69 } mtx1_wdt_device;  variable
73 	spin_lock(&mtx1_wdt_device.lock);  in mtx1_wdt_trigger()
74 	if (mtx1_wdt_device.running)  in mtx1_wdt_trigger()
78 	mtx1_wdt_device.gstate = !mtx1_wdt_device.gstate;  in mtx1_wdt_trigger()
79 	gpio_set_value(mtx1_wdt_device.gpio, mtx1_wdt_device.gstate);  in mtx1_wdt_trigger()
81 	if (mtx1_wdt_device.queue && ticks)  in mtx1_wdt_trigger()
82 		mod_timer(&mtx1_wdt_device.timer, jiffies + MTX1_WDT_INTERVAL);  in mtx1_wdt_trigger()
84 		complete(&mtx1_wdt_device.stop);  in mtx1_wdt_trigger()
85 	spin_unlock(&mtx1_wdt_device.lock);  in mtx1_wdt_trigger()
90 	ticks = mtx1_wdt_device.default_ticks;  in mtx1_wdt_reset()
98 	spin_lock_irqsave(&mtx1_wdt_device.lock, flags);  in mtx1_wdt_start()
99 	if (!mtx1_wdt_device.queue) {  in mtx1_wdt_start()
100 		mtx1_wdt_device.queue = 1;  in mtx1_wdt_start()
101 		mtx1_wdt_device.gstate = 1;  in mtx1_wdt_start()
102 		gpio_set_value(mtx1_wdt_device.gpio, 1);  in mtx1_wdt_start()
103 		mod_timer(&mtx1_wdt_device.timer, jiffies + MTX1_WDT_INTERVAL);  in mtx1_wdt_start()
105 	mtx1_wdt_device.running++;  in mtx1_wdt_start()
106 	spin_unlock_irqrestore(&mtx1_wdt_device.lock, flags);  in mtx1_wdt_start()
113 	spin_lock_irqsave(&mtx1_wdt_device.lock, flags);  in mtx1_wdt_stop()
114 	if (mtx1_wdt_device.queue) {  in mtx1_wdt_stop()
115 		mtx1_wdt_device.queue = 0;  in mtx1_wdt_stop()
116 		mtx1_wdt_device.gstate = 0;  in mtx1_wdt_stop()
117 		gpio_set_value(mtx1_wdt_device.gpio, 0);  in mtx1_wdt_stop()
119 	ticks = mtx1_wdt_device.default_ticks;  in mtx1_wdt_stop()
120 	spin_unlock_irqrestore(&mtx1_wdt_device.lock, flags);  in mtx1_wdt_stop()
128 	if (test_and_set_bit(0, &mtx1_wdt_device.inuse))  in mtx1_wdt_open()
136 	clear_bit(0, &mtx1_wdt_device.inuse);  in mtx1_wdt_release()
210 	mtx1_wdt_device.gpio = pdev->resource[0].start;  in mtx1_wdt_probe()
211 	ret = devm_gpio_request_one(&pdev->dev, mtx1_wdt_device.gpio,  in mtx1_wdt_probe()
218 	spin_lock_init(&mtx1_wdt_device.lock);  in mtx1_wdt_probe()
219 	init_completion(&mtx1_wdt_device.stop);  in mtx1_wdt_probe()
220 	mtx1_wdt_device.queue = 0;  in mtx1_wdt_probe()
221 	clear_bit(0, &mtx1_wdt_device.inuse);  in mtx1_wdt_probe()
222 	setup_timer(&mtx1_wdt_device.timer, mtx1_wdt_trigger, 0L);  in mtx1_wdt_probe()
223 	mtx1_wdt_device.default_ticks = ticks;  in mtx1_wdt_probe()
238 	if (mtx1_wdt_device.queue) {  in mtx1_wdt_remove()
239 		mtx1_wdt_device.queue = 0;  in mtx1_wdt_remove()
240 		wait_for_completion(&mtx1_wdt_device.stop);  in mtx1_wdt_remove()