From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Thu, 29 Aug 2013 06:55:45 +0000 (+1000)
Subject: powerpc/scom: Change scom_read() and scom_write() to return errors
X-Git-Tag: omap-for-v3.13/fixes-for-merge-window-take2~19^2~58
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aaa63093dd4c393391a3368e1c7305b0cc620571;p=pandora-kernel.git

powerpc/scom: Change scom_read() and scom_write() to return errors

scom_read() now returns the read value via a pointer argument and
both functions return an int error code

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