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drivers: can: mcux: flexcan: fail init if clock device is not ready

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Fail the NXP MCUX FlexCAN driver initialization of the clock controller
device is not ready.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
This commit is contained in:
Henrik Brix Andersen 2022-03-24 14:25:44 +01:00 • committed by Maureen Helm
commit 69238dbfee
1 changed files with 5 additions and 0 deletions
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5
drivers/can/can_mcux_flexcan.c
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@ -701,6 +701,11 @@ static int mcux_flexcan_init(const struct device *dev)
} }
} }
if (!device_is_ready(config->clock_dev)) {
LOG_ERR("clock device not ready");
return -ENODEV;
}
k_mutex_init(&data->rx_mutex); k_mutex_init(&data->rx_mutex);
k_sem_init(&data->tx_allocs_sem, MCUX_FLEXCAN_MAX_TX, k_sem_init(&data->tx_allocs_sem, MCUX_FLEXCAN_MAX_TX,
MCUX_FLEXCAN_MAX_TX); MCUX_FLEXCAN_MAX_TX);