AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2025-04-16 19:07:40 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

USB: correct intervals for SS+

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

Signed-off-by: Oliver neukum <oneukum@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oliver Neukum 2016-04-20 15:39:12 +02:00 committed by Greg Kroah-Hartman
parent dd80b54b18
commit fca504f605
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/linux/usb.h
View File

@ -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 * Initializes a interrupt urb with the proper information needed to submit
* it to a device. * 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 * encoding of the endpoint interval, and express polling intervals in
* microframes (eight per millisecond) rather than in frames (one per * microframes (eight per millisecond) rather than in frames (one per
* millisecond). * millisecond).
@ -1595,7 +1595,7 @@ static inline void usb_fill_int_urb(struct urb *urb,
urb->complete = complete_fn; urb->complete = complete_fn;
urb->context = context; 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 */ /* make sure interval is within allowed range */
interval = clamp(interval, 1, 16); interval = clamp(interval, 1, 16);