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From: Ben Dooks <ben@trinity.fluff.org>
To: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
	Chris Ball <cjb@laptop.org>, Simon <horms@verge.net.au>,
	Magnus <magnus.damm@gmail.com>,
	Linux-SH <linux-sh@vger.kernel.org>,
	Kuninori Morimoto <kuninori.morimoto.gx@gmail.com>,
	linux-mmc@vger.kernel.org
Subject: Re: [PATCH 1/3] mmc: block: add block number limitation flag for lultiple block read
Date: Fri, 30 May 2014 11:46:54 +0000	[thread overview]
Message-ID: <20140530114654.GF6241@trinity.fluff.org> (raw)
In-Reply-To: <538864C1.2040203@samsung.com>

On Fri, May 30, 2014 at 08:00:17PM +0900, Jaehoon Chung wrote:
> Hi, Kuninori.
> 
> Subject has the typo. lultiple -> multiple?
> I didn't know why you need this patch. Would you use the MMC_CAP2_NO_MULTI_READ?
> And I think...it's not good that used the card's capability flags to fix your H/W bug.

If you do that, then there is around a 8-10x performance penalty.

-- 
Ben Dooks, ben@fluff.org, http://www.fluff.org/ben/

Large Hadron Colada: A large Pina Colada that makes the universe disappear.


  parent reply	other threads:[~2014-05-30 11:46 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-30 10:40 [PATCH 0/3] mmc: Kuninori Morimoto
2014-05-30 10:40 ` [PATCH 1/3] mmc: block: add block number limitation flag for lultiple block read Kuninori Morimoto
2014-05-30 11:00   ` Jaehoon Chung
2014-05-30 11:14     ` Kuninori Morimoto
2014-05-30 11:46     ` Ben Dooks [this message]
2014-05-30 13:25   ` Sergei Shtylyov
2014-05-30 13:40     ` Kuninori Morimoto
2014-05-30 10:40 ` [PATCH 2/3] mmc: sdhi: tidyup mmc_data setting for R-Car SDHI Kuninori Morimoto
2014-05-30 10:40 ` [PATCH 3/3] mmc: tmio: care about DMA tx/rx addr offset Kuninori Morimoto
2014-05-30 10:56   ` Ben Dooks

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