19  * In the single stage mode, when the timeout is reached, your system
21  * In the two stages mode, when the timeout is reached, the first signal (WS0)
31  * |----timeout-----(panic)----timeout-----reset
35  * |--------------timeout-------------------reset
38  * by WOR, in the single stage mode, the timeout is (WOR * 2); in the two
39  * stages mode, the timeout is WOR. The maximum timeout in the two stages mode
92 static unsigned int timeout;  variable
93 module_param(timeout, uint, 0);
94 MODULE_PARM_DESC(timeout,
95 		 "Watchdog timeout in seconds. (>=0, default="
119 				 unsigned int timeout)  in sbsa_gwdt_set_timeout()  argument
123 	wdd->timeout = timeout;  in sbsa_gwdt_set_timeout()
126 		writel(gwdt->clk * timeout,  in sbsa_gwdt_set_timeout()
131 		 * the timeout is (WOR * 2), so the WOR should be configured  in sbsa_gwdt_set_timeout()
132 		 * to half value of timeout.  in sbsa_gwdt_set_timeout()
134 		writel(gwdt->clk / 2 * timeout,  in sbsa_gwdt_set_timeout()
197 	panic(WATCHDOG_NAME " timeout");  in sbsa_gwdt_interrupt()
256 	wdd->timeout = DEFAULT_TIMEOUT;  in sbsa_gwdt_probe()
291 	 * the timeout is (WOR * 2), so the maximum timeout should be doubled.  in sbsa_gwdt_probe()
296 	watchdog_init_timeout(wdd, timeout, dev);  in sbsa_gwdt_probe()
298 	 * Update timeout to WOR.  in sbsa_gwdt_probe()
302 	sbsa_gwdt_set_timeout(wdd, wdd->timeout);  in sbsa_gwdt_probe()
309 	dev_info(dev, "Initialized with %ds timeout @ %u Hz, action=%d.%s\n",  in sbsa_gwdt_probe()
310 		 wdd->timeout, gwdt->clk, action,  in sbsa_gwdt_probe()