Signed-off-by: Alan Cox <[EMAIL PROTECTED]>
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.24-rc2-mm1/drivers/usb/serial/keyspan_pda.c linux-2.6.24-rc2-mm1/drivers/usb/serial/keyspan_pda.c --- linux.vanilla-2.6.24-rc2-mm1/drivers/usb/serial/keyspan_pda.c 2007-11-16 17:20:48.000000000 +0000 +++ linux-2.6.24-rc2-mm1/drivers/usb/serial/keyspan_pda.c 2007-11-16 18:37:19.000000000 +0000 @@ -303,7 +303,7 @@ } -static int keyspan_pda_setbaud (struct usb_serial *serial, int baud) +static speed_t keyspan_pda_setbaud (struct usb_serial *serial, speed_t baud) { int rc; int bindex; @@ -319,7 +319,9 @@ case 38400: bindex = 7; break; case 57600: bindex = 8; break; case 115200: bindex = 9; break; - default: return -EINVAL; + default: + bindex = 5; /* Default to 9600 */ + baud = 9600; } /* rather than figure out how to sleep while waiting for this @@ -334,7 +336,9 @@ NULL, /* &data */ 0, /* size */ 2000); /* timeout */ - return(rc); + if (rc < 0) + return 0; + return baud; } @@ -366,7 +370,7 @@ struct ktermios *old_termios) { struct usb_serial *serial = port->serial; - unsigned int cflag = port->tty->termios->c_cflag; + speed_t speed; /* cflag specifies lots of stuff: number of stop bits, parity, number of data bits, baud. What can the device actually handle?: @@ -388,22 +392,18 @@ For now, just do baud. */ - switch (cflag & CBAUD) { - /* we could support more values here, just need to calculate - the necessary divisors in the firmware. <asm/termbits.h> - has the Bnnn constants. */ - case B110: keyspan_pda_setbaud(serial, 110); break; - case B300: keyspan_pda_setbaud(serial, 300); break; - case B1200: keyspan_pda_setbaud(serial, 1200); break; - case B2400: keyspan_pda_setbaud(serial, 2400); break; - case B4800: keyspan_pda_setbaud(serial, 4800); break; - case B9600: keyspan_pda_setbaud(serial, 9600); break; - case B19200: keyspan_pda_setbaud(serial, 19200); break; - case B38400: keyspan_pda_setbaud(serial, 38400); break; - case B57600: keyspan_pda_setbaud(serial, 57600); break; - case B115200: keyspan_pda_setbaud(serial, 115200); break; - default: dbg("can't handle requested baud rate"); break; - } + speed = tty_get_baud_rate(port->tty); + speed = keyspan_pda_setbaud(serial, speed); + + if (speed == 0) { + dbg("can't handle requested baud rate"); + /* It hasn't changed so.. */ + speed = tty_termios_baud_rate(old_termios); + } + /* Only speed can change so copy the old h/w parameters + then encode the new speed */ + tty_termios_copy_hw(port->tty->termios, old_termios); + tty_encode_baud_rate(port->tty, speed, speed); } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/