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serial: remove termios checks from various old char serial drivers

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

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox
2007-07-15 23:41:49 -07:00
committed by Linus Torvalds
parent d471d340ef
commit 7e7d136e9e
5 changed files with 12 additions and 38 deletions
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drivers/char/esp.c
-7
View File
@@ -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);