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| author | Aaro Koskinen <aaro.koskinen@iki.fi> | 2016-04-10 22:53:47 +0300 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2016-07-12 11:10:47 +0200 |
| commit | e58b6fc54a8671c673f9c3c5753a4242255a0599 (patch) | |
| tree | 4ca79669b0b74bcf75c4c1bab8954d5febb2d1f0 | |
| parent | a498de21381a5c4eed1b2d6e0f9e4a32ba8ef8a7 (diff) | |
| download | lwn-e58b6fc54a8671c673f9c3c5753a4242255a0599.tar.gz lwn-e58b6fc54a8671c673f9c3c5753a4242255a0599.zip | |
drivers: macintosh: rack-meter: limit idle ticks to total ticks
commit c796d1d97c3035cf54d4d5a9e75abd094db80e76 upstream.
Limit idle ticks to total ticks. This prevents the annoying rackmeter
leds fully ON / OFF blinking state that happens on fully idling
G5 Xserve systems.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Cc: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
| -rw-r--r-- | drivers/macintosh/rack-meter.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c index cad0e19b47a2..0b569da3c467 100644 --- a/drivers/macintosh/rack-meter.c +++ b/drivers/macintosh/rack-meter.c @@ -225,6 +225,7 @@ static void rackmeter_do_timer(struct work_struct *work) total_idle_ticks = get_cpu_idle_time(cpu); idle_ticks = (unsigned int) (total_idle_ticks - rcpu->prev_idle); + idle_ticks = min(idle_ticks, total_ticks); rcpu->prev_idle = total_idle_ticks; /* We do a very dumb calculation to update the LEDs for now, |