Re: [PATCH v5 0/9] eUSB2 Double Isochronous IN Bandwidth support

[Mathias Nyman <mathias.nyman@linux.intel.com>]

On 20.8.2025 17.38, Sakari Ailus wrote:
> Hi all,
> 
> This series enables support for eUSB2 Double Isochronous IN Bandwidth UVC
> devices specified in 'USB 2.0 Double Isochronous IN Bandwidth' ECN. In
> short, it adds support for new integrated USB2 webcams that can send twice
> the data compared to conventional USB2 webcams.
> 
> These devices are identified by the device descriptor bcdUSB 0x0220 value.
> They have an additional eUSB2 Isochronous Endpoint Companion Descriptor,
> and a zero max packet size in regular isoc endpoint descriptor. Support
> for parsing that new descriptor was added in commit
> 
> c749f058b437 ("USB: core: Add eUSB2 descriptor and parsing in USB core")
> 
> This series adds support to UVC, USB core, and xHCI to identify eUSB2
> double isoc devices, and allow and set proper max packet, iso frame desc
> sizes, bytes per interval, and other values in URBs and xHCI endpoint
> contexts needed to support the double data rates for eUSB2 double isoc
> devices.
> 

Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>

The v5 of this series looks good to me, and could from my perspective be
picked directly to usb-next

Thanks
Mathias