From: Iyappan Subramanian <isubramanian@apm.com>
Date: Mon, 3 Nov 2014 19:59:55 +0000 (-0800)
Subject: drivers: net: xgene: Backward compatibility with older firmware
X-Git-Tag: omap-for-v3.19/fixes-for-merge-window~119^2~40^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c3f4465d272fa94d5a077c502e83d3e712ec8d62;p=pandora-kernel.git

drivers: net: xgene: Backward compatibility with older firmware

This patch adds support when used with older firmware (<= 1.13.28).

- Added xgene_ring_mgr_init() to check whether ring manager is initialized
- Calling xgene_ring_mgr_init() from xgene_port_ops.reset()
- To handle errors, changed the return type of xgene_port_ops.reset()

Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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