From: Hugh Blemings <hugh@blemings.org>
Date: Wed, 5 Dec 2007 00:14:30 +0000 (+1100)
Subject: ibm_newemac: Skip EMACs that are marked unused by the firmware
X-Git-Tag: v2.6.24-rc5~30
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3d722562d734834282bccd97e0badd213ec311e9;p=pandora-kernel.git

ibm_newemac: Skip EMACs that are marked unused by the firmware

Depending on how the 44x processors are wired, some EMAC cells
might not be useable (and not connected to a PHY). However, some
device-trees may choose to still expose them (since their registers
are present in the MMIO space) but with an "unused" property in them.

Signed-off-by: Hugh Blemings <hugh@blemings.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---

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