Symbol: USB_SERIAL_WRITE_BUSY
drivers/usb/serial/generic.c
160
if (test_and_set_bit_lock(USB_SERIAL_WRITE_BUSY, &port->flags))
drivers/usb/serial/generic.c
165
clear_bit_unlock(USB_SERIAL_WRITE_BUSY, &port->flags);
drivers/usb/serial/generic.c
193
clear_bit_unlock(USB_SERIAL_WRITE_BUSY, &port->flags);