drivers: can: mcan: notify of aborted transmission on can_stop()
Notify of any aborted transmission when entering init mode via can_stop().
Fixes: #50545
Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
diff --git a/drivers/can/can_mcan.c b/drivers/can/can_mcan.c
index 716deb5..e196951 100644
--- a/drivers/can/can_mcan.c
+++ b/drivers/can/can_mcan.c
@@ -257,12 +257,15 @@
const struct can_mcan_config *cfg = dev->config;
struct can_mcan_data *data = dev->data;
struct can_mcan_reg *can = cfg->can;
+ can_tx_callback_t tx_cb;
+ uint32_t tx_idx;
int ret;
if (!data->started) {
return -EALREADY;
}
+ /* CAN transmissions are automatically stopped when entering init mode */
ret = can_enter_init_mode(can, K_MSEC(CAN_INIT_TIMEOUT));
if (ret != 0) {
LOG_ERR("Failed to enter init mode");
@@ -281,6 +284,16 @@
data->started = false;
+ for (tx_idx = 0; tx_idx < ARRAY_SIZE(data->tx_fin_cb); tx_idx++) {
+ tx_cb = data->tx_fin_cb[tx_idx];
+
+ if (tx_cb != NULL) {
+ data->tx_fin_cb[tx_idx] = NULL;
+ tx_cb(dev, -ENETDOWN, data->tx_fin_cb_arg[tx_idx]);
+ k_sem_give(&data->tx_sem);
+ }
+ }
+
return 0;
}
@@ -554,6 +567,7 @@
k_sem_give(&data->tx_sem);
tx_cb = data->tx_fin_cb[tx_idx];
+ data->tx_fin_cb[tx_idx] = NULL;
tx_cb(dev, 0, data->tx_fin_cb_arg[tx_idx]);
}
}