michaelh/zephyr
1
0
Fork 0
Code Releases Activity

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

Browse source 
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 16:05:16 +02:00 • committed by Carles Cufí
commit 9456eca5c0
13 changed files with 52 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/serial/serial_esp32_usb.c
View file

@ -75,6 +75,10 @@ static int serial_esp32_usb_init(const struct device *dev)
const struct serial_esp32_usb_config *config = dev->config;
struct serial_esp32_usb_data *data = dev->data;
if (!device_is_ready(config->clock_dev)) {
return -ENODEV;
}
int ret = clock_control_on(config->clock_dev, config->clock_subsys);
#ifdef CONFIG_UART_INTERRUPT_DRIVEN