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driver: watchdog: prevent floating point usage

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Prevent the use of floating point operations

Signed-off-by: Steven Chang <steven@ene.com.tw>
This commit is contained in:
Steven Chang 2024-03-31 12:14:34 +08:00 committed by Fabio Baltieri
parent 5be02da636
commit e44c0987b9
2 changed files with 2 additions and 2 deletions
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2
drivers/watchdog/wdt_ene_kb1200.c
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@ -82,7 +82,7 @@ static int wdt_kb1200_install_timeout(const struct device *dev,
data->timeout_installed = false; data->timeout_installed = false;
return -EINVAL; return -EINVAL;
} }
cfg->wdt->WDTM = (config->window.max) / WDT_SAMPLE_TIME; cfg->wdt->WDTM = (config->window.max * 1000) / WDT_TICK_TIME_US;
/* (HW design) The counter match value must be >= 3 */ /* (HW design) The counter match value must be >= 3 */
if (cfg->wdt->WDTM < WDT_MIN_CNT) { if (cfg->wdt->WDTM < WDT_MIN_CNT) {
data->timeout_installed = false; data->timeout_installed = false;

2
soc/ene/kb1200/reg/wdt.h
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@ -24,7 +24,7 @@ struct wdt_regs {
}; };
#define WDT_MIN_CNT 3U #define WDT_MIN_CNT 3U
#define WDT_SAMPLE_TIME 31.25 #define WDT_TICK_TIME_US 31250
#define WDT_RESET_WHOLE_CHIP_WO_GPIO 0 #define WDT_RESET_WHOLE_CHIP_WO_GPIO 0
#define WDT_RESET_WHOLE_CHIP 1 #define WDT_RESET_WHOLE_CHIP 1