MOS7840_FLAG_LED_BUSY 572 drivers/usb/serial/mos7840.c clear_bit_unlock(MOS7840_FLAG_LED_BUSY, &mcs->flags); MOS7840_FLAG_LED_BUSY 579 drivers/usb/serial/mos7840.c if (test_and_set_bit_lock(MOS7840_FLAG_LED_BUSY, &mos7840_port->flags))