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| author |   Jakub Kicinski <kubakici@wp.pl> | 2015-05-29 21:20:28 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-06-01 06:47:27 +0900 |
| commit | 4ae82e5d23961515796d76850499db3866c5e73b (patch) | |
| tree | 5f76e406512b415579cf83baad55828c553b7515 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | sc16is7xx: add missing compatible strings (diff) | |
| download | linux-dev-4ae82e5d23961515796d76850499db3866c5e73b.tar.xz linux-dev-4ae82e5d23961515796d76850499db3866c5e73b.zip | |
sc16is7xx: use LSR_TEMT_BIT in .tx_empty()
LSR_TEMT_BIT (LSR bit 6) provides us exactly the information
we need to determine if transmission is finished - FIFO level
and shift register empty. We can save ourselves reading FIFO
level explicitly if we use this bit.
Signed-off-by: Jakub Kicinski <kubakici@wp.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions