diff options
| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2008-01-03 17:03:11 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-02-01 14:35:00 -0800 |
| commit | 537699ef53f8b97546f0845bf51a49c9ab114a13 (patch) | |
| tree | 954a9e9e20f4b7e7d663443023403051b078e841 /drivers/usb/serial/ti_usb_3410_5052.c | |
| parent | 65d063ab21feea8cf65d64fba50a5c4fa7bfd6be (diff) | |
USB: ti_usb: termios cleanups
Remove internal NULL passing in termios code
Remove all the if checks it causes
Encode the baud rate back properly
Clear CMSPAR as it is not supported
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/serial/ti_usb_3410_5052.c')
| -rw-r--r-- | drivers/usb/serial/ti_usb_3410_5052.c | 31 |
1 files changed, 13 insertions, 18 deletions
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 995fdf3c489..70f56c8aef9 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -581,7 +581,7 @@ static int ti_open(struct usb_serial_port *port, struct file *file) } } - ti_set_termios(port, NULL); + ti_set_termios(port, port->tty->termios); dbg("%s - sending TI_OPEN_PORT", __FUNCTION__); status = ti_command_out_sync(tdev, TI_OPEN_PORT, @@ -618,7 +618,7 @@ static int ti_open(struct usb_serial_port *port, struct file *file) usb_clear_halt(dev, port->write_urb->pipe); usb_clear_halt(dev, port->read_urb->pipe); - ti_set_termios(port, NULL); + ti_set_termios(port, port->tty->termios); dbg("%s - sending TI_OPEN_PORT (2)", __FUNCTION__); status = ti_command_out_sync(tdev, TI_OPEN_PORT, @@ -897,24 +897,11 @@ static void ti_set_termios(struct usb_serial_port *port, dbg("%s - port %d", __FUNCTION__, port->number); - if (!tty || !tty->termios) { - dbg("%s - no tty or termios", __FUNCTION__); - return; - } - cflag = tty->termios->c_cflag; iflag = tty->termios->c_iflag; - if (old_termios && cflag == old_termios->c_cflag - && iflag == old_termios->c_iflag) { - dbg("%s - nothing to change", __FUNCTION__); - return; - } - - dbg("%s - clfag %08x, iflag %08x", __FUNCTION__, cflag, iflag); - - if (old_termios) - dbg("%s - old clfag %08x, old iflag %08x", __FUNCTION__, old_termios->c_cflag, old_termios->c_iflag); + dbg("%s - cflag %08x, iflag %08x", __FUNCTION__, cflag, iflag); + dbg("%s - old clfag %08x, old iflag %08x", __FUNCTION__, old_termios->c_cflag, old_termios->c_iflag); if (tport == NULL) return; @@ -948,6 +935,9 @@ static void ti_set_termios(struct usb_serial_port *port, break; } + /* CMSPAR isn't supported by this driver */ + tty->termios->c_cflag &= ~CMSPAR; + if (cflag & PARENB) { if (cflag & PARODD) { config->wFlags |= TI_UART_ENABLE_PARITY_CHECKING; @@ -990,12 +980,17 @@ static void ti_set_termios(struct usb_serial_port *port, } baud = tty_get_baud_rate(tty); - if (!baud) baud = 9600; + if (!baud) + baud = 9600; if (tport->tp_tdev->td_is_3410) config->wBaudRate = (__u16)((923077 + baud/2) / baud); else config->wBaudRate = (__u16)((461538 + baud/2) / baud); + /* FIXME: Should calculate resulting baud here and report it back */ + if ((cflag & CBAUD) != B0) + tty_encode_baud_rate(tty, baud, baud); + dbg("%s - BaudRate=%d, wBaudRate=%d, wFlags=0x%04X, bDataBits=%d, bParity=%d, bStopBits=%d, cXon=%d, cXoff=%d, bUartMode=%d", __FUNCTION__, baud, config->wBaudRate, config->wFlags, config->bDataBits, config->bParity, config->bStopBits, config->cXon, config->cXoff, config->bUartMode); |