From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Thu, 29 Aug 2013 06:55:07 +0000 (+1000)
Subject: powerpc: Enable /dev/port when isa_io_special is set
X-Git-Tag: omap-for-v3.13/fixes-for-merge-window-take2~19^2~59
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ac237b65f56c9b80d7774c35ccce15a74d445621;p=pandora-kernel.git

powerpc: Enable /dev/port when isa_io_special is set

isa_io_special is set when the platform provides a "special"
implementation of inX/outX via some FW interface for example.

Such a platform doesn't need an ISA bridge on PCI, and so /dev/port
should be made available even if one isn't present.

This makes the LPC bus IOs accessible via /dev/port on PowerNV Power8

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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