linux-kernel - Re: [PATCH v3 0/3] dp83640: Get pin and master/slave configuration from DT

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Date:	Fri, 14 Feb 2014 13:36:17 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	richardcochran@...il.com
Cc:	stefan.sorensen@...ctralink.com, grant.likely@...aro.org,
	robh+dt@...nel.org, mark.rutland@....com,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH v3 0/3] dp83640: Get pin and master/slave configuration
 from DT

From: Richard Cochran <richardcochran@...il.com>
Date: Fri, 14 Feb 2014 10:06:01 +0100

> People want to be able to configure the auxiliary functions on the
> pins of their PTP devices. My preference for supporting this is:
> 
> 1. additional ioctl on the PTP character device
> 2. ethtool ioctl
> 3. DT and/or ACPI
> 
> The first option seems best because that is how you activate the
> auxiliary functions. I am working on something in this direction.

Probably since PTP already uses ioctls, and that is the activation
point, yes that seems the best approach.
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