can: flexcan: add documentation about mailbox organization
authorMarc Kleine-Budde <mkl@pengutronix.de>
Wed, 17 Sep 2014 10:50:48 +0000 (12:50 +0200)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Wed, 6 May 2015 20:57:26 +0000 (22:57 +0200)
This patch adds a short documentation snippet about the mailbox organization as
it's regularly not correct in freescale's datasheets.

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

Simple merge