can: flexcan: replace open coded "mailbox code" by proper define
authorMarc Kleine-Budde <mkl@pengutronix.de>
Tue, 23 Sep 2014 09:18:11 +0000 (11:18 +0200)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Wed, 6 May 2015 20:57:27 +0000 (22:57 +0200)
This patch replaces a open coded variant of a "mailbox code" definition by an
existing define, improves code readability.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
drivers/net/can/flexcan.c

Simple merge