26 /* Max heartbeat is calculated at 32kHz source clock */
64 static int heartbeat = DEFAULT_HEARTBEAT;  variable
141 		/* 50% open window => 52% min heartbeat */  in rti_wdt_setup_hw_hb()
142 		wdd->min_hw_heartbeat_ms = 520 * heartbeat + MAX_HW_ERROR;  in rti_wdt_setup_hw_hb()
146 		/* 25% open window => 77% min heartbeat */  in rti_wdt_setup_hw_hb()
147 		wdd->min_hw_heartbeat_ms = 770 * heartbeat + MAX_HW_ERROR;  in rti_wdt_setup_hw_hb()
151 		/* 12.5% open window => 89.5% min heartbeat */  in rti_wdt_setup_hw_hb()
152 		wdd->min_hw_heartbeat_ms = 895 * heartbeat + MAX_HW_ERROR;  in rti_wdt_setup_hw_hb()
156 		/* 6.5% open window => 95.5% min heartbeat */  in rti_wdt_setup_hw_hb()
157 		wdd->min_hw_heartbeat_ms = 955 * heartbeat + MAX_HW_ERROR;  in rti_wdt_setup_hw_hb()
161 		/* 3.125% open window => 98.9% min heartbeat */  in rti_wdt_setup_hw_hb()
162 		wdd->min_hw_heartbeat_ms = 989 * heartbeat + MAX_HW_ERROR;  in rti_wdt_setup_hw_hb()
281 		if (preset_heartbeat != heartbeat)  in rti_wdt_probe()
282 			dev_warn(dev, "watchdog already running, ignoring heartbeat config!\n");  in rti_wdt_probe()
284 		heartbeat = preset_heartbeat;  in rti_wdt_probe()
295 			dev_warn(dev, "time_left > heartbeat? Assuming last ping just before now.\n");  in rti_wdt_probe()
336 	watchdog_init_timeout(wdd, heartbeat, dev);  in rti_wdt_probe()
391 module_param(heartbeat, int, 0);
392 MODULE_PARM_DESC(heartbeat,
393 		 "Watchdog heartbeat period in seconds from 1 to "