From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Date: Wed, 26 Mar 2008 13:33:14 +0000 (+1100)
Subject: [POWERPC] Add of_device_is_available function
X-Git-Tag: v2.6.26-rc1~1125^2~70
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=834d97d452208279edf11c57eca150360d2dd1d6;p=pandora-kernel.git

[POWERPC] Add of_device_is_available function

IEEE 1275 defined a standard "status" property to indicate the operational
status of a device.  The property has four possible values: okay, disabled,
fail, fail-xxx.  The absence of this property means the operational status
of the device is unknown or okay.

This adds a function called of_device_is_available that checks the state
of the status property of a device.  If the property is absent or set to
either "okay" or "ok", it returns 1.  Otherwise it returns 0.

Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---

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