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Subject[PATCH RESEND #2 1/3] serqt_usb2: drag screaming into the 21st century
Date
From: Alan Cox <alan@linux.intel.com>

Fix the termios stuff but while we are at it do something about the rest of
it

Signed-off-by: Alan Cox <alan@linux.intel.com>
---

drivers/staging/serqt_usb2/serqt_usb2.c | 18 ++++++++----------
1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/serqt_usb2/serqt_usb2.c b/drivers/staging/serqt_usb2/serqt_usb2.c
index 8a362f7..c90de96 100644
--- a/drivers/staging/serqt_usb2/serqt_usb2.c
+++ b/drivers/staging/serqt_usb2/serqt_usb2.c
@@ -315,10 +315,8 @@ static void qt_read_bulk_callback(struct urb *urb)
}

tty = tty_port_tty_get(&port->port);
- if (!tty) {
- dbg("%s - bad tty pointer - exiting", __func__);
+ if (!tty)
return;
- }

data = urb->transfer_buffer;

@@ -364,7 +362,7 @@ static void qt_read_bulk_callback(struct urb *urb)
goto exit;
}

- if (tty && RxCount) {
+ if (RxCount) {
flag_data = 0;
for (i = 0; i < RxCount; ++i) {
/* Look ahead code here */
@@ -428,7 +426,7 @@ static void qt_read_bulk_callback(struct urb *urb)
dbg("%s - failed resubmitting read urb, error %d",
__func__, result);
else {
- if (tty && RxCount) {
+ if (RxCount) {
tty_flip_buffer_push(tty);
tty_schedule_flip(tty);
}
@@ -897,8 +895,6 @@ static int qt_open(struct tty_struct *tty,
* Put this here to make it responsive to stty and defaults set by
* the tty layer
*/
- /* FIXME: is this needed? */
- /* qt_set_termios(tty, port, NULL); */

/* Check to see if we've set up our endpoint info yet */
if (port0->open_ports == 1) {
@@ -1195,7 +1191,7 @@ static void qt_set_termios(struct tty_struct *tty,
struct usb_serial_port *port,
struct ktermios *old_termios)
{
- struct ktermios *termios = tty->termios;
+ struct ktermios *termios = &tty->termios;
unsigned char new_LCR = 0;
unsigned int cflag = termios->c_cflag;
unsigned int index;
@@ -1204,7 +1200,7 @@ static void qt_set_termios(struct tty_struct *tty,

index = tty->index - port->serial->minor;

- switch (cflag) {
+ switch (cflag & CSIZE) {
case CS5:
new_LCR |= SERIAL_5_DATA;
break;
@@ -1215,6 +1211,8 @@ static void qt_set_termios(struct tty_struct *tty,
new_LCR |= SERIAL_7_DATA;
break;
default:
+ termios->c_cflag &= ~CSIZE;
+ termios->c_cflag |= CS8;
case CS8:
new_LCR |= SERIAL_8_DATA;
break;
@@ -1301,7 +1299,7 @@ static void qt_set_termios(struct tty_struct *tty,
dbg(__FILE__ "BoxSetSW_FlowCtrl (diabling) failed\n");

}
- tty->termios->c_cflag &= ~CMSPAR;
+ termios->c_cflag &= ~CMSPAR;
/* FIXME: Error cases should be returning the actual bits changed only */
}



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