Re: [PATCH] xhci: Check all endpoints for LPM timeout

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On Fri, 2019-09-13 at 00:49 +1000, Jan Schmidt wrote:
> If an endpoint is encountered that returns USB3_LPM_DEVICE_INITIATED, keep
> checking further endpoints, as there might be periodic endpoints later
> that return USB3_LPM_DISABLED due to shorter service intervals.
> 
> Without this, the code can set too high a maximum-exit-latency and
> prevent the use of multiple USB3 cameras that should be able to work.
> 
> Signed-off-by: Jan Schmidt <jan@xxxxxxxxxxxxxxx>
> Tested-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>

This fixes the capture from multiple Oculus Sensors, as described in the
"Not enough bandwidth with Magewell XI100DUSB-HDMI" thread:

https://lore.kernel.org/linux-usb/CA+gwMce-h9LPCv1hhfEcRz_2w9mEQLOjy42dcjvPxTeawSU5kQ@xxxxxxxxxxxxxx/

regards
Philipp



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