Re: [PATCH v2 3/4] MIPS: BCM63xx: enable EHCI for DWV-S0 board

From: Florian Fainelli
Date: Mon Aug 10 2020 - 22:33:52 EST




On 8/9/2020 11:49 AM, Philippe Mathieu-Daudé wrote:
> Hi Álvaro,
>
> On Fri, Aug 7, 2020 at 12:05 PM Álvaro Fernández Rojas
> <noltari@xxxxxxxxx> wrote:
>>
>> EHCI and OHCI share the same USB ports. Therefore, if the board has OHCI
>> it should also have EHCI.
>
> This statement isn't correct. OHCI doesn't imply EHCI...
> (although the opposite is almost always true).
>
> Now per 6358-PB01-R the bcm6358 indeed has a EHCI controller.
>
> Do you mind rewording the commit description?

Is not it that a single USB port is used and we need the EHCI controller
active in order for the correct speed negotiation to occur?
--
Florian