usb_wwan_chars_in_buffer 2053 drivers/usb/serial/option.c 	.chars_in_buffer   = usb_wwan_chars_in_buffer,
usb_wwan_chars_in_buffer  463 drivers/usb/serial/qcserial.c 	.chars_in_buffer     = usb_wwan_chars_in_buffer,
usb_wwan_chars_in_buffer   24 drivers/usb/serial/usb-wwan.h extern int usb_wwan_chars_in_buffer(struct tty_struct *tty);
usb_wwan_chars_in_buffer  367 drivers/usb/serial/usb_wwan.c EXPORT_SYMBOL(usb_wwan_chars_in_buffer);