From: Hariprasad Shenai <hariprasad@chelsio.com>
Date: Thu, 9 Oct 2014 00:18:47 +0000 (+0530)
Subject: cxgb4: Wait for device to get ready before reading any register
X-Git-Tag: fixes-against-v3.18-rc2~115^2~18^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8203b509c5b7aab7a8170626ce02372c61da2cdd;p=pandora-kernel.git

cxgb4: Wait for device to get ready before reading any register

Call t4_wait_dev_ready() before attempting to read the PL_WHOAMI register
(to determine which function we have been attached to). This prevents us from
failing on that read if it comes right after a RESET.

Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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