* tty device. It is solely the responsibility of the line
* discipline to handle poll requests.
*
- * void (*receive_buf)(struct tty_struct *, const unsigned char *cp,
+ * unsigned int (*receive_buf)(struct tty_struct *, const unsigned char *cp,
* char *fp, int count);
*
* This function is called by the low-level tty driver to send
* processing. <cp> is a pointer to the buffer of input
* character received by the device. <fp> is a pointer to a
* pointer of flag bytes which indicate whether a character was
- * received with a parity error, etc.
+ * received with a parity error, etc. Returns the amount of bytes
+ * received.
*
* void (*write_wakeup)(struct tty_struct *);
*
/*
* The following routines are called from below.
*/
- void (*receive_buf)(struct tty_struct *, const unsigned char *cp,
- char *fp, int count);
+ unsigned int (*receive_buf)(struct tty_struct *,
+ const unsigned char *cp, char *fp, int count);
void (*write_wakeup)(struct tty_struct *);
void (*dcd_change)(struct tty_struct *, unsigned int,
struct pps_event_time *);