lcr_mutex 159 drivers/usb/serial/f81534.c struct mutex lcr_mutex; lcr_mutex 620 drivers/usb/serial/f81534.c mutex_lock(&port_priv->lcr_mutex); lcr_mutex 654 drivers/usb/serial/f81534.c mutex_unlock(&port_priv->lcr_mutex); lcr_mutex 665 drivers/usb/serial/f81534.c mutex_lock(&port_priv->lcr_mutex); lcr_mutex 677 drivers/usb/serial/f81534.c mutex_unlock(&port_priv->lcr_mutex); lcr_mutex 1389 drivers/usb/serial/f81534.c mutex_init(&port_priv->lcr_mutex);