Commit 7e7d136e authored by Alan Cox's avatar Alan Cox Committed by Linus Torvalds
Browse files

serial: remove termios checks from various old char serial drivers 



Signed-off-by: default avatarAlan Cox <alan@redhat.com>

Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent d471d340

drivers/char/cyclades.c

+0 −4
Original line number Diff line number Diff line
@@ -4127,10 +4127,6 @@ static void cy_set_termios(struct tty_struct *tty, struct ktermios *old_termios) 
	printk(KERN_DEBUG "cyc:cy_set_termios ttyC%d\n", info->line);

#endif



	if (tty->termios->c_cflag == old_termios->c_cflag &&

			(tty->termios->c_iflag & (IXON | IXANY)) ==

			(old_termios->c_iflag & (IXON | IXANY)))

		return;

	set_line_char(info);



	if ((old_termios->c_cflag & CRTSCTS) &&

drivers/char/esp.c

+0 −7
Original line number Diff line number Diff line
@@ -1121,8 +1121,6 @@ static void change_speed(struct esp_struct *info) 
	/*

	 * Set up parity check flag

	 */

#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))



	info->read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR;

	if (I_INPCK(info->tty))

		info->read_status_mask |= UART_LSR_FE | UART_LSR_PE;
@@ -1920,11 +1918,6 @@ static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios) 
	struct esp_struct *info = (struct esp_struct *)tty->driver_data;

	unsigned long flags;



	if (   (tty->termios->c_cflag == old_termios->c_cflag)

	    && (   RELEVANT_IFLAG(tty->termios->c_iflag) 

		== RELEVANT_IFLAG(old_termios->c_iflag)))

		return;



	change_speed(info);



	spin_lock_irqsave(&info->lock, flags);

drivers/char/istallion.c

+0 −3
Original line number Diff line number Diff line
@@ -1753,9 +1753,6 @@ static void stli_settermios(struct tty_struct *tty, struct ktermios *old) 
		return;



	tiosp = tty->termios;

	if ((tiosp->c_cflag == old->c_cflag) &&

	    (tiosp->c_iflag == old->c_iflag))

		return;



	stli_mkasyport(portp, &aport, tiosp);

	stli_cmdwait(brdp, portp, A_SETPORT, &aport, sizeof(asyport_t), 0);

drivers/char/mxser.c

+5 −11
Original line number Diff line number Diff line
@@ -90,8 +90,6 @@ 
#define UART_MCR_AFE		0x20

#define UART_LSR_SPECIAL	0x1E



#define RELEVANT_IFLAG(iflag)	(iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK|\

					  IXON|IXOFF))



#define IRQ_T(info) ((info->flags & ASYNC_SHARE_IRQ) ? IRQF_SHARED : IRQF_DISABLED)
@@ -1729,9 +1727,6 @@ static void mxser_set_termios(struct tty_struct *tty, struct ktermios *old_termi 
	struct mxser_struct *info = tty->driver_data;

	unsigned long flags;



	if ((tty->termios->c_cflag != old_termios->c_cflag) ||

			(RELEVANT_IFLAG(tty->termios->c_iflag) != RELEVANT_IFLAG(old_termios->c_iflag))) {



	mxser_change_speed(info, old_termios);



	if ((old_termios->c_cflag & CRTSCTS) &&
@@ -1739,7 +1734,6 @@ static void mxser_set_termios(struct tty_struct *tty, struct ktermios *old_termi 
		tty->hw_stopped = 0;

		mxser_start(tty);

	}

	}



/* Handle sw stopped */

	if ((old_termios->c_iflag & IXON) &&

drivers/char/mxser_new.c

+7 −13
Original line number Diff line number Diff line
@@ -72,8 +72,6 @@ 
#define UART_MCR_AFE		0x20

#define UART_LSR_SPECIAL	0x1E



#define RELEVANT_IFLAG(iflag)	(iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK|\

					  IXON|IXOFF))



#define C168_ASIC_ID    1

#define C104_ASIC_ID    2
@@ -1990,9 +1988,6 @@ static void mxser_set_termios(struct tty_struct *tty, struct ktermios *old_termi 
	struct mxser_port *info = tty->driver_data;

	unsigned long flags;



	if ((tty->termios->c_cflag != old_termios->c_cflag) ||

			(RELEVANT_IFLAG(tty->termios->c_iflag) != RELEVANT_IFLAG(old_termios->c_iflag))) {



	spin_lock_irqsave(&info->slock, flags);

	mxser_change_speed(info, old_termios);

	spin_unlock_irqrestore(&info->slock, flags);
@@ -2002,7 +1997,6 @@ static void mxser_set_termios(struct tty_struct *tty, struct ktermios *old_termi 
		tty->hw_stopped = 0;

		mxser_start(tty);

	}

	}



	/* Handle sw stopped */

	if ((old_termios->c_iflag & IXON) &&

CRA Git | Maintained and supported by SUSTech CRA and CCSE