| commit | 5b04ec4ad8e2ffdc9d1f27fd6eb5118e919bc87d | [log] [tgz] |
|---|---|---|
| author | Baurzhan Ismagulov <ibr@radix50.net> | Thu Nov 11 10:53:03 2010 +0100 |
| committer | Greg Kroah-Hartman <gregkh@suse.de> | Thu Nov 11 11:35:59 2010 -0800 |
| tree | 5e5b6ce308c019c9d8e0e3ace7afcae16e6acedc | |
| parent | 63295cb2ff4329f563579f3d20c5855a96a866d5 [diff] |
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>