From: Marek Uher
> Hi David,
>
> thank you very much for your explanation. My answers to your questions
> follow:
>
> * Yes, I have ASMedia ASM1042 SuperSpeed USB Host (XHCI) Controller
> in my computer.
>
> * Yes, D-Link DUB-1312 is using asix88179_178a linux kernel driver.
>
> Based on information from you it seems that my hardware is completely
> unusable under Linux until your patches will be adapted back to kernel and
> side effects will be fixed. Is it right?
Basically yes.
I didn't get around to trying a fix for the problem with the ASMedia
hot controller. Adding enough trace slows the driver down enough so
that it works.
Every time it rings the 'doorbell' only one of the many queued requests
is processed - and you can see it is the oldest one.
With the Intel Panther point (Ivy bridge) chipset is sort of works
for a while, until the ring end occurs at the wrong alignment.
I've no longer got the USB adapters - they were on loan for evaluation.
We decided not to use them for other reasons.
David
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