Re: [PATCH v4 3/3] USB: serial: cp210x: Workaround cp2108 GET_LINE_CTL bug

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On Sat, Oct 31, 2015 at 7:16 AM, Johan Hovold <johan@xxxxxxxxxx> wrote:
> [ Please avoid top-posting. ]
>
> On Thu, Oct 29, 2015 at 08:39:04AM -0500, Konstantin Shkolnyy wrote:
>> I tested it on cp2102, cp2105 and cp2108.
>> I'm a little worried about that extra PURGE command, so I did several
>> manual tests on each with a standard PC serial port on the other end
>> of the cable.
>> - run several open/write/close iteration (the test that used to break
>> cp2108), observe data on the other end;
>> - open minicom and see that cp210x can still receive data from the other end.
>
> Sounds good.
>
> If this turns out to cause any problems, we can always enable this based
> on chip type, right? I saw something about a vendor request for that in
> your (silabs') vendor driver.

Yes, there is a register with the chip type.

[...]
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