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drivers: can: check if clock device is ready before accessing

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Add check for device_is_ready() before accessing clock control devices.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
This commit is contained in:
Henrik Brix Andersen 2022-08-08 13:31:51 +02:00 • committed by Carles Cufí
commit 035c7d2190
6 changed files with 35 additions and 3 deletions
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5
drivers/can/can_mcux_mcan.c
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@ -46,6 +46,11 @@ static int mcux_mcan_init(const struct device *dev)
const struct mcux_mcan_config *mcux_config = mcan_config->custom;
int err;
if (!device_is_ready(mcux_config->clock_dev)) {
LOG_ERR("clock control device not ready");
return -ENODEV;
}
#ifdef CONFIG_PINCTRL
err = pinctrl_apply_state(mcux_config->pincfg, PINCTRL_STATE_DEFAULT);
if (err) {