441 	struct ziirave_wdt_data *w_priv = i2c_get_clientdata(client);  in ziirave_wdt_sysfs_show_firm()  local
444 	ret = mutex_lock_interruptible(&w_priv->sysfs_mutex);  in ziirave_wdt_sysfs_show_firm()
449 			 w_priv->firmware_rev.major,  in ziirave_wdt_sysfs_show_firm()
450 			 w_priv->firmware_rev.minor);  in ziirave_wdt_sysfs_show_firm()
452 	mutex_unlock(&w_priv->sysfs_mutex);  in ziirave_wdt_sysfs_show_firm()
465 	struct ziirave_wdt_data *w_priv = i2c_get_clientdata(client);  in ziirave_wdt_sysfs_show_boot()  local
468 	ret = mutex_lock_interruptible(&w_priv->sysfs_mutex);  in ziirave_wdt_sysfs_show_boot()
473 			 w_priv->bootloader_rev.major,  in ziirave_wdt_sysfs_show_boot()
474 			 w_priv->bootloader_rev.minor);  in ziirave_wdt_sysfs_show_boot()
476 	mutex_unlock(&w_priv->sysfs_mutex);  in ziirave_wdt_sysfs_show_boot()
489 	struct ziirave_wdt_data *w_priv = i2c_get_clientdata(client);  in ziirave_wdt_sysfs_show_reason()  local
492 	ret = mutex_lock_interruptible(&w_priv->sysfs_mutex);  in ziirave_wdt_sysfs_show_reason()
496 	ret = sysfs_emit(buf, "%s\n", ziirave_reasons[w_priv->reset_reason]);  in ziirave_wdt_sysfs_show_reason()
498 	mutex_unlock(&w_priv->sysfs_mutex);  in ziirave_wdt_sysfs_show_reason()
511 	struct ziirave_wdt_data *w_priv = i2c_get_clientdata(client);  in ziirave_wdt_sysfs_store_firm()  local
521 	err = mutex_lock_interruptible(&w_priv->sysfs_mutex);  in ziirave_wdt_sysfs_store_firm()
525 	err = ziirave_firm_upload(&w_priv->wdd, fw);  in ziirave_wdt_sysfs_store_firm()
532 	err = ziirave_wdt_revision(client, &w_priv->firmware_rev,  in ziirave_wdt_sysfs_store_firm()
542 		 w_priv->firmware_rev.major, w_priv->firmware_rev.minor);  in ziirave_wdt_sysfs_store_firm()
545 	err = ziirave_wdt_set_timeout(&w_priv->wdd, w_priv->wdd.timeout);  in ziirave_wdt_sysfs_store_firm()
550 	mutex_unlock(&w_priv->sysfs_mutex);  in ziirave_wdt_sysfs_store_firm()
602 	struct ziirave_wdt_data *w_priv;  in ziirave_wdt_probe()  local
611 	w_priv = devm_kzalloc(&client->dev, sizeof(*w_priv), GFP_KERNEL);  in ziirave_wdt_probe()
612 	if (!w_priv)  in ziirave_wdt_probe()
615 	mutex_init(&w_priv->sysfs_mutex);  in ziirave_wdt_probe()
617 	w_priv->wdd.info = &ziirave_wdt_info;  in ziirave_wdt_probe()
618 	w_priv->wdd.ops = &ziirave_wdt_ops;  in ziirave_wdt_probe()
619 	w_priv->wdd.min_timeout = ZIIRAVE_TIMEOUT_MIN;  in ziirave_wdt_probe()
620 	w_priv->wdd.max_timeout = ZIIRAVE_TIMEOUT_MAX;  in ziirave_wdt_probe()
621 	w_priv->wdd.parent = &client->dev;  in ziirave_wdt_probe()
622 	w_priv->wdd.groups = ziirave_wdt_groups;  in ziirave_wdt_probe()
624 	watchdog_init_timeout(&w_priv->wdd, wdt_timeout, &client->dev);  in ziirave_wdt_probe()
631 	if (w_priv->wdd.timeout == 0) {  in ziirave_wdt_probe()
642 		w_priv->wdd.timeout = val;  in ziirave_wdt_probe()
645 	ret = ziirave_wdt_set_timeout(&w_priv->wdd, w_priv->wdd.timeout);  in ziirave_wdt_probe()
651 	dev_info(&client->dev, "Timeout set to %ds\n", w_priv->wdd.timeout);  in ziirave_wdt_probe()
653 	watchdog_set_nowayout(&w_priv->wdd, nowayout);  in ziirave_wdt_probe()
655 	i2c_set_clientdata(client, w_priv);  in ziirave_wdt_probe()
665 		ziirave_wdt_stop(&w_priv->wdd);  in ziirave_wdt_probe()
673 	ret = ziirave_wdt_revision(client, &w_priv->firmware_rev,  in ziirave_wdt_probe()
682 		 w_priv->firmware_rev.major, w_priv->firmware_rev.minor);  in ziirave_wdt_probe()
684 	ret = ziirave_wdt_revision(client, &w_priv->bootloader_rev,  in ziirave_wdt_probe()
693 		 w_priv->bootloader_rev.major, w_priv->bootloader_rev.minor);  in ziirave_wdt_probe()
695 	w_priv->reset_reason = i2c_smbus_read_byte_data(client,  in ziirave_wdt_probe()
697 	if (w_priv->reset_reason < 0) {  in ziirave_wdt_probe()
699 		return w_priv->reset_reason;  in ziirave_wdt_probe()
702 	if (w_priv->reset_reason >= ARRAY_SIZE(ziirave_reasons) ||  in ziirave_wdt_probe()
703 	    !ziirave_reasons[w_priv->reset_reason]) {  in ziirave_wdt_probe()
708 	ret = watchdog_register_device(&w_priv->wdd);  in ziirave_wdt_probe()
715 	struct ziirave_wdt_data *w_priv = i2c_get_clientdata(client);  in ziirave_wdt_remove()  local
717 	watchdog_unregister_device(&w_priv->wdd);  in ziirave_wdt_remove()