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drivers: spi: 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 16:05:30 +02:00 • committed by Carles Cufí
commit d6776fe169
6 changed files with 30 additions and 0 deletions
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5
drivers/spi/spi_mcux_dspi.c
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@ -632,6 +632,11 @@ static int spi_mcux_configure(const struct device *dev,
ctar_config->lastSckToPcsDelayInNanoSec = config->sck_pcs_delay;
ctar_config->betweenTransferDelayInNanoSec = config->transfer_delay;
if (!device_is_ready(config->clock_dev)) {
LOG_ERR("clock control device not ready");
return -ENODEV;
}
if (clock_control_get_rate(config->clock_dev, config->clock_subsys,
&clock_freq)) {
return -EINVAL;