drivers/watchdog/advantech_ec_wdt.c

1 // SPDX-License-Identifier: GPL-2.0-only
3  *	Advantech Embedded Controller Watchdog Driver
17 #include <linux/watchdog.h>
25 /* EC minimum IO access delay in ms */
47 static unsigned int timeout;  variable
50 module_param(timeout, uint, 0);
51 MODULE_PARM_DESC(timeout,
52 …"Default Watchdog timer setting (" __MODULE_STRING(DEFAULT_TIME) "s). The range is from " __MODULE…
62 		time_delta = EC_MIN_DELAY - time_delta;  in adv_ec_wdt_timing_gate()
90 	/* scale time to EC 100 ms base */  in adv_ec_wdt_set_timeout()
111 	wdd->timeout = t;  in adv_ec_wdt_set_timeout()
117 	adv_ec_wdt_set_timeout(wdd, wdd->timeout);  in adv_ec_wdt_start()
150 	.timeout =	DEFAULT_TIME,
156 		dev_err(dev, "Unable to lock port addresses (0x%X-0x%X)\n",  in adv_ec_wdt_probe()
158 		return -EBUSY;  in adv_ec_wdt_probe()
161 	watchdog_init_timeout(&adv_ec_wdt_dev, timeout, dev);  in adv_ec_wdt_probe()
181 		return -EBUSY;  in adv_ec_wdt_init()
188 		return -ENODEV;  in adv_ec_wdt_init()
202 MODULE_DESCRIPTION("Advantech Embedded Controller Watchdog Device Driver");