linux-kernel - Re: How about the MMC/SDIO host controller standard under Linux ?

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Date:	Tue, 20 Mar 2012 09:33:38 +0800
From:	"peter.meng" <mengsanshui@...il.com>
To:	David Brown <davidb@...eaurora.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: How about the MMC/SDIO host controller standard under Linux ?

Thanks David


On Tue, Mar 20, 2012 at 8:29 AM, David Brown <davidb@...eaurora.org> wrote:
> 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.
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