From: Nithin Nayak Sujir <nsujir@broadcom.com>
Date: Mon, 14 Jan 2013 17:11:00 +0000 (+0000)
Subject: tg3: Fix crc errors on jumbo frame receive
X-Git-Tag: v3.2.39~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8c94017dc1f59e33636238d16afdf3848e5e57c7;p=pandora-kernel.git

tg3: Fix crc errors on jumbo frame receive

[ Upstream commit daf3ec688e057f6060fb9bb0819feac7a8bbf45c ]

TG3_PHY_AUXCTL_SMDSP_ENABLE/DISABLE macros do a blind write to the phy
auxiliary control register and overwrite the EXT_PKT_LEN (bit 14) resulting
in intermittent crc errors on jumbo frames with some link partners. Change
the code to do a read/modify/write.

Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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