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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-23 02:59:04 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-23 02:59:04 (GMT) |
commit | 73ecf3a6e3f0206bf56a0fefe3b3eda042fb7034 (patch) | |
tree | 866f0ebb2b148479e93b5ac955097b1cc94ceb4e /drivers/char/pcmcia/synclink_cs.c | |
parent | b9da0571050c09863e59f94d0b8594a290d61b88 (diff) | |
parent | cd3ecad19aea8debae9a48b53de2ec7a571f24e9 (diff) | |
download | linux-fsl-qoriq-73ecf3a6e3f0206bf56a0fefe3b3eda042fb7034.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: (49 commits)
serial8250: ratelimit "too much work" error
serial: bfin_sport_uart: speed up sport RX sample rate to be 3% faster
serial: abstraction for 8250 legacy ports
serial/imx: check that the buffer is non-empty before sending it out
serial: mfd: add more baud rates support
jsm: Remove the uart port on errors
Alchemy: Add UART PM methods.
8250: allow platforms to override PM hook.
altera_uart: Don't use plain integer as NULL pointer
altera_uart: Fix missing prototype for registering an early console
altera_uart: Fixup type usage of port flags
altera_uart: Make it possible to use Altera UART and 8250 ports together
altera_uart: Add support for different address strides
altera_uart: Add support for getting mapbase and IRQ from resources
altera_uart: Add support for polling mode (IRQ-less)
serial: Factor out uart_poll_timeout() from 8250 driver
serial: mark the 8250 driver as maintained
serial: 8250: Don't delay after transmitter is ready.
tty: MAINTAINERS: add drivers/serial/jsm/ as maintained driver
vcs: invoke the vt update callback when /dev/vcs* is written to
...
Diffstat (limited to 'drivers/char/pcmcia/synclink_cs.c')
-rw-r--r-- | drivers/char/pcmcia/synclink_cs.c | 60 |
1 files changed, 27 insertions, 33 deletions
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index be18100..bfc10f8 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -2191,6 +2191,32 @@ static int mgslpc_break(struct tty_struct *tty, int break_state) return 0; } +static int mgslpc_get_icount(struct tty_struct *tty, + struct serial_icounter_struct *icount) +{ + MGSLPC_INFO * info = (MGSLPC_INFO *)tty->driver_data; + struct mgsl_icount cnow; /* kernel counter temps */ + unsigned long flags; + + spin_lock_irqsave(&info->lock,flags); + cnow = info->icount; + spin_unlock_irqrestore(&info->lock,flags); + + icount->cts = cnow.cts; + icount->dsr = cnow.dsr; + icount->rng = cnow.rng; + icount->dcd = cnow.dcd; + icount->rx = cnow.rx; + icount->tx = cnow.tx; + icount->frame = cnow.frame; + icount->overrun = cnow.overrun; + icount->parity = cnow.parity; + icount->brk = cnow.brk; + icount->buf_overrun = cnow.buf_overrun; + + return 0; +} + /* Service an IOCTL request * * Arguments: @@ -2206,11 +2232,7 @@ static int mgslpc_ioctl(struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg) { MGSLPC_INFO * info = (MGSLPC_INFO *)tty->driver_data; - int error; - struct mgsl_icount cnow; /* kernel counter temps */ - struct serial_icounter_struct __user *p_cuser; /* user space */ void __user *argp = (void __user *)arg; - unsigned long flags; if (debug_level >= DEBUG_LEVEL_INFO) printk("%s(%d):mgslpc_ioctl %s cmd=%08X\n", __FILE__,__LINE__, @@ -2220,7 +2242,7 @@ static int mgslpc_ioctl(struct tty_struct *tty, struct file * file, return -ENODEV; if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) && - (cmd != TIOCMIWAIT) && (cmd != TIOCGICOUNT)) { + (cmd != TIOCMIWAIT)) { if (tty->flags & (1 << TTY_IO_ERROR)) return -EIO; } @@ -2250,34 +2272,6 @@ static int mgslpc_ioctl(struct tty_struct *tty, struct file * file, return wait_events(info, argp); case TIOCMIWAIT: return modem_input_wait(info,(int)arg); - case TIOCGICOUNT: - spin_lock_irqsave(&info->lock,flags); - cnow = info->icount; - spin_unlock_irqrestore(&info->lock,flags); - p_cuser = argp; - PUT_USER(error,cnow.cts, &p_cuser->cts); - if (error) return error; - PUT_USER(error,cnow.dsr, &p_cuser->dsr); - if (error) return error; - PUT_USER(error,cnow.rng, &p_cuser->rng); - if (error) return error; - PUT_USER(error,cnow.dcd, &p_cuser->dcd); - if (error) return error; - PUT_USER(error,cnow.rx, &p_cuser->rx); - if (error) return error; - PUT_USER(error,cnow.tx, &p_cuser->tx); - if (error) return error; - PUT_USER(error,cnow.frame, &p_cuser->frame); - if (error) return error; - PUT_USER(error,cnow.overrun, &p_cuser->overrun); - if (error) return error; - PUT_USER(error,cnow.parity, &p_cuser->parity); - if (error) return error; - PUT_USER(error,cnow.brk, &p_cuser->brk); - if (error) return error; - PUT_USER(error,cnow.buf_overrun, &p_cuser->buf_overrun); - if (error) return error; - return 0; default: return -ENOIOCTLCMD; } |