Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

[pandora-kernel.git] / drivers / serial / 68360serial.c

diff --git a/drivers/serial/68360serial.c b/drivers/serial/68360serial.c
index f594636..24661cd 100644 (file)
--- a/drivers/serial/68360serial.c
+++ b/drivers/serial/68360serial.c
@@ -393,7 +393,7 @@ static void rs_360_start(struct tty_struct *tty)
 
 static _INLINE_ void receive_chars(ser_info_t *info)
 {
-       struct tty_struct *tty = info->tty;
+       struct tty_struct *tty = info->port.tty;
        unsigned char ch, flag, *cp;
        /*int   ignored = 0;*/
        int     i;
@@ -514,7 +514,7 @@ static _INLINE_ void receive_chars(ser_info_t *info)
 
 static _INLINE_ void receive_break(ser_info_t *info)
 {
-       struct tty_struct *tty = info->tty;
+       struct tty_struct *tty = info->port.tty;
 
        info->state->icount.brk++;
        /* Check to see if there is room in the tty buffer for
@@ -528,7 +528,7 @@ static _INLINE_ void transmit_chars(ser_info_t *info)
 {
 
        if ((info->flags & TX_WAKEUP) ||
-           (info->tty->flags & (1 << TTY_DO_WRITE_WAKEUP))) {
+           (info->port.tty->flags & (1 << TTY_DO_WRITE_WAKEUP))) {
                schedule_work(&info->tqueue);
        }
 
@@ -584,12 +584,12 @@ static _INLINE_ void check_modem_status(struct async_struct *info)
                }
        }
        if (info->flags & ASYNC_CTS_FLOW) {
-               if (info->tty->hw_stopped) {
+               if (info->port.tty->hw_stopped) {
                        if (status & UART_MSR_CTS) {
 #if (defined(SERIAL_DEBUG_INTR) || defined(SERIAL_DEBUG_FLOW))
                                printk("CTS tx start...");
 #endif
-                               info->tty->hw_stopped = 0;
+                               info->port.tty->hw_stopped = 0;
                                info->IER |= UART_IER_THRI;
                                serial_out(info, UART_IER, info->IER);
                                rs_sched_event(info, RS_EVENT_WRITE_WAKEUP);
@@ -600,7 +600,7 @@ static _INLINE_ void check_modem_status(struct async_struct *info)
 #if (defined(SERIAL_DEBUG_INTR) || defined(SERIAL_DEBUG_FLOW))
                                printk("CTS tx stop...");
 #endif
-                               info->tty->hw_stopped = 1;
+                               info->port.tty->hw_stopped = 1;
                                info->IER &= ~UART_IER_THRI;
                                serial_out(info, UART_IER, info->IER);
                        }
@@ -670,7 +670,7 @@ static void do_softint(void *private_)
        ser_info_t      *info = (ser_info_t *) private_;
        struct tty_struct       *tty;
        
-       tty = info->tty;
+       tty = info->port.tty;
        if (!tty)
                return;
 
@@ -693,7 +693,7 @@ static void do_serial_hangup(void *private_)
        struct async_struct     *info = (struct async_struct *) private_;
        struct tty_struct       *tty;
        
-       tty = info->tty;
+       tty = info->port.tty;
        if (!tty)
                return;
 
@@ -721,8 +721,8 @@ static int startup(ser_info_t *info)
 
 #ifdef maybe
        if (!state->port || !state->type) {
-               if (info->tty)
-                       set_bit(TTY_IO_ERROR, &info->tty->flags);
+               if (info->port.tty)
+                       set_bit(TTY_IO_ERROR, &info->port.tty->flags);
                goto errout;
        }
 #endif
@@ -734,12 +734,12 @@ static int startup(ser_info_t *info)
 
 #ifdef modem_control
        info->MCR = 0;
-       if (info->tty->termios->c_cflag & CBAUD)
+       if (info->port.tty->termios->c_cflag & CBAUD)
                info->MCR = UART_MCR_DTR | UART_MCR_RTS;
 #endif
        
-       if (info->tty)
-               clear_bit(TTY_IO_ERROR, &info->tty->flags);
+       if (info->port.tty)
+               clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
 
        /*
         * and set the speed of the serial port
@@ -842,8 +842,8 @@ static void shutdown(ser_info_t *info)
                        smcp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
        }
        
-       if (info->tty)
-               set_bit(TTY_IO_ERROR, &info->tty->flags);
+       if (info->port.tty)
+               set_bit(TTY_IO_ERROR, &info->port.tty->flags);
 
        info->flags &= ~ASYNC_INITIALIZED;
        local_irq_restore(flags);
@@ -863,9 +863,9 @@ static void change_speed(ser_info_t *info)
        volatile struct smc_regs        *smcp;
        volatile struct scc_regs        *sccp;
 
-       if (!info->tty || !info->tty->termios)
+       if (!info->port.tty || !info->port.tty->termios)
                return;
-       cflag = info->tty->termios->c_cflag;
+       cflag = info->port.tty->termios->c_cflag;
 
        state = info->state;
 
@@ -936,24 +936,24 @@ static void change_speed(ser_info_t *info)
         * Set up parity check flag
         */
        info->read_status_mask = (BD_SC_EMPTY | BD_SC_OV);
-       if (I_INPCK(info->tty))
+       if (I_INPCK(info->port.tty))
                info->read_status_mask |= BD_SC_FR | BD_SC_PR;
-       if (I_BRKINT(info->tty) || I_PARMRK(info->tty))
+       if (I_BRKINT(info->port.tty) || I_PARMRK(info->port.tty))
                info->read_status_mask |= BD_SC_BR;
        
        /*
         * Characters to ignore
         */
        info->ignore_status_mask = 0;
-       if (I_IGNPAR(info->tty))
+       if (I_IGNPAR(info->port.tty))
                info->ignore_status_mask |= BD_SC_PR | BD_SC_FR;
-       if (I_IGNBRK(info->tty)) {
+       if (I_IGNBRK(info->port.tty)) {
                info->ignore_status_mask |= BD_SC_BR;
                /*
                 * If we're ignore parity and break indicators, ignore 
                 * overruns too.  (For real raw support).
                 */
-               if (I_IGNPAR(info->tty))
+               if (I_IGNPAR(info->port.tty))
                        info->ignore_status_mask |= BD_SC_OV;
        }
        /*
@@ -995,10 +995,10 @@ static void rs_360_put_char(struct tty_struct *tty, unsigned char ch)
        volatile QUICC_BD       *bdp;
 
        if (serial_paranoia_check(info, tty->name, "rs_put_char"))
-               return;
+               return 0;
 
        if (!tty)
-               return;
+               return 0;
 
        bdp = info->tx_cur;
        while (bdp->status & BD_SC_READY);
@@ -1016,6 +1016,7 @@ static void rs_360_put_char(struct tty_struct *tty, unsigned char ch)
                bdp++;
 
        info->tx_cur = (QUICC_BD *)bdp;
+       return 1;
 
 }
 
@@ -1246,7 +1247,7 @@ static int rs_360_tiocmget(struct tty_struct *tty, struct file *file)
 #ifdef modem_control
        unsigned char control, status;
 
-       if (serial_paranoia_check(info, tty->name, __FUNCTION__))
+       if (serial_paranoia_check(info, tty->name, __func__))
                return -ENODEV;
 
        if (tty->flags & (1 << TTY_IO_ERROR))
@@ -1277,12 +1278,12 @@ static int rs_360_tiocmset(struct tty_struct *tty, struct file *file,
        ser_info_t *info = (ser_info_t *)tty->driver_data;
        unsigned int arg;
 
-       if (serial_paranoia_check(info, tty->name, __FUNCTION__))
+       if (serial_paranoia_check(info, tty->name, __func__))
                return -ENODEV;
 
        if (tty->flags & (1 << TTY_IO_ERROR))
                return -EIO;
-
+       /* FIXME: locking on info->mcr */
        if (set & TIOCM_RTS)
                info->mcr |= UART_MCR_RTS;
        if (set & TIOCM_DTR)
@@ -1436,18 +1437,6 @@ static int rs_360_ioctl(struct tty_struct *tty, struct file * file,
                                return retval;
                        end_break(info);
                        return 0;
-               case TIOCGSOFTCAR:
-                       /* return put_user(C_CLOCAL(tty) ? 1 : 0, (int *) arg); */
-                       put_user(C_CLOCAL(tty) ? 1 : 0, (int *) arg);
-                       return 0;
-               case TIOCSSOFTCAR:
-                       error = get_user(arg, (unsigned int *) arg); 
-                       if (error)
-                               return error;
-                       tty->termios->c_cflag =
-                               ((tty->termios->c_cflag & ~CLOCAL) |
-                                (arg ? CLOCAL : 0));
-                       return 0;
 #ifdef maybe
                case TIOCSERGETLSR: /* Get line status register */
                        return get_lsr_info(info, (unsigned int *) arg);
@@ -1665,12 +1654,11 @@ static void rs_360_close(struct tty_struct *tty, struct file * filp)
                rs_360_wait_until_sent(tty, info->timeout);
        }
        shutdown(info);
-       if (tty->driver->flush_buffer)
-               tty->driver->flush_buffer(tty);
+       rs_360_flush_buffer(tty);
        tty_ldisc_flush(tty);           
        tty->closing = 0;
        info->event = 0;
-       info->tty = 0;
+       info->port.tty = NULL;
        if (info->blocked_open) {
                if (info->close_delay) {
                        msleep_interruptible(jiffies_to_msecs(info->close_delay));
@@ -1717,6 +1705,7 @@ static void rs_360_wait_until_sent(struct tty_struct *tty, int timeout)
        printk("jiff=%lu...", jiffies);
 #endif
 
+       lock_kernel();
        /* We go through the loop at least once because we can't tell
         * exactly when the last character exits the shifter.  There can
         * be at least two characters waiting to be sent after the buffers
@@ -1745,6 +1734,7 @@ static void rs_360_wait_until_sent(struct tty_struct *tty, int timeout)
                        bdp--;
        } while (bdp->status & BD_SC_READY);
        current->state = TASK_RUNNING;
+       unlock_kernel();
 #ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
        printk("lsr = %d (jiff=%lu)...done\n", lsr, jiffies);
 #endif
@@ -1768,7 +1758,7 @@ static void rs_360_hangup(struct tty_struct *tty)
        info->event = 0;
        state->count = 0;
        info->flags &= ~ASYNC_NORMAL_ACTIVE;
-       info->tty = 0;
+       info->port.tty = NULL;
        wake_up_interruptible(&info->open_wait);
 }
 
@@ -1929,7 +1919,7 @@ static int rs_360_open(struct tty_struct *tty, struct file * filp)
        printk("rs_open %s, count = %d\n", tty->name, info->state->count);
 #endif
        tty->driver_data = info;
-       info->tty = tty;
+       info->port.tty = tty;
 
        /*
         * Start up serial port
@@ -1986,7 +1976,7 @@ static inline int line_info(char *buf, struct serial_state *state)
                info->port = state->port;
                info->flags = state->flags;
                info->quot = 0;
-               info->tty = 0;
+               info->port.tty = NULL;
        }
        local_irq_disable();
        status = serial_in(info, UART_MSR);