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drivers: watchdog: disable iwdg at boot on stm32

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With this patch, the specific flag IWDG_STM32_START_AT_BOOT
is replaced by the zephyr generic WDT_DISABLE_AT_BOOT.

Signed-off-by: Francois Ramu <francois.ramu@st.com>
This commit is contained in:
Francois Ramu 2020-03-03 09:50:28 +01:00 • committed by Johan Hedberg
commit 3dfceded48
2 changed files with 1 additions and 10 deletions
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9
drivers/watchdog/Kconfig.stm32
View file

@ -11,15 +11,6 @@ menuconfig IWDG_STM32
help
Enable IWDG driver for STM32 line of MCUs
config IWDG_STM32_START_AT_BOOT
bool "Start IWDG during boot"
depends on IWDG_STM32
help
Enable this setting to allow IWDG to be automatically started
during device initialization. Note that once IWDG is started
it must be reloaded before the counter reaches 0, otherwise
the MCU will be reset.
config IWDG_STM32_TIMEOUT
int "Value for IWDG timeout in [us]"
depends on IWDG_STM32

2
drivers/watchdog/wdt_iwdg_stm32.c
View file

@ -151,7 +151,7 @@ static const struct wdt_driver_api iwdg_stm32_api = {
static int iwdg_stm32_init(struct device *dev)
{
#ifdef CONFIG_IWDG_STM32_START_AT_BOOT
#ifndef CONFIG_WDT_DISABLE_AT_BOOT
IWDG_TypeDef *iwdg = IWDG_STM32_STRUCT(dev);
struct wdt_timeout_cfg config = {
.window.max = CONFIG_IWDG_STM32_TIMEOUT / USEC_PER_MSEC,