Commit 946af15b authored by George Cherian's avatar George Cherian Committed by Wim Van Sebroeck
Browse files

drivers: watchdog: marvell_gti: Program the max_hw_heartbeat_ms 



Program the max_hw_heartbeat_ms value so that the watchdog_pretimeout
worker is activated. This kernel worker thread makes sure to ping the
watchdog in case the userspace is unable to do so. This kernel worker
ping will be done only till the full watchdog timeout there by
maintaining the watchdog functionality in case of a real hang.

Signed-off-by: default avatarGeorge Cherian <george.cherian@marvell.com>
Signed-off-by: default avatarBharat Bhushan <bbhushan2@marvell.com>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20231009044037.514570-2-bbhushan2@marvell.com


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarWim Van Sebroeck <wim@linux-watchdog.org>
parent cc5cfc11

drivers/watchdog/marvell_gti_wdt.c

+1 −0
Original line number Diff line number Diff line
@@ -299,6 +299,7 @@ static int gti_wdt_probe(struct platform_device *pdev) 


	/* Maximum timeout is 3 times the pretimeout */

	wdog_dev->max_timeout = max_pretimeout * 3;

	wdog_dev->max_hw_heartbeat_ms = max_pretimeout * 1000;

	/* Minimum first timeout (pretimeout) is 1, so min_timeout as 3 */

	wdog_dev->min_timeout = 3;

	wdog_dev->timeout = wdog_dev->pretimeout;