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Date: Mon, 10 Aug 2020 19:33:45 -0700 From: Florian Fainelli <f.fainelli@...il.com> To: Philippe Mathieu-Daudé <f4bug@...at.org>, Álvaro Fernández Rojas <noltari@...il.com> Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>, Florian Fainelli <f.fainelli@...il.com>, Jonas Gorski <jonas.gorski@...il.com>, bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>, "open list:BROADCOM NVRAM DRIVER" <linux-mips@...r.kernel.org>, Linux ARM <linux-arm-kernel@...ts.infradead.org>, open list <linux-kernel@...r.kernel.org> Subject: Re: [PATCH v2 3/4] MIPS: BCM63xx: enable EHCI for DWV-S0 board 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@...il.com> 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
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