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drivers: watchdog: esp32: Acknowledge watchdog interrupt

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If the interrupt isn't acknowledged, the callback will continue to be
called.

Jira: ZEP-2556
Signed-off-by: Leandro Pereira <leandro.pereira@intel.com>
This commit is contained in:
Leandro Pereira 2017-08-23 12:54:10 -07:00 • committed by Anas Nashif
commit 8dc88069be
1 changed files with 7 additions and 0 deletions
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7
drivers/watchdog/wdt_esp32.c
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@ -123,6 +123,9 @@ static void wdt_esp32_reload(struct device *dev)
static void set_interrupt_enabled(bool setting)
{
volatile u32_t *intr_enable_reg = (u32_t *)TIMG_INT_ENA_TIMERS_REG(1);
volatile u32_t *intr_clear_timers = (u32_t *)TIMG_INT_CLR_TIMERS_REG(1);
*intr_clear_timers |= TIMG_WDT_INT_CLR;
if (setting) {
*intr_enable_reg |= TIMG_WDT_INT_ENA;
@ -132,6 +135,7 @@ static void set_interrupt_enabled(bool setting)
irq_enable(CONFIG_WDT_ESP32_IRQ);
} else {
*intr_enable_reg &= ~TIMG_WDT_INT_ENA;
irq_disable(CONFIG_WDT_ESP32_IRQ);
}
}
@ -229,8 +233,11 @@ DEVICE_AND_API_INIT(wdt_esp32, CONFIG_WDT_ESP32_DEVICE_NAME, wdt_esp32_init,
static void wdt_esp32_isr(void *param)
{
struct wdt_esp32_data *data = param;
volatile u32_t *reg = (u32_t *)TIMG_INT_CLR_TIMERS_REG(1);
if (data->config.interrupt_fn) {
data->config.interrupt_fn(DEVICE_GET(wdt_esp32));
}
*reg |= TIMG_WDT_INT_CLR;
}