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Re: [PATCH 24/25] MIPS: Alchemy: use the OHCI platform driver

To: Manuel Lauss <>
Subject: Re: [PATCH 24/25] MIPS: Alchemy: use the OHCI platform driver
From: Florian Fainelli <>
Date: Wed, 03 Oct 2012 17:24:25 +0200
Cc:,, Ralf Baechle <>, Manuel Lauss <>, Thomas Meyer <>, "David S. Miller" <>,,
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On Wednesday 03 October 2012 17:21:37 Manuel Lauss wrote:
> On Wed, Oct 3, 2012 at 5:03 PM, Florian Fainelli <> wrote:
> > This also greatly simplifies the power_{on,off} callbacks and make them
> > work on platform device id instead of checking the OHCI controller base
> > address like what was done in ohci-au1xxx.c.
> That was by design -- the base address is far more reliable in identifying 
> correct controller instance than the platform device id.   There are systems
> in the field which don't use the alchemy/common/platform.c file at all.

Fair enough, but the way it was done previously was very error-prone if the 
base address changed for any reason in the platform code, and you did not 
notice it had to be changed in the OHCI driver too, then it simply did not 
work. By systems in the field you mean out of tree users? If so, I'd say that 
it's up to you to get them maintained or merged.

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