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| author | Baurzhan Ismagulov <ibr@radix50.net> | 2010-11-11 10:53:03 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-11-11 11:35:59 -0800 |
| commit | 5b04ec4ad8e2ffdc9d1f27fd6eb5118e919bc87d (patch) | |
| tree | 5e5b6ce308c019c9d8e0e3ace7afcae16e6acedc /kernel/printk.c | |
| parent | 63295cb2ff4329f563579f3d20c5855a96a866d5 (diff) | |
| download | op-kernel-dev-5b04ec4ad8e2ffdc9d1f27fd6eb5118e919bc87d.zip op-kernel-dev-5b04ec4ad8e2ffdc9d1f27fd6eb5118e919bc87d.tar.gz | |
serial: cpm_uat: reducing CPM serial latency
Setting Rx FIFO size to 1 reduces reader process wakeup latency up to
20x for baud rates <= 9600. This patch sets the Rx FIFO size to 1 for
baud rates <= 9600 or if low latency has been requested for the tty.
Signed-off-by: Michael Trimarchi <michael@gandalf.sssup.it>
Signed-off-by: Bruno Morelli <bruno@evidence.eu.com>
Signed-off-by: Baurzhan Ismagulov <ibr@radix50.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'kernel/printk.c')
0 files changed, 0 insertions, 0 deletions
