| commit | 9356c46170e0551f72467c9b0fb9a856a36aa2de | [log] [tgz] |
|---|---|---|
| author | Sonic Zhang <sonic.zhang@analog.com> | Tue Mar 09 12:25:37 2010 -0500 |
| committer | Greg Kroah-Hartman <gregkh@suse.de> | Fri May 21 09:34:28 2010 -0700 |
| tree | 189b4dcf17222ab526c03e4631e7c92ae7d8402e | |
| parent | 60bd940f142741092b95a2e572f81741dc867545 [diff] |
serial: bfin_sport_uart: only enable SPORT TX if data is to be sent Rather than always turn on the SPORT TX interrupt, only do it when we've actually queued up data for transmission. This avoids useless interrupt processing. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>