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can: sja1000: Add support for CAN_CTRLMODE_LOOPBACK
authorNikita Edward Baruzdin <nebaruzdin@gmail.com>
Fri, 11 Jul 2014 12:13:20 +0000 (16:13 +0400)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Tue, 15 Jul 2014 07:34:23 +0000 (09:34 +0200)
This adds support for hardware loopback in SJA1000 by utilising its self
reception request (SRR) feature. Upon SRR the message is transmitted and
received simultaneously, meaning you can't have hardware loopback
without actually sending a message to the CAN bus in case of SJA1000.

Signed-off-by: Nikita Edward Baruzdin <nebaruzdin@gmail.com>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
drivers/net/can/sja1000/sja1000.c patch | blob | history

diff --cc drivers/net/can/sja1000/sja1000.c
Simple merge
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