Remove low_latency flag setting from nozomi and mxser drivers

4d8d4d25 · Chuck Ebbert <[email protected]> · 2009-06-24 18:35:13 +01:00

The kernel oopses if this flag is set.

[and neither driver should set it as they call tty_flip_buffer_push from IRQ
 paths so have always been buggy]

Signed-off-by: Chuck Ebbert <[email protected]>
Signed-off-by: Alan Cox <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Commit: 4d8d4d251df8eaaa3dae71c8cfa7fbf4510d967d
Parents: 6af9a43d

Changes

2 files changed · +0 −4

File	Status	Add	Del	Content
drivers/char/mxser.c	modified	+0	−2	View file
drivers/char/nozomi.c	modified	+0	−2	View file

drivers/char/mxser.c

View file

diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index 9533f43..52d953e 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -1048,8 +1048,6 @@ static int mxser_open(struct tty_struct *tty, struct file *filp)
 	if (retval)
 		return retval;
 
-	/* unmark here for very high baud rate (ex. 921600 bps) used */
-	tty->low_latency = 1;
 	return 0;
 }
 

drivers/char/nozomi.c

View file

diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c
index d6102b6..574f1c7 100644
--- a/drivers/char/nozomi.c
+++ b/drivers/char/nozomi.c
@@ -1591,8 +1591,6 @@ static int ntty_open(struct tty_struct *tty, struct file *file)
 
 	/* Enable interrupt downlink for channel */
 	if (port->port.count == 1) {
-		/* FIXME: is this needed now ? */
-		tty->low_latency = 1;
 		tty->driver_data = port;
 		tty_port_tty_set(&port->port, tty);
 		DBG1("open: %d", port->token_dl);