This callback will provide the current time left.
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
drivers/watchdog/lantiq_wdt.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/watchdog/lantiq_wdt.c b/drivers/watchdog/lantiq_wdt.c
index 5cc02849f599..13eada1bbb68 100644
--- a/drivers/watchdog/lantiq_wdt.c
+++ b/drivers/watchdog/lantiq_wdt.c
@@ -135,11 +135,21 @@ static int ltq_wdt_ping(struct watchdog_device *wdt)
return 0;
}
+unsigned int ltq_wdt_get_timeleft(struct watchdog_device *wdt)
+{
+ struct ltq_wdt_priv *priv = ltq_wdt_get_priv(wdt);
+ u64 timeout;
+
+ timeout = ltq_wdt_r32(priv, LTQ_WDT_SR) & LTQ_WDT_SR_VALUE_MASK;
+ return do_div(timeout, priv->clk_rate / LTQ_WDT_DIVIDER);
+}
+
static const struct watchdog_ops ltq_wdt_ops = {
.owner = THIS_MODULE,
.start = ltq_wdt_start,
.stop = ltq_wdt_stop,
.ping = ltq_wdt_ping,
+ .get_timeleft = ltq_wdt_get_timeleft,
};
typedef int (*ltq_wdt_bootstatus_get)(struct platform_device *pdev);
--
2.11.0
--
To unsubscribe from this list: send the line "unsubscribe linux-watchdog" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
