Re: [PATCH v8 4/5] usb: ehci: Add new EHCI driver for Broadcom STB SoC's

Florian Fainelli
2020-05-08T22:52:28Z

On 5/8/2020 2:19 PM, Al Cooper wrote:
> Add a new EHCI driver for Broadcom STB SoC's. A new EHCI driver
> was created instead of adding support to the existing ehci platform
> driver because of the code required to workaround bugs in the EHCI
> controller. The primary workround is for a bug where the Core
> violates the SOF interval between the first two SOFs transmitted after
> resume. This only happens if the resume occurs near the end of a
> microframe. The fix is to intercept the echi-hcd request to complete
> RESUME and align it to the start of the next microframe.
>
> Signed-off-by: Al Cooper <alcooperx@gmail.com>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
--
Florian