linux-kernel - Re: [PATCH 0/5] Add eMMC and SD card support for rk3288-evb

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Date:	Tue, 29 Jul 2014 22:42:51 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Doug Anderson <dianders@...omium.org>
Cc:	Heiko Stuebner <heiko@...ech.de>,
	Seungwon Jeon <tgih.jun@...sung.com>,
	Jaehoon Chung <jh80.chung@...sung.com>,
	Chris Ball <chris@...ntf.net>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Addy Ke <addy.ke@...k-chips.com>,
	Kever Yang <kever.yang@...k-chips.com>,
	Sonny Rao <sonnyrao@...omium.org>,
	linux-arm-kernel@...ts.infradead.org, linux-mmc@...r.kernel.org,
	mark.rutland@....com, devicetree@...r.kernel.org,
	linux@....linux.org.uk, pawel.moll@....com,
	ijc+devicetree@...lion.org.uk, linux-kernel@...r.kernel.org,
	robh+dt@...nel.org, galak@...eaurora.org
Subject: Re: [PATCH 0/5] Add eMMC and SD card support for rk3288-evb

On Tuesday 29 July 2014 13:31:51 Doug Anderson wrote:
> This series adds basic eMMC and SD card support for the rk3288-evb
> board based on Addy's posted dw_mmc patch from:
>   https://patchwork.kernel.org/patch/4520631/
> 
> The series is a little tricky because:
> * Addy's patch has a bug w/ DDR50 (see my response there), so I've
>   posted the original support without DDR50 and then a fix (that could
>   be squashed) enabling DDR50.
> * Jaehoon has some outstanding patches to remove the slot node.  Since
>   those haven't landed yet, I've posted my original patch with the
>   slot node and then some future patches that can land with Jaehoon's
>   patches.
> 
> Note that we don't have regulators specified yet (no regulator driver
> for rk808-based board).  We also don't yet support UHS modes (which
> require regulator support plus dw_mmc driver support for tuning).
> Those features can come later.

Looks good to me,

Acked-by: Arnd Bergmann <arnd@...db.de>

I wonder whether something can be done to generalize the tuning
support. Is this just about the clock phase, or something else?

	Arnd
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