diff options
Diffstat (limited to 'drivers/tty/mxser.c')
| -rw-r--r-- | drivers/tty/mxser.c | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index ebe657426636..9e241f8bd814 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -50,7 +50,6 @@ */ #define MOXA 0x400 -#define MOXA_GETDATACOUNT (MOXA + 23) #define MOXA_HighSpeedOn (MOXA + 61) #define MOXA_GETMSTATUS (MOXA + 65) #define MOXA_SET_OP_MODE (MOXA + 66) @@ -268,12 +267,6 @@ MODULE_DESCRIPTION("MOXA Smartio/Industio Family Multiport Board Device Driver") module_param(ttymajor, int, 0); MODULE_LICENSE("GPL"); -struct mxser_log { - int tick; - unsigned long rxcnt[MXSER_PORTS]; - unsigned long txcnt[MXSER_PORTS]; -}; - struct mxser_board; struct mxser_port { @@ -335,7 +328,6 @@ struct mxser_mstatus { static struct mxser_board mxser_boards[MXSER_BOARDS]; static struct tty_driver *mxvar_sdriver; -static struct mxser_log mxvar_log; static void mxser_enable_must_enchance_mode(unsigned long baseio) { @@ -1431,15 +1423,8 @@ static int mxser_ioctl_special(unsigned int cmd, void __user *argp) struct tty_struct *tty; int status; unsigned int i, j; - int ret = 0; switch (cmd) { - case MOXA_GETDATACOUNT: - /* The receive side is locked by port->slock but it isn't - clear that an exact snapshot is worth copying here */ - if (copy_to_user(argp, &mxvar_log, sizeof(mxvar_log))) - ret = -EFAULT; - return ret; case MOXA_GETMSTATUS: { struct mxser_mstatus ms, __user *msu = argp; for (i = 0; i < MXSER_BOARDS; i++) @@ -1934,8 +1919,6 @@ static u8 mxser_receive_chars(struct tty_struct *tty, if (!mxser_receive_chars_new(tty, port, status, &cnt)) status = mxser_receive_chars_old(tty, port, status, &cnt); - mxvar_log.rxcnt[tty->index] += cnt; - tty_flip_buffer_push(&port->port); return status; @@ -1948,7 +1931,6 @@ static void mxser_transmit_chars(struct tty_struct *tty, struct mxser_port *port if (port->x_char) { outb(port->x_char, port->ioaddr + UART_TX); port->x_char = 0; - mxvar_log.txcnt[tty->index]++; port->icount.tx++; return; } @@ -1974,7 +1956,6 @@ static void mxser_transmit_chars(struct tty_struct *tty, struct mxser_port *port if (--port->xmit_cnt <= 0) break; } while (--count > 0); - mxvar_log.txcnt[tty->index] += (cnt - port->xmit_cnt); port->icount.tx += (cnt - port->xmit_cnt); |