arcnet: com20020-pci: add attribute to readback backplane status
authorMichael Grzeschik <m.grzeschik@pengutronix.de>
Wed, 28 Jun 2017 16:32:19 +0000 (18:32 +0200)
committerDavid S. Miller <davem@davemloft.net>
Thu, 29 Jun 2017 19:26:13 +0000 (15:26 -0400)
commitede07a1fc7d70adfb290cfdace391295897023cb
tree83d1c56e9c4d4d8d0ddb0dc21028b2755e311e83
parent05fcd31cc472c5da6416d3bc2ab25599bbb9331f
arcnet: com20020-pci: add attribute to readback backplane status

We add the sysfs interface the read back the backplane
status of the interface.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/arcnet/com20020-pci.c