linux-kernel - Re: [PATCH v3 4/4] Documentation: ABI: /sys/firmware/devicetree/overlays

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Date:	Fri, 24 Apr 2015 22:31:21 +0200
From:	Greg KH <greg@...ah.com>
To:	Pantelis Antoniou <pantelis.antoniou@...sulko.com>
Cc:	Rob Herring <robherring2@...il.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Matt Porter <mporter@...sulko.com>,
	Koen Kooi <koen@...inion.thruhere.net>,
	Guenter Roeck <linux@...ck-us.net>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
	Pantelis Antoniou <panto@...oniou-consulting.com>
Subject: Re: [PATCH v3 4/4] Documentation: ABI:
 /sys/firmware/devicetree/overlays

On Fri, Apr 24, 2015 at 12:45:44PM +0300, Pantelis Antoniou wrote:
> Documentation ABI entry for overlays sysfs entries.
> 
> Signed-off-by: Pantelis Antoniou <pantelis.antoniou@...sulko.com>
> ---
>  .../ABI/testing/sysfs-firmware-devicetree-overlays | 23 ++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
>  create mode 100644 Documentation/ABI/testing/sysfs-firmware-devicetree-overlays
> 
> diff --git a/Documentation/ABI/testing/sysfs-firmware-devicetree-overlays b/Documentation/ABI/testing/sysfs-firmware-devicetree-overlays
> new file mode 100644
> index 0000000..6b81f1c
> --- /dev/null
> +++ b/Documentation/ABI/testing/sysfs-firmware-devicetree-overlays
> @@ -0,0 +1,23 @@
> +What:		/sys/firmware/devicetree/overlays/
> +Date:		March 2015
> +Contact:	Pantelis Antoniou <pantelis.antoniou@...sulko.com>
> +Description:
> +		This directory contains the applied device tree overlays of
> +		the running system, as directories of the overlay id.

"as"?

> +
> +		enable: The master enable switch, by default is 1, and when
> +		        set to 0 it cannot be re-enabled for security reasons.

What are those reasons?

thanks,

greg k-h
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