From b02f5ad6a3ff5a1ee2a7b8ec6eee338de553b060 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Wed, 16 Jul 2008 21:55:53 +0100 Subject: [PATCH] istallion: use tty_port Switch istallion to use the new tty_port structure Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/istallion.c | 116 +++++++++++++++++++------------------- include/linux/istallion.h | 6 +- 2 files changed, 59 insertions(+), 63 deletions(-) diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index 7c8b62f162b..6ef1c565705 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -735,8 +735,8 @@ static void stli_cleanup_ports(struct stlibrd *brdp) for (j = 0; j < STL_MAXPORTS; j++) { portp = brdp->ports[j]; if (portp != NULL) { - if (portp->tty != NULL) - tty_hangup(portp->tty); + if (portp->port.tty != NULL) + tty_hangup(portp->port.tty); kfree(portp); } } @@ -811,9 +811,9 @@ static int stli_open(struct tty_struct *tty, struct file *filp) * The sleep here does not need interrupt protection since the wakeup * for it is done with the same context. */ - if (portp->flags & ASYNC_CLOSING) { - interruptible_sleep_on(&portp->close_wait); - if (portp->flags & ASYNC_HUP_NOTIFY) + if (portp->port.flags & ASYNC_CLOSING) { + interruptible_sleep_on(&portp->port.close_wait); + if (portp->port.flags & ASYNC_HUP_NOTIFY) return -EAGAIN; return -ERESTARTSYS; } @@ -824,7 +824,7 @@ static int stli_open(struct tty_struct *tty, struct file *filp) * requires several commands to the board we will need to wait for any * other open that is already initializing the port. */ - portp->tty = tty; + portp->port.tty = tty; tty->driver_data = portp; portp->refcount++; @@ -833,10 +833,10 @@ static int stli_open(struct tty_struct *tty, struct file *filp) if (signal_pending(current)) return -ERESTARTSYS; - if ((portp->flags & ASYNC_INITIALIZED) == 0) { + if ((portp->port.flags & ASYNC_INITIALIZED) == 0) { set_bit(ST_INITIALIZING, &portp->state); if ((rc = stli_initopen(brdp, portp)) >= 0) { - portp->flags |= ASYNC_INITIALIZED; + portp->port.flags |= ASYNC_INITIALIZED; clear_bit(TTY_IO_ERROR, &tty->flags); } clear_bit(ST_INITIALIZING, &portp->state); @@ -851,9 +851,9 @@ static int stli_open(struct tty_struct *tty, struct file *filp) * The sleep here does not need interrupt protection since the wakeup * for it is done with the same context. */ - if (portp->flags & ASYNC_CLOSING) { - interruptible_sleep_on(&portp->close_wait); - if (portp->flags & ASYNC_HUP_NOTIFY) + if (portp->port.flags & ASYNC_CLOSING) { + interruptible_sleep_on(&portp->port.close_wait); + if (portp->port.flags & ASYNC_HUP_NOTIFY) return -EAGAIN; return -ERESTARTSYS; } @@ -867,7 +867,7 @@ static int stli_open(struct tty_struct *tty, struct file *filp) if ((rc = stli_waitcarrier(brdp, portp, filp)) != 0) return rc; } - portp->flags |= ASYNC_NORMAL_ACTIVE; + portp->port.flags |= ASYNC_NORMAL_ACTIVE; return 0; } @@ -895,7 +895,7 @@ static void stli_close(struct tty_struct *tty, struct file *filp) return; } - portp->flags |= ASYNC_CLOSING; + portp->port.flags |= ASYNC_CLOSING; /* * May want to wait for data to drain before closing. The BUSY flag @@ -911,7 +911,7 @@ static void stli_close(struct tty_struct *tty, struct file *filp) if (portp->closing_wait != ASYNC_CLOSING_WAIT_NONE) tty_wait_until_sent(tty, portp->closing_wait); - portp->flags &= ~ASYNC_INITIALIZED; + portp->port.flags &= ~ASYNC_INITIALIZED; brdp = stli_brds[portp->brdnr]; stli_rawclose(brdp, portp, 0, 0); if (tty->termios->c_cflag & HUPCL) { @@ -931,16 +931,16 @@ static void stli_close(struct tty_struct *tty, struct file *filp) stli_flushbuffer(tty); tty->closing = 0; - portp->tty = NULL; + portp->port.tty = NULL; if (portp->openwaitcnt) { if (portp->close_delay) msleep_interruptible(jiffies_to_msecs(portp->close_delay)); - wake_up_interruptible(&portp->open_wait); + wake_up_interruptible(&portp->port.open_wait); } - portp->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); - wake_up_interruptible(&portp->close_wait); + portp->port.flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); + wake_up_interruptible(&portp->port.close_wait); } /*****************************************************************************/ @@ -970,7 +970,7 @@ static int stli_initopen(struct stlibrd *brdp, struct stliport *portp) sizeof(asynotify_t), 0)) < 0) return rc; - tty = portp->tty; + tty = portp->port.tty; if (tty == NULL) return -ENODEV; stli_mkasyport(portp, &aport, tty->termios); @@ -1169,7 +1169,7 @@ static int stli_setport(struct stliport *portp) if (portp == NULL) return -ENODEV; - if (portp->tty == NULL) + if (portp->port.tty == NULL) return -ENODEV; if (portp->brdnr >= stli_nrbrds) return -ENODEV; @@ -1177,7 +1177,7 @@ static int stli_setport(struct stliport *portp) if (brdp == NULL) return -ENODEV; - stli_mkasyport(portp, &aport, portp->tty->termios); + stli_mkasyport(portp, &aport, portp->port.tty->termios); return(stli_cmdwait(brdp, portp, A_SETPORT, &aport, sizeof(asyport_t), 0)); } @@ -1196,7 +1196,7 @@ static int stli_waitcarrier(struct stlibrd *brdp, struct stliport *portp, struct rc = 0; doclocal = 0; - if (portp->tty->termios->c_cflag & CLOCAL) + if (portp->port.tty->termios->c_cflag & CLOCAL) doclocal++; spin_lock_irqsave(&stli_lock, flags); @@ -1211,14 +1211,14 @@ static int stli_waitcarrier(struct stlibrd *brdp, struct stliport *portp, struct &portp->asig, sizeof(asysigs_t), 0)) < 0) break; if (tty_hung_up_p(filp) || - ((portp->flags & ASYNC_INITIALIZED) == 0)) { - if (portp->flags & ASYNC_HUP_NOTIFY) + ((portp->port.flags & ASYNC_INITIALIZED) == 0)) { + if (portp->port.flags & ASYNC_HUP_NOTIFY) rc = -EBUSY; else rc = -ERESTARTSYS; break; } - if (((portp->flags & ASYNC_CLOSING) == 0) && + if (((portp->port.flags & ASYNC_CLOSING) == 0) && (doclocal || (portp->sigs & TIOCM_CD))) { break; } @@ -1226,7 +1226,7 @@ static int stli_waitcarrier(struct stlibrd *brdp, struct stliport *portp, struct rc = -ERESTARTSYS; break; } - interruptible_sleep_on(&portp->open_wait); + interruptible_sleep_on(&portp->port.open_wait); } spin_lock_irqsave(&stli_lock, flags); @@ -1548,7 +1548,7 @@ static int stli_getserial(struct stliport *portp, struct serial_struct __user *s sio.type = PORT_UNKNOWN; sio.line = portp->portnr; sio.irq = 0; - sio.flags = portp->flags; + sio.flags = portp->port.flags; sio.baud_base = portp->baud_base; sio.close_delay = portp->close_delay; sio.closing_wait = portp->closing_wait; @@ -1583,11 +1583,11 @@ static int stli_setserial(struct stliport *portp, struct serial_struct __user *s if ((sio.baud_base != portp->baud_base) || (sio.close_delay != portp->close_delay) || ((sio.flags & ~ASYNC_USR_MASK) != - (portp->flags & ~ASYNC_USR_MASK))) + (portp->port.flags & ~ASYNC_USR_MASK))) return -EPERM; } - portp->flags = (portp->flags & ~ASYNC_USR_MASK) | + portp->port.flags = (portp->port.flags & ~ASYNC_USR_MASK) | (sio.flags & ASYNC_USR_MASK); portp->baud_base = sio.baud_base; portp->close_delay = sio.close_delay; @@ -1751,7 +1751,7 @@ static void stli_settermios(struct tty_struct *tty, struct ktermios *old) if ((old->c_cflag & CRTSCTS) && ((tiosp->c_cflag & CRTSCTS) == 0)) tty->hw_stopped = 0; if (((old->c_cflag & CLOCAL) == 0) && (tiosp->c_cflag & CLOCAL)) - wake_up_interruptible(&portp->open_wait); + wake_up_interruptible(&portp->port.open_wait); } /*****************************************************************************/ @@ -1834,7 +1834,7 @@ static void stli_hangup(struct tty_struct *tty) if (brdp == NULL) return; - portp->flags &= ~ASYNC_INITIALIZED; + portp->port.flags &= ~ASYNC_INITIALIZED; if (!test_bit(ST_CLOSING, &portp->state)) stli_rawclose(brdp, portp, 0, 0); @@ -1855,12 +1855,12 @@ static void stli_hangup(struct tty_struct *tty) clear_bit(ST_TXBUSY, &portp->state); clear_bit(ST_RXSTOP, &portp->state); set_bit(TTY_IO_ERROR, &tty->flags); - portp->tty = NULL; - portp->flags &= ~ASYNC_NORMAL_ACTIVE; + portp->port.tty = NULL; + portp->port.flags &= ~ASYNC_NORMAL_ACTIVE; portp->refcount = 0; spin_unlock_irqrestore(&stli_lock, flags); - wake_up_interruptible(&portp->open_wait); + wake_up_interruptible(&portp->port.open_wait); } /*****************************************************************************/ @@ -2188,7 +2188,7 @@ static void stli_read(struct stlibrd *brdp, struct stliport *portp) if (test_bit(ST_RXSTOP, &portp->state)) return; - tty = portp->tty; + tty = portp->port.tty; if (tty == NULL) return; @@ -2362,7 +2362,7 @@ static int stli_hostcmd(struct stlibrd *brdp, struct stliport *portp) if (ap->notify) { nt = ap->changed; ap->notify = 0; - tty = portp->tty; + tty = portp->port.tty; if (nt.signal & SG_DCD) { oldsigs = portp->sigs; @@ -2370,10 +2370,10 @@ static int stli_hostcmd(struct stlibrd *brdp, struct stliport *portp) clear_bit(ST_GETSIGS, &portp->state); if ((portp->sigs & TIOCM_CD) && ((oldsigs & TIOCM_CD) == 0)) - wake_up_interruptible(&portp->open_wait); + wake_up_interruptible(&portp->port.open_wait); if ((oldsigs & TIOCM_CD) && ((portp->sigs & TIOCM_CD) == 0)) { - if (portp->flags & ASYNC_CHECK_CD) { + if (portp->port.flags & ASYNC_CHECK_CD) { if (tty) tty_hangup(tty); } @@ -2392,7 +2392,7 @@ static int stli_hostcmd(struct stlibrd *brdp, struct stliport *portp) if ((nt.data & DT_RXBREAK) && (portp->rxmarkmsk & BRKINT)) { if (tty != NULL) { tty_insert_flip_char(tty, 0, TTY_BREAK); - if (portp->flags & ASYNC_SAK) { + if (portp->port.flags & ASYNC_SAK) { do_SAK(tty); EBRDENABLE(brdp); } @@ -2542,17 +2542,17 @@ static void stli_mkasyport(struct stliport *portp, asyport_t *pp, struct ktermio /* * Start of by setting the baud, char size, parity and stop bit info. */ - pp->baudout = tty_get_baud_rate(portp->tty); + pp->baudout = tty_get_baud_rate(portp->port.tty); if ((tiosp->c_cflag & CBAUD) == B38400) { - if ((portp->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) + if ((portp->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) pp->baudout = 57600; - else if ((portp->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) + else if ((portp->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) pp->baudout = 115200; - else if ((portp->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI) + else if ((portp->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI) pp->baudout = 230400; - else if ((portp->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP) + else if ((portp->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP) pp->baudout = 460800; - else if ((portp->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) + else if ((portp->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) pp->baudout = (portp->baud_base / portp->custom_divisor); } if (pp->baudout > STL_MAXBAUD) @@ -2625,9 +2625,9 @@ static void stli_mkasyport(struct stliport *portp, asyport_t *pp, struct ktermio * Set up clocal processing as required. */ if (tiosp->c_cflag & CLOCAL) - portp->flags &= ~ASYNC_CHECK_CD; + portp->port.flags &= ~ASYNC_CHECK_CD; else - portp->flags |= ASYNC_CHECK_CD; + portp->port.flags |= ASYNC_CHECK_CD; /* * Transfer any persistent flags into the asyport structure. @@ -2703,8 +2703,8 @@ static int stli_initports(struct stlibrd *brdp) portp->baud_base = STL_BAUDBASE; portp->close_delay = STL_CLOSEDELAY; portp->closing_wait = 30 * HZ; - init_waitqueue_head(&portp->open_wait); - init_waitqueue_head(&portp->close_wait); + init_waitqueue_head(&portp->port.open_wait); + init_waitqueue_head(&portp->port.close_wait); init_waitqueue_head(&portp->raw_wait); panelport++; if (panelport >= brdp->panels[panelnr]) { @@ -4246,18 +4246,18 @@ static int stli_portcmdstats(struct stliport *portp) stli_comstats.panel = portp->panelnr; stli_comstats.port = portp->portnr; stli_comstats.state = portp->state; - stli_comstats.flags = portp->flags; + stli_comstats.flags = portp->port.flag; spin_lock_irqsave(&brd_lock, flags); - if (portp->tty != NULL) { - if (portp->tty->driver_data == portp) { - stli_comstats.ttystate = portp->tty->flags; + if (portp->port.tty != NULL) { + if (portp->port.tty->driver_data == portp) { + stli_comstats.ttystate = portp->port.tty->flags; stli_comstats.rxbuffered = -1; - if (portp->tty->termios != NULL) { - stli_comstats.cflags = portp->tty->termios->c_cflag; - stli_comstats.iflags = portp->tty->termios->c_iflag; - stli_comstats.oflags = portp->tty->termios->c_oflag; - stli_comstats.lflags = portp->tty->termios->c_lflag; + if (portp->port.tty->termios != NULL) { + stli_comstats.cflags = portp->port.tty->termios->c_cflag; + stli_comstats.iflags = portp->port.tty->termios->c_iflag; + stli_comstats.oflags = portp->port.tty->termios->c_oflag; + stli_comstats.lflags = portp->port.tty->termios->c_lflag; } } } diff --git a/include/linux/istallion.h b/include/linux/istallion.h index 5a84fe944b7..0d184072324 100644 --- a/include/linux/istallion.h +++ b/include/linux/istallion.h @@ -51,25 +51,21 @@ */ struct stliport { unsigned long magic; + struct tty_port port; unsigned int portnr; unsigned int panelnr; unsigned int brdnr; unsigned long state; unsigned int devnr; - int flags; int baud_base; int custom_divisor; int close_delay; int closing_wait; - int refcount; int openwaitcnt; int rc; int argsize; void *argp; unsigned int rxmarkmsk; - struct tty_struct *tty; - wait_queue_head_t open_wait; - wait_queue_head_t close_wait; wait_queue_head_t raw_wait; struct asysigs asig; unsigned long addr; -- 2.20.1