AcoSail/kernel_optimize_test
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Remove low_latency flag setting from nozomi and mxser drivers

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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 <cebbert@redhat.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Chuck Ebbert 2009-06-24 18:35:13 +01:00 committed by Linus Torvalds
parent 6af9a43d58
commit 4d8d4d251d
2 changed files with 0 additions and 4 deletions
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2
drivers/char/mxser.c
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@ -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;
}

2
drivers/char/nozomi.c
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@ -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);