56 } pikawdt_private;  variable
80 	unsigned reset = in_be32(pikawdt_private.fpga + 0x14);  in pikawdt_reset()
83 	out_be32(pikawdt_private.fpga + 0x14, reset);  in pikawdt_reset()
91 	if (time_before(jiffies, pikawdt_private.next_heartbeat) ||  in pikawdt_ping()
92 			(!nowayout && !pikawdt_private.open)) {  in pikawdt_ping()
94 		mod_timer(&pikawdt_private.timer, jiffies + WDT_TIMEOUT);  in pikawdt_ping()
102 	pikawdt_private.next_heartbeat = jiffies + heartbeat * HZ;  in pikawdt_keepalive()
108 	mod_timer(&pikawdt_private.timer, jiffies + WDT_TIMEOUT);  in pikawdt_start()
117 	if (test_and_set_bit(0, &pikawdt_private.open))  in pikawdt_open()
131 	if (!pikawdt_private.expect_close)  in pikawdt_release()
132 		del_timer(&pikawdt_private.timer);  in pikawdt_release()
134 	clear_bit(0, &pikawdt_private.open);  in pikawdt_release()
135 	pikawdt_private.expect_close = 0;  in pikawdt_release()
152 		pikawdt_private.expect_close = 0;  in pikawdt_write()
159 				pikawdt_private.expect_close = 42;  in pikawdt_write()
188 		return put_user(pikawdt_private.bootstatus, p);  in pikawdt_ioctl()
239 	pikawdt_private.fpga = of_iomap(np, 0);  in pikawdt_init()
241 	if (pikawdt_private.fpga == NULL) {  in pikawdt_init()
246 	ident.firmware_version = in_be32(pikawdt_private.fpga + 0x1c) & 0xffff;  in pikawdt_init()
270 		pikawdt_private.bootstatus = WDIOF_CARDRESET;  in pikawdt_init()
274 	timer_setup(&pikawdt_private.timer, pikawdt_ping, 0);  in pikawdt_init()
287 	iounmap(pikawdt_private.fpga);  in pikawdt_init()
295 	iounmap(pikawdt_private.fpga);  in pikawdt_exit()