[PATCH v2] watchdog: sbsa_wdog: Make sure the timeout programming is within the limits

[George Cherian]

Make sure to honour the max_hw_heartbeat_ms while programming the timeout
value to WOR. Clamp the timeout passed to sbsa_gwdt_set_timeout() to
make sure the programmed value is within the permissible range.

Fixes: abd3ac7902fb ("watchdog: sbsa: Support architecture version 1")

Signed-off-by: George Cherian <george.cherian@xxxxxxxxxxx>
---
 drivers/watchdog/sbsa_gwdt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/watchdog/sbsa_gwdt.c b/drivers/watchdog/sbsa_gwdt.c
index 9791c74aebd4..ee1039a652f1 100644
--- a/drivers/watchdog/sbsa_gwdt.c
+++ b/drivers/watchdog/sbsa_gwdt.c
@@ -149,6 +149,7 @@ static int sbsa_gwdt_set_timeout(struct watchdog_device *wdd,
 {
 	struct sbsa_gwdt *gwdt = watchdog_get_drvdata(wdd);
 
+	timeout = clamp_t(unsigned int, timeout, 1, wdd->max_hw_heartbeat_ms / 1000);
 	wdd->timeout = timeout;
 
 	if (action)
-- 
2.34.1