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authorAlan Cox <alan@linux.intel.com>2010-09-16 13:21:52 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2010-10-22 13:20:05 -0400
commit0587102cf9f427c185bfdeb2cef41e13ee0264b1 (patch)
tree94c6dcc7ac230dee166d2f6aa1f9a54bffe5764b /drivers/serial
parent0bca1b913affbd7e2fdaffee62a499659a466eb5 (diff)
tty: icount changeover for other main devices
Again basically cut and paste Convert the main driver set to use the hooks for GICOUNT Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/68360serial.c51
1 files changed, 25 insertions, 26 deletions
diff --git a/drivers/serial/68360serial.c b/drivers/serial/68360serial.c
index 0dff3bbddc8b..88b13356ec10 100644
--- a/drivers/serial/68360serial.c
+++ b/drivers/serial/68360serial.c
@@ -1381,6 +1381,30 @@ static void send_break(ser_info_t *info, unsigned int duration)
1381} 1381}
1382 1382
1383 1383
1384/*
1385 * Get counter of input serial line interrupts (DCD,RI,DSR,CTS)
1386 * Return: write counters to the user passed counter struct
1387 * NB: both 1->0 and 0->1 transitions are counted except for
1388 * RI where only 0->1 is counted.
1389 */
1390static int rs_360_get_icount(struct tty_struct *tty,
1391 struct serial_icounter_struct *icount)
1392{
1393 ser_info_t *info = (ser_info_t *)tty->driver_data;
1394 struct async_icount cnow;
1395
1396 local_irq_disable();
1397 cnow = info->state->icount;
1398 local_irq_enable();
1399
1400 icount->cts = cnow.cts;
1401 icount->dsr = cnow.dsr;
1402 icount->rng = cnow.rng;
1403 icount->dcd = cnow.dcd;
1404
1405 return 0;
1406}
1407
1384static int rs_360_ioctl(struct tty_struct *tty, struct file * file, 1408static int rs_360_ioctl(struct tty_struct *tty, struct file * file,
1385 unsigned int cmd, unsigned long arg) 1409 unsigned int cmd, unsigned long arg)
1386{ 1410{
@@ -1394,7 +1418,7 @@ static int rs_360_ioctl(struct tty_struct *tty, struct file * file,
1394 if (serial_paranoia_check(info, tty->name, "rs_ioctl")) 1418 if (serial_paranoia_check(info, tty->name, "rs_ioctl"))
1395 return -ENODEV; 1419 return -ENODEV;
1396 1420
1397 if ((cmd != TIOCMIWAIT) && (cmd != TIOCGICOUNT)) { 1421 if (cmd != TIOCMIWAIT) {
1398 if (tty->flags & (1 << TTY_IO_ERROR)) 1422 if (tty->flags & (1 << TTY_IO_ERROR))
1399 return -EIO; 1423 return -EIO;
1400 } 1424 }
@@ -1477,31 +1501,6 @@ static int rs_360_ioctl(struct tty_struct *tty, struct file * file,
1477 return 0; 1501 return 0;
1478#endif 1502#endif
1479 1503
1480 /*
1481 * Get counter of input serial line interrupts (DCD,RI,DSR,CTS)
1482 * Return: write counters to the user passed counter struct
1483 * NB: both 1->0 and 0->1 transitions are counted except for
1484 * RI where only 0->1 is counted.
1485 */
1486 case TIOCGICOUNT:
1487 local_irq_disable();
1488 cnow = info->state->icount;
1489 local_irq_enable();
1490 p_cuser = (struct serial_icounter_struct *) arg;
1491/* error = put_user(cnow.cts, &p_cuser->cts); */
1492/* if (error) return error; */
1493/* error = put_user(cnow.dsr, &p_cuser->dsr); */
1494/* if (error) return error; */
1495/* error = put_user(cnow.rng, &p_cuser->rng); */
1496/* if (error) return error; */
1497/* error = put_user(cnow.dcd, &p_cuser->dcd); */
1498/* if (error) return error; */
1499
1500 put_user(cnow.cts, &p_cuser->cts);
1501 put_user(cnow.dsr, &p_cuser->dsr);
1502 put_user(cnow.rng, &p_cuser->rng);
1503 put_user(cnow.dcd, &p_cuser->dcd);
1504 return 0;
1505 1504
1506 default: 1505 default:
1507 return -ENOIOCTLCMD; 1506 return -ENOIOCTLCMD;