svn commit: r331306 - head/sys/dev/usb/controller

[Andrew Turner]

> On 21 Mar 2018, at 15:37, Hans Petter Selasky <hps at selasky.org> wrote:
> 
> On 03/21/18 16:24, Kyle Evans wrote:
>>> +       {
>>> +               .ep_end = 7,
>>> +               .ep_fifosz_shift = 9,
>>> +               .ep_fifosz_reg = MUSB2_VAL_FIFOSZ_512 | MUSB2_MASK_FIFODB,
>>> +       },
>> I'm afraid I'm not familiar with this- why did .ep_fifosz_shift for
>> this case drop to 9? frx = 10 in the temp < 8 case in the removals of
>> the following hunks. Mostly curious because the others seemed to stay
>> the same.
> 
> Hi Andrew,
> 
> It might be an idea to keep the fifosz_shift at 10, else high-speed BULK traffic won't be double buffered, and this might affect performance.

Should the endpoint 1 size also be fixed? The register has it at 4k, but it wasn’t an 8k buffer.

Andrew