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| author | Oliver Hartkopp <socketcan@hartkopp.net> | 2017-01-10 18:52:06 +0100 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2017-01-24 13:52:00 +0100 |
| commit | 12a6075cabc0d9ffbc0366b44daa22f278606312 (patch) | |
| tree | e57621aa1b8b591f869d7313d4bb5c55a5c9884b /include/linux/can | |
| parent | d140199af510ad4749dc5e38b7922135258ba5fd (diff) | |
| download | blackbird-obmc-linux-12a6075cabc0d9ffbc0366b44daa22f278606312.tar.gz blackbird-obmc-linux-12a6075cabc0d9ffbc0366b44daa22f278606312.zip | |
can: dev: add CAN interface termination API
This patch adds a netlink interface to configure the CAN bus termination of
CAN interfaces.
Inside the driver an array of supported termination values is defined:
const u16 drvname_termination[] = { 60, 120, CAN_TERMINATION_DISABLED };
struct drvname_priv *priv;
priv = netdev_priv(dev);
priv->termination_const = drvname_termination;
priv->termination_const_cnt = ARRAY_SIZE(drvname_termination);
priv->termination = CAN_TERMINATION_DISABLED;
And the funtion to set the value has to be defined:
priv->do_set_termination = drvname_set_termination;
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Reviewed-by: Ramesh Shanmugasundaram <Ramesh.shanmugasundaram@bp.renesas.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'include/linux/can')
| -rw-r--r-- | include/linux/can/dev.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h index 5f5270941ba0..f6a57f322f00 100644 --- a/include/linux/can/dev.h +++ b/include/linux/can/dev.h @@ -38,6 +38,9 @@ struct can_priv { struct can_bittiming bittiming, data_bittiming; const struct can_bittiming_const *bittiming_const, *data_bittiming_const; + const u16 *termination_const; + unsigned int termination_const_cnt; + u16 termination; struct can_clock clock; enum can_state state; @@ -53,6 +56,7 @@ struct can_priv { int (*do_set_bittiming)(struct net_device *dev); int (*do_set_data_bittiming)(struct net_device *dev); int (*do_set_mode)(struct net_device *dev, enum can_mode mode); + int (*do_set_termination)(struct net_device *dev, u16 term); int (*do_get_state)(const struct net_device *dev, enum can_state *state); int (*do_get_berr_counter)(const struct net_device *dev, |
