linux-kernel - Re: [PATCH v4 1/3] mmc: dw_mmc: update clock after host reach a stable voltage

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Message-ID: <CAD=FV=VSYQs8p9m_+dmXmkMmxgqzDA6EGZ9Vfy3wsby5k5NitQ@mail.gmail.com>
Date:	Thu, 19 Feb 2015 17:04:50 -0800
From:	Doug Anderson <dianders@...omium.org>
To:	Alim Akhtar <alim.akhtar@...il.com>,
	Addy Ke <addy.ke@...k-chips.com>
Cc:	Jaehoon Chung <jh80.chung@...sung.com>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Olof Johansson <olof@...om.net>,
	Andrzej Hajda <a.hajda@...sung.com>,
	Heiko Stübner <heiko@...ech.de>,
	Eddie Cai <cf@...k-chips.com>, lintao <lintao@...k-chips.com>,
	Tao Huang <huangtao@...k-chips.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
Subject: Re: [PATCH v4 1/3] mmc: dw_mmc: update clock after host reach a
 stable voltage

Hi,

On Thu, Feb 19, 2015 at 3:49 PM, Doug Anderson <dianders@...omium.org> wrote:
> I've got that coded up but I'm still testing it...  If you want to try
> it too, you can find it at
> <https://chromium-review.googlesource.com/251341>.
>
> Note that without my patch I find that I _really_ need Addy's patch to
> make sure that the card isn't busy in setup_bus.  With my patch Addy's
> code catches the card busy less often.  I'm still trying to see if
> there's a way to totally remove the need for his setup_bus and still
> trying to grok all the patches flying around...

Ah, this might be the magic needed:

https://chromium-review.googlesource.com/251344


I think that together with the previous patch things are happy for me
without any of Addy's patches, though it's the end of my work day and
I haven't given this nearly as much testing as I'd like.

I'll continue testing tomorrow and then post both patches together upstream.

-Doug
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