Re: [PATCH v5] xhci: Bad Ethernet performance plugged in ASM1042A host

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2017-06-28 21:42 GMT+08:00 Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>:
> On 22.06.2017 07:49, Jiahau Chang wrote:
>>
>> When USB Ethernet is plugged in ASMEDIA ASM1042A xHCI host, bad
>> performance was manifesting in Web browser use (like download
>> large file such as ISO image). It is known limitation of
>> ASM1042A that is not compatible with driver scheduling,
>> As a workaround we can modify flow control handling of ASM1042A.
>> The register we modify is changes the behavior
>>
>> Signed-off-by: Jiahau Chang <Lars_chang@xxxxxxxxxxxxxx>
>> Signed-off-by: Ian Pilcher <arequipeno@xxxxxxxxx>
>> ---
>
>
> Thanks, looks good, but checkpatch complains about:
>
>> +               usleep_range(50, 50);
>
>
> having same min and max value.
> Does usleep_range(40,60) work for you? or some other range?
>
It works to use usleep_range(40,60);
Thanks for help us to upstream the patch.

> I can change that myself, no need to resend.
>
> -Mathias
>
>
>
>
Jiahau
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