diff options
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/max77620_wdt.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/watchdog/max77620_wdt.c b/drivers/watchdog/max77620_wdt.c index cd321c7e0d59..b76ad6ba0915 100644 --- a/drivers/watchdog/max77620_wdt.c +++ b/drivers/watchdog/max77620_wdt.c @@ -123,6 +123,11 @@ static int max77620_wdt_set_timeout(struct watchdog_device *wdt_dev, break; } + /* + * "If the value of TWD needs to be changed, clear the system + * watchdog timer first [...], then change the value of TWD." + * (MAX77714 datasheet but applies to MAX77620 too) + */ ret = regmap_update_bits(wdt->rmap, wdt->drv_data->reg_cnfg_glbl3, wdt->drv_data->wdtc_mask, 0x1); if (ret < 0) |