From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jaehoon Chung <jh80.chung@samsung.com>
Subject: Re: [PATCH] mmc-utils: improve the parsing of the EXT_CSD registers
Date: Tue, 21 Feb 2012 13:56:10 +0900
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To: Chris Ball <cjb@laptop.org>
Cc: Jaehoon Chung <jh80.chung@samsung.com>, Giuseppe CAVALLARO <peppe.cavallaro@st.com>, linux-mmc@vger.kernel.org, sebras@gmail.com, linus.walleij@linaro.org, youssef.triki@st.com, Johan RUDHOLM <johan.rudholm@stericsson.com>, Kyungmin Park <kyungmin.park@samsung.com>

On 02/21/2012 01:46 PM, Chris Ball wrote:

> Hi,
> 
> On Mon, Feb 20 2012, Jaehoon Chung wrote:
>> Write protect is only supported the "power-on".
>> If there is no problem to support "permanent", i will send the patch.
>> Is any problem to support "permanent"?
> 
> I think I'd rather not -- we could add a comment to the code that
> explains that setting the EXT_CSD_BOOT_WP_B_PERM_WP_EN bit instead of
> EXT_CSD_BOOT_WP_B_PWR_WP_EN is how to achieve this, but I don't think
> we need to do more than that for such a rare and dangerous use case.

Ok..It's dangerous case..I see. :)
And I added the output message from eMMC4.5 device in the previous mail.

Best Regards,
Jaehoon Chung

> 
> Thanks,
> 
> - Chris.