static inline void usb_fill_int_urb(struct urb *urb, 
	urb->complete = complete_fn;

	urb->context = context;



	if (dev->speed == USB_SPEED_HIGH || dev->speed == USB_SPEED_SUPER) {

	if (dev->speed == USB_SPEED_HIGH || dev->speed >= USB_SPEED_SUPER) {

		/* make sure interval is within allowed range */

		interval = clamp(interval, 1, 16);