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authorDavid Woodhouse <dwmw2@infradead.org>2007-08-23 10:43:14 +0100
committerDavid Woodhouse <dwmw2@infradead.org>2007-08-23 10:43:14 +0100
commitac0c955d5048c2c580fa7166a89133f0fd76c125 (patch)
tree041ac4fb544c7244a1a0b35c8ceabc142d5645c1 /drivers/serial/serial_core.c
parent68d09b1b6780415d82160f6b6d88e82bd724e691 (diff)
parentb377fd3982ad957c796758a90e2988401a884241 (diff)
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/serial/serial_core.c')
-rw-r--r--drivers/serial/serial_core.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 030a6063541d..a055f58f342f 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -1146,11 +1146,14 @@ static void uart_set_termios(struct tty_struct *tty, struct ktermios *old_termio
/*
* These are the bits that are used to setup various
- * flags in the low level driver.
+ * flags in the low level driver. We can ignore the Bfoo
+ * bits in c_cflag; c_[io]speed will always be set
+ * appropriately by set_termios() in tty_ioctl.c
*/
#define RELEVANT_IFLAG(iflag) ((iflag) & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
-
if ((cflag ^ old_termios->c_cflag) == 0 &&
+ tty->termios->c_ospeed == old_termios->c_ospeed &&
+ tty->termios->c_ispeed == old_termios->c_ispeed &&
RELEVANT_IFLAG(tty->termios->c_iflag ^ old_termios->c_iflag) == 0)
return;