diff options
| author | Marcus Folkesson <marcus.folkesson@gmail.com> | 2025-03-26 09:29:51 +0100 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@linux-watchdog.org> | 2025-05-24 16:57:52 +0200 |
| commit | 325f510fcd9cda5a44bcb662b74ba4e3dabaca10 (patch) | |
| tree | e25a2ee73e2c97fa61a9a696dbea37884f24b767 | |
| parent | 8807f0afacc480ea9b8c143e765868907b5c4c47 (diff) | |
watchdog: da9052_wdt: respect TWDMIN
We have to wait at least the minimium time for the watchdog window
(TWDMIN) before writings to the wdt register after the
watchdog is activated.
Otherwise the chip will assert TWD_ERROR and power down to reset mode.
Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20250326-da9052-fixes-v3-4-a38a560fef0e@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
| -rw-r--r-- | drivers/watchdog/da9052_wdt.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/watchdog/da9052_wdt.c b/drivers/watchdog/da9052_wdt.c index 5bef70cb74b3..afb7887c3a1e 100644 --- a/drivers/watchdog/da9052_wdt.c +++ b/drivers/watchdog/da9052_wdt.c @@ -180,6 +180,7 @@ static int da9052_wdt_probe(struct platform_device *pdev) da9052_wdt = &driver_data->wdt; da9052_wdt->timeout = DA9052_DEF_TIMEOUT; + da9052_wdt->min_hw_heartbeat_ms = DA9052_TWDMIN; da9052_wdt->info = &da9052_wdt_info; da9052_wdt->ops = &da9052_wdt_ops; da9052_wdt->parent = dev; |