From: Jan Altenberg <jan@linutronix.de>
Date: Tue, 22 Mar 2011 01:19:26 +0000 (-0700)
Subject: can: c_can: Do basic c_can configuration _before_ enabling the interrupts
X-Git-Tag: v2.6.39-rc1~390^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4f2d56c45fec7c15169599cab05e9f6df18769d0;p=pandora-kernel.git

can: c_can: Do basic c_can configuration _before_ enabling the interrupts

I ran into some trouble while testing the SocketCAN driver for the BOSCH
C_CAN controller. The interface is not correctly initialized, if I put
some CAN traffic on the line, _while_ the interface is being started
(which means: the interface doesn't come up correcty, if there's some RX
traffic while doing 'ifconfig can0 up').

The current implementation enables the controller interrupts _before_
doing the basic c_can configuration. I think, this should be done the
other way round.

The patch below fixes things for me.

Signed-off-by: Jan Altenberg <jan@linutronix.de>
Acked-by: Kurt Van Dijck <kurt.van.dijck@eia.be>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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