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Commit f29e37c0 authored by Alan Cox's avatar Alan Cox Committed by Linus Torvalds
Browse files

mxser/mxser_new: first pass over termios reporting for the mxser cards 



Signed-off-by: default avatarAlan Cox <alan@redhat.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent b98e70de

drivers/char/mxser.c

+19 −8
Original line number Diff line number Diff line
@@ -1391,7 +1391,8 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, unsigned int c 
			long baud;

			if (get_user(baud, (long __user *)argp))

				return -EFAULT;

			mxser_set_baud(info, baud);

			if (mxser_set_baud(info, baud) == -1)

				return -1;

			return 0;

		}

	case MOXA_ASPP_GETBAUD:
@@ -2517,7 +2518,13 @@ static int mxser_change_speed(struct mxser_struct *info, struct ktermios *old_te 
#endif

	if (mxser_set_baud_method[info->port] == 0) {

		baud = tty_get_baud_rate(info->tty);

		mxser_set_baud(info, baud);

		if (mxser_set_baud(info, baud) == -1) {

			/* Use previous rate on a failure */

			if (old_termios) {

				baud = tty_termios_baud_rate(old_termios);

				tty_encode_baud_rate(info->tty, baud, baud);

			}

		}

	}



	/* byte size and parity */
@@ -2691,27 +2698,31 @@ static int mxser_set_baud(struct mxser_struct *info, long newspd) 
{

	int quot = 0;

	unsigned char cval;

	int ret = 0;

	unsigned long flags;

	unsigned int baud;



	if (!info->tty || !info->tty->termios)

		return ret;

		return -1;



	if (!(info->base))

		return ret;

		return -1;



	if (newspd > info->MaxCanSetBaudRate)

		return 0;

		return -1;



	info->realbaud = newspd;

	if (newspd == 134) {

		quot = (2 * info->baud_base / 269);

		tty_encode_baud_rate(info->tty, 134, 134);

	} else if (newspd) {

		quot = info->baud_base / newspd;

		if (quot == 0)

			quot = 1;

		baud = info->baud_base / quot;

		tty_encode_baud_rate(info->tty, baud, baud);

	} else {

		quot = 0;

		tty_encode_baud_rate(info->tty, 0, 0);

	}



	info->timeout = ((info->xmit_fifo_size * HZ * 10 * quot) / info->baud_base);
@@ -2727,7 +2738,7 @@ static int mxser_set_baud(struct mxser_struct *info, long newspd) 
		info->MCR &= ~UART_MCR_DTR;

		outb(info->MCR, info->base + UART_MCR);

		spin_unlock_irqrestore(&info->slock, flags);

		return ret;

		return 0;

	}



	cval = inb(info->base + UART_LCR);
@@ -2739,7 +2750,7 @@ static int mxser_set_baud(struct mxser_struct *info, long newspd) 
	outb(cval, info->base + UART_LCR);	/* reset DLAB */





	return ret;

	return 0;

}



/*

drivers/char/mxser_new.c

+9 −7
Original line number Diff line number Diff line
@@ -452,18 +452,17 @@ static int mxser_block_til_ready(struct tty_struct *tty, struct file *filp, 
static int mxser_set_baud(struct mxser_port *info, long newspd)

{

	unsigned int i;

	int quot = 0;

	int quot = 0, baud;

	unsigned char cval;

	int ret = 0;



	if (!info->tty || !info->tty->termios)

		return ret;

		return -1;



	if (!(info->ioaddr))

		return ret;

		return -1;



	if (newspd > info->max_baud)

		return 0;

		return -1;



	info->realbaud = newspd;

	for (i = 0; i < BAUD_TABLE_NO; i++)
@@ -476,10 +475,13 @@ static int mxser_set_baud(struct mxser_port *info, long newspd) 
	} else {

		if (newspd == 134) {

			quot = (2 * info->baud_base / 269);

			tty_encode_baud_rate(info->tty, 134, 134);

		} else if (newspd) {

			quot = info->baud_base / newspd;

			if (quot == 0)

				quot = 1;

			baud = info->baud_base/quot;

			tty_encode_baud_rate(info->tty, baud, baud);

		} else {

			quot = 0;

		}
@@ -494,7 +496,7 @@ static int mxser_set_baud(struct mxser_port *info, long newspd) 
	} else {

		info->MCR &= ~UART_MCR_DTR;

		outb(info->MCR, info->ioaddr + UART_MCR);

		return ret;

		return 0;

	}



	cval = inb(info->ioaddr + UART_LCR);
@@ -518,7 +520,7 @@ static int mxser_set_baud(struct mxser_port *info, long newspd) 
	} else

		SET_MOXA_MUST_ENUM_VALUE(info->ioaddr, 0);



	return ret;

	return 0;

}



/*