diff options
| author | Sean Nyekjaer <sean@geanix.com> | 2024-11-22 15:52:22 +0100 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2025-01-10 11:05:43 +0100 |
| commit | baa8aaf79768b72eb7a181c476ca0291613f59e6 (patch) | |
| tree | b184527c81634b03c670a9dcb409493dec6396ea /drivers/net/can/m_can | |
| parent | d50c837675a95f733e53a5e21eb168f8c9f5a73d (diff) | |
can: m_can: add deinit callback
This is added in preparation for calling standby mode in the tcan4x5x
driver or other users of m_can.
For the tcan4x5x; If Vsup 12V, standby mode will save 7-8mA, when the
interface is down.
Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Link: https://patch.msgid.link/20241122-tcan-standby-v3-1-90bafaf5eccd@geanix.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can/m_can')
| -rw-r--r-- | drivers/net/can/m_can/m_can.c | 7 | ||||
| -rw-r--r-- | drivers/net/can/m_can/m_can.h | 1 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 16e9e7d7527d..e31ce973892a 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -1756,6 +1756,13 @@ static void m_can_stop(struct net_device *dev) /* set the state as STOPPED */ cdev->can.state = CAN_STATE_STOPPED; + + if (cdev->ops->deinit) { + ret = cdev->ops->deinit(cdev); + if (ret) + netdev_err(dev, "failed to deinitialize: %pe\n", + ERR_PTR(ret)); + } } static int m_can_close(struct net_device *dev) diff --git a/drivers/net/can/m_can/m_can.h b/drivers/net/can/m_can/m_can.h index 92b2bd8628e6..6206535341a2 100644 --- a/drivers/net/can/m_can/m_can.h +++ b/drivers/net/can/m_can/m_can.h @@ -68,6 +68,7 @@ struct m_can_ops { int (*write_fifo)(struct m_can_classdev *cdev, int addr_offset, const void *val, size_t val_count); int (*init)(struct m_can_classdev *cdev); + int (*deinit)(struct m_can_classdev *cdev); }; struct m_can_tx_op { |