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From: Jaehoon Chung <jh80.chung@samsung.com>
To: Prasanna NAVARATNA <prasanna.navaratna@gmail.com>
Cc: linux-mmc@vger.kernel.org
Subject: Re: [PATCH] mmc: enable BKOPS for supported eMMC(4.41)
Date: Thu, 05 Sep 2013 22:03:38 +0900	[thread overview]
Message-ID: <5228812A.2040301@samsung.com> (raw)
In-Reply-To: <loom.20130905T110125-516@post.gmane.org>

On 09/05/2013 06:12 PM, Prasanna NAVARATNA wrote:
> Hello,
>  
>> http://permalink.gmane.org/gmane.linux.kernel.mmc/15430
> This link mentions that BKOPS_EN 163bit in EXT_CSD is one-time programmable
> flag but from JEDEC Standard No. 84-A441 spec, it is R/W bit. Please
> re-confirm about the statement.
R/W bit is one-time programmable and readable. what do you mean?
> 
> 
>>> MMC-Utils open source utility for enabling and disabling features.
>>> It use ioctl defined in block/card to send commands to host.
>>> git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc-utils.git
> 
> I am not able to find this git in my platform repo. 
> Is this mmc-utils git mandatory to have? 
> What if, somebody don't have it and need to enabled BKOPS for eMMMC4.41?
> Is mmc-utils the only way to enable BKOPS?
If you want to enable the bkops, then you can use your patch at your local repo, not mainline.

Best Regards,
Jaehoon Chung
> 
> Regards,
> Prasanna NAVARATNA
> 
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  reply	other threads:[~2013-09-05 13:03 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-30 12:09 [PATCH] mmc: enable BKOPS for supported eMMC(4.41) Prasanna NAVARATNA
2013-09-02  6:24 ` Jaehoon Chung
2013-09-03  8:58   ` Prasanna NAVARATNA
2013-09-03  9:34     ` Nitin Singla
2013-09-04  2:34       ` Jaehoon Chung
2013-09-05  9:12         ` Prasanna NAVARATNA
2013-09-05 13:03           ` Jaehoon Chung [this message]
2013-09-05 14:12             ` Prasanna NAVARATNA

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