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Date:	Sat, 20 Apr 2013 22:59:24 -0500
From:	Rob Landley <>
Cc:, Chris Ball <>,
	Namjae Jeon <>,
	Linus Walleij <>,
	Seungwon Jeon <>,
	Subhash Jadavani <>,
Subject: Re: [PATCH 3/3] Add Documentation for MMC boot_enable attribute

On 04/19/2013 07:46:25 AM, Neil Armstrong wrote:
> Add documentation on the enable_boot sysfs attribute.
> Signed-off-by: Neil Armstrong <>
> ---
>  Documentation/mmc/mmc-dev-parts.txt |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)
> diff --git a/Documentation/mmc/mmc-dev-parts.txt
> b/Documentation/mmc/mmc-dev-parts.txt
> index f08d078..78228de 100644
> --- a/Documentation/mmc/mmc-dev-parts.txt
> +++ b/Documentation/mmc/mmc-dev-parts.txt
> @@ -38,3 +38,9 @@ feature has been disabled on the card, the file will
> be read-only.
>  The boot partitions can also be locked permanently, but this feature  
> is
>  not accessible through sysfs in order to avoid accidental or  
> malicious
>  bricking.
> +
> +A special attribute named boot_enable is available to configure the
> +selected partition for the eMMC 4.3+ boot operation mode.

So "In eMMC version 4.3 or later, the boot_enable attribute selects the  
partition to boot from."

> +When selected between the two factory boot partitions and the main
> +user partition, at boot time a special sequence enables makes the
> +eMMC device to output the content of the selected partition.

enables makes?

Does this sentence actually add any information to the previous  
sentence? (Maybe I'm not reading it right, I'm not entirely sure what  
"selected between" or "special sequence" are referring to here...)

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