cypress_chars_in_buffer 130 drivers/usb/serial/cypress_m8.c static int cypress_chars_in_buffer(struct tty_struct *tty); cypress_chars_in_buffer 157 drivers/usb/serial/cypress_m8.c .chars_in_buffer = cypress_chars_in_buffer, cypress_chars_in_buffer 183 drivers/usb/serial/cypress_m8.c .chars_in_buffer = cypress_chars_in_buffer, cypress_chars_in_buffer 209 drivers/usb/serial/cypress_m8.c .chars_in_buffer = cypress_chars_in_buffer,