From: Chris Elmquist <chrise@sgi.com>
Date: Tue, 20 Dec 2005 21:25:19 +0000 (-0800)
Subject: [TG3]: ethtool -d hangs PCIe systems
X-Git-Tag: v2.6.15~27^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=091465d7514893a55dcf63e420698b21159c39a7;p=pandora-kernel.git

[TG3]: ethtool -d hangs PCIe systems

Resubmitting after recommendation to use GET_REG32_1() instead of
GET_REG32_LOOP(..., 1).  Retested.  Problem remains fixed.

Prevent tg3_get_regs() from reading reserved and undocumented registers
at RX_CPU_BASE and TX_CPU_BASE offsets which caused hostile behavior
on PCIe platforms.

Acked-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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