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

From: Doug Anderson <dianders@chromium.org>
To: Alim Akhtar <alim.akhtar@gmail.com>, Addy Ke <addy.ke@rock-chips.com>
Cc: "Jaehoon Chung" <jh80.chung@samsung.com>,
	"Ulf Hansson" <ulf.hansson@linaro.org>,
	"Olof Johansson" <olof@lixom.net>,
	"Andrzej Hajda" <a.hajda@samsung.com>,
	"Heiko Stübner" <heiko@sntech.de>,
	"Eddie Cai" <cf@rock-chips.com>, lintao <lintao@rock-chips.com>,
	"Tao Huang" <huangtao@rock-chips.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"open list:ARM/Rockchip SoC..."
	<linux-rockchip@lists.infradead.org>,
	"Javier Martinez Canillas" <javier.martinez@collabora.co.uk>
Subject: Re: [PATCH v4 1/3] mmc: dw_mmc: update clock after host reach a stable voltage
Date: Thu, 19 Feb 2015 17:04:50 -0800	[thread overview]
Message-ID: <CAD=FV=VSYQs8p9m_+dmXmkMmxgqzDA6EGZ9Vfy3wsby5k5NitQ@mail.gmail.com> (raw)
In-Reply-To: <CAD=FV=V9aK-78GJ_eWkpZZdVT_5Zu8ehxg_o3NtnpD2wyRuh7Q@mail.gmail.com>

Hi,

On Thu, Feb 19, 2015 at 3:49 PM, Doug Anderson <dianders@chromium.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