From: Landry Breuil <landry@openbsd.org>
Subject: Re: sys/xhci: suppoort USB3 speeds
To: tech@openbsd.org, mglocker@openbsd.org
Date: Fri, 28 Feb 2025 10:20:04 +0100

Le Thu, Feb 27, 2025 at 08:21:25PM +0100, Kirill A. Korinsky a écrit :
> tech@,
> 
> I'd like to add support of USB3 speeds to XHCI driver.
> 
> This diff was tested on Snapdragon SoC:
> 
> 	xhci0 at qcdwusb0, xHCI 1.10
> 	usb0 at xhci0: USB revision 3.0
> 	uhub0 at usb0 configuration 1 interface 0 "Generic xHCI root hub" rev 3.00/1.00 addr 1
> 
> I also used diff: https://marc.info/?l=openbsd-tech&m=174032299500347&w=2
> and switched Elgato Facecam Pro to isochronous mode with streaming
> 3840x2160 30fps with 33740 isoc frames / packets.

i see the intent is to make it work with cameras, but shouldnt just
adding support for USB3 speeds also benefit to transfer speeds for other
usb devices (eg usb keys) ?

Landry