26 /* Max heartbeat is calculated at 32kHz source clock */
62 static int heartbeat = DEFAULT_HEARTBEAT;  variable
132 		/* 50% open window => 50% min heartbeat */  in rti_wdt_setup_hw_hb()
133 		wdd->min_hw_heartbeat_ms = 500 * heartbeat;  in rti_wdt_setup_hw_hb()
137 		/* 25% open window => 75% min heartbeat */  in rti_wdt_setup_hw_hb()
138 		wdd->min_hw_heartbeat_ms = 750 * heartbeat;  in rti_wdt_setup_hw_hb()
142 		/* 12.5% open window => 87.5% min heartbeat */  in rti_wdt_setup_hw_hb()
143 		wdd->min_hw_heartbeat_ms = 875 * heartbeat;  in rti_wdt_setup_hw_hb()
147 		/* 6.5% open window => 93.5% min heartbeat */  in rti_wdt_setup_hw_hb()
148 		wdd->min_hw_heartbeat_ms = 935 * heartbeat;  in rti_wdt_setup_hw_hb()
152 		/* 3.125% open window => 96.9% min heartbeat */  in rti_wdt_setup_hw_hb()
153 		wdd->min_hw_heartbeat_ms = 969 * heartbeat;  in rti_wdt_setup_hw_hb()
280 		if (preset_heartbeat != heartbeat)  in rti_wdt_probe()
281 			dev_warn(dev, "watchdog already running, ignoring heartbeat config!\n");  in rti_wdt_probe()
283 		heartbeat = preset_heartbeat;  in rti_wdt_probe()
294 			dev_warn(dev, "time_left > heartbeat? Assuming last ping just before now.\n");  in rti_wdt_probe()
335 	watchdog_init_timeout(wdd, heartbeat, dev);  in rti_wdt_probe()
384 module_param(heartbeat, int, 0);
385 MODULE_PARM_DESC(heartbeat,
386 		 "Watchdog heartbeat period in seconds from 1 to "