diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-12 10:54:35 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-12 10:54:35 -0700 |
| commit | 378102f364d3fba88b8162df13d639d620e9272c (patch) | |
| tree | 4d08ab65dc1e99d47c1b53fb7d7640711ea46cf6 /drivers/thermal/power_allocator.c | |
| parent | 1a76eb5b04062cf2a32d5c7f0aefc9d92c3f986a (diff) | |
| parent | 25cb62b76430a91cc6195f902e61c2cb84ade622 (diff) | |
| download | linux-next-378102f364d3fba88b8162df13d639d620e9272c.tar.gz linux-next-378102f364d3fba88b8162df13d639d620e9272c.zip | |
Merge 4.3-rc5 into tty-next
We want the tty fixes and reverts in here as well so that people can
properly test and use it.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/thermal/power_allocator.c')
| -rw-r--r-- | drivers/thermal/power_allocator.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/thermal/power_allocator.c b/drivers/thermal/power_allocator.c index 7ff96270c933..e570ff084add 100644 --- a/drivers/thermal/power_allocator.c +++ b/drivers/thermal/power_allocator.c @@ -144,6 +144,16 @@ static void estimate_pid_constants(struct thermal_zone_device *tz, switch_on_temp = 0; temperature_threshold = control_temp - switch_on_temp; + /* + * estimate_pid_constants() tries to find appropriate default + * values for thermal zones that don't provide them. If a + * system integrator has configured a thermal zone with two + * passive trip points at the same temperature, that person + * hasn't put any effort to set up the thermal zone properly + * so just give up. + */ + if (!temperature_threshold) + return; if (!tz->tzp->k_po || force) tz->tzp->k_po = int_to_frac(sustainable_power) / |