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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 19:59:04 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 19:59:04 -0700 |
commit | 73ecf3a6e3f0206bf56a0fefe3b3eda042fb7034 (patch) | |
tree | 866f0ebb2b148479e93b5ac955097b1cc94ceb4e /drivers/char/nozomi.c | |
parent | b9da0571050c09863e59f94d0b8594a290d61b88 (diff) | |
parent | cd3ecad19aea8debae9a48b53de2ec7a571f24e9 (diff) | |
download | kernel_samsung_smdk4412-73ecf3a6e3f0206bf56a0fefe3b3eda042fb7034.tar.gz kernel_samsung_smdk4412-73ecf3a6e3f0206bf56a0fefe3b3eda042fb7034.tar.bz2 kernel_samsung_smdk4412-73ecf3a6e3f0206bf56a0fefe3b3eda042fb7034.zip |
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/nozomi.c')
-rw-r--r-- | drivers/char/nozomi.c | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c index 817169cbb24..dd3f9b1f11b 100644 --- a/drivers/char/nozomi.c +++ b/drivers/char/nozomi.c @@ -1804,24 +1804,24 @@ static int ntty_cflags_changed(struct port *port, unsigned long flags, return ret; } -static int ntty_ioctl_tiocgicount(struct port *port, void __user *argp) +static int ntty_tiocgicount(struct tty_struct *tty, + struct serial_icounter_struct *icount) { + struct port *port = tty->driver_data; const struct async_icount cnow = port->tty_icount; - struct serial_icounter_struct icount; - - 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 copy_to_user(argp, &icount, sizeof(icount)) ? -EFAULT : 0; + + 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; } static int ntty_ioctl(struct tty_struct *tty, struct file *file, @@ -1840,9 +1840,7 @@ static int ntty_ioctl(struct tty_struct *tty, struct file *file, rval = wait_event_interruptible(port->tty_wait, ntty_cflags_changed(port, arg, &cprev)); break; - } case TIOCGICOUNT: - rval = ntty_ioctl_tiocgicount(port, argp); - break; + } default: DBG1("ERR: 0x%08X, %d", cmd, cmd); break; @@ -1922,6 +1920,7 @@ static const struct tty_operations tty_ops = { .chars_in_buffer = ntty_chars_in_buffer, .tiocmget = ntty_tiocmget, .tiocmset = ntty_tiocmset, + .get_icount = ntty_tiocgicount, .install = ntty_install, .cleanup = ntty_cleanup, }; |