Re: [PATCH v2 03/15] usb: musb: core: fix highspeed check

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On Thu, Feb 26, 2015 at 1:48 PM, Felipe Balbi <balbi@xxxxxx> wrote:
> On Thu, Feb 26, 2015 at 01:30:21PM -0600, Bin Liu wrote:
>> Felipe,
>>
>> On Thu, Feb 26, 2015 at 12:27 PM, Felipe Balbi <balbi@xxxxxx> wrote:
>> > On Thu, Feb 26, 2015 at 12:25:16PM -0600, Felipe Balbi wrote:
>> >> FSDEV is set for both HIGH and FULL speeds,
>> >> the correct HIGHSPEED check is done through
>> >> power register's HSMODE bit.
>> >>
>> >> Signed-off-by: Felipe Balbi <balbi@xxxxxx>
>> >
>> > I'm still unsure if we should really ignore babble on FS/LS. It seems to
>> > me we should never ignore it, but I really don't have a way to prove
>> > this statement. For the sake of reducing impact, we will just fix HS
>> > check here.
>> >
>>
>> I believe we should drop speed check in here and not ignore babble
>> regardless. We have seen many cases that full-speed babble causes MUSB
>> stop working.
>
> I'll make that as a separate patch then, just to make sure we can revert
> it later if something goes wrong ;-)

Agreed.

>
> --
> balbi
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