From: Wolfgang Zarre <lkdev@essax.com>
Date: Sun, 15 Jan 2012 12:21:34 +0000 (+0100)
Subject: can: cc770: Fix indirect access deadlock on ISA cards
X-Git-Tag: v3.3-rc4~34^2~46
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d5091e08c684912ed6b9ca03d1f7b01501b7bf6;p=pandora-kernel.git

can: cc770: Fix indirect access deadlock on ISA cards

This fix avoids a deadlock if an interrupt occurs
during consecutive port operations on ISA cards
utilising indirect access via address and data
port.

Tested on a B&R ISA card.

Cc: linux-can@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Wolfgang Zarre <lkdev@essax.com>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---

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