X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fchar%2Fgeneric_serial.c;h=e2a0b6f3d336317ccc842e1ea88a4f3743f08c95;hb=refs%2Fheads%2Fvserver;hp=5e59c0b42731990818df9c713adb635f378ec236;hpb=43bc926fffd92024b46cafaf7350d669ba9ca884;p=linux-2.6.git diff --git a/drivers/char/generic_serial.c b/drivers/char/generic_serial.c index 5e59c0b42..e2a0b6f3d 100644 --- a/drivers/char/generic_serial.c +++ b/drivers/char/generic_serial.c @@ -33,8 +33,6 @@ #define DEBUG -static char * tmp_buf; - static int gs_debug; #ifdef DEBUG @@ -205,7 +203,7 @@ int gs_write(struct tty_struct * tty, if (!tty) return -EIO; port = tty->driver_data; - if (!port || !port->xmit_buf || !tmp_buf) + if (!port || !port->xmit_buf) return -EIO; local_save_flags(flags); @@ -713,18 +711,12 @@ void gs_close(struct tty_struct * tty, struct file * filp) } -static unsigned int gs_baudrates[] = { - 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, - 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600 -}; - - void gs_set_termios (struct tty_struct * tty, - struct termios * old_termios) + struct ktermios * old_termios) { struct gs_port *port; int baudrate, tmp, rv; - struct termios *tiosp; + struct ktermios *tiosp; func_enter(); @@ -746,11 +738,9 @@ void gs_set_termios (struct tty_struct * tty, gs_dprintk (GS_DEBUG_TERMIOS, "termios structure (%p):\n", tiosp); } -#if 0 /* This is an optimization that is only allowed for dumb cards */ /* Smart cards require knowledge of iflags and oflags too: that might change hardware cooking mode.... */ -#endif if (old_termios) { if( (tiosp->c_iflag == old_termios->c_iflag) && (tiosp->c_oflag == old_termios->c_oflag) @@ -774,16 +764,8 @@ void gs_set_termios (struct tty_struct * tty, if(!memcmp(tiosp->c_cc, old_termios->c_cc, NCC)) printk("c_cc changed\n"); } - baudrate = tiosp->c_cflag & CBAUD; - if (baudrate & CBAUDEX) { - baudrate &= ~CBAUDEX; - if ((baudrate < 1) || (baudrate > 4)) - tiosp->c_cflag &= ~CBAUDEX; - else - baudrate += 15; - } + baudrate = tty_get_baud_rate(tty); - baudrate = gs_baudrates[baudrate]; if ((tiosp->c_cflag & CBAUD) == B38400) { if ( (port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) baudrate = 57600; @@ -846,24 +828,9 @@ void gs_set_termios (struct tty_struct * tty, int gs_init_port(struct gs_port *port) { unsigned long flags; - unsigned long page; func_enter (); - if (!tmp_buf) { - page = get_zeroed_page(GFP_KERNEL); - spin_lock_irqsave (&port->driver_lock, flags); /* Don't expect this to make a difference. */ - if (tmp_buf) - free_page(page); - else - tmp_buf = (unsigned char *) page; - spin_unlock_irqrestore (&port->driver_lock, flags); - if (!tmp_buf) { - func_exit (); - return -ENOMEM; - } - } - if (port->flags & ASYNC_INITIALIZED) { func_exit (); return 0;