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From: David Brown <davidb@codeaurora.org>
To: "peter.meng" <mengsanshui@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: How about the MMC/SDIO host controller standard under Linux ?
Date: Mon, 19 Mar 2012 17:29:55 -0700	[thread overview]
Message-ID: <20120320002955.GA26604@codeaurora.org> (raw)
In-Reply-To: <CADvmyBeNXHgknSUJazJY5EVueZHMcqJ7FpVEZT8kkv-bzb+F0w@mail.gmail.com>

On Mon, Mar 19, 2012 at 10:39:29AM +0800, peter.meng wrote:

> I see the drivers/mmc/host/sdhci.h define the common register as
> describe within
> Part_A2_SD_Host_Controller_Simplified_Specification_Ver3.00_Final_110225.pdf
> In this case all command related access register is common .(sdhci-xxx.c)
> Does this mean all sdhci-xxx.c that will support SD host controller  standard ?

> I see most code  such as s3cmci.c ,msm_sdcc.c that has their only
> private register that access by such as mmc_host_ops->request function
> .
> I want to know whether this mean these host controller doesn't support
>  SD host controller standard ?

There are numerous SD host controllers that aren't SDHCI.

David

-- 
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.

  reply	other threads:[~2012-03-20  0:29 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-19  2:39 How about the MMC/SDIO host controller standard under Linux ? peter.meng
2012-03-20  0:29 ` David Brown [this message]
2012-03-20  1:33   ` peter.meng

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