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| author | Andrew Lutomirski <luto@kernel.org> | 2016-11-30 04:11:51 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-12-01 00:34:23 +0300 |
| commit | 80a6f7c79b7822726a096ce9e01cc00a1eacc2c4 (patch) | |
| tree | a79f28704a374349f163465d8fa7b7e6e4326142 /drivers/base/power/qos.c | |
| parent | ee061da8d9dfc30ced06f25c18694cffa70eac1e (diff) | |
| download | linux-80a6f7c79b7822726a096ce9e01cc00a1eacc2c4.tar.xz | |
PM / QoS: Fix writing 'auto' to pm_qos_latency_tolerance_us
If it was already 'auto', then writing 'auto' again would
incorrectly fail.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/base/power/qos.c')
| -rw-r--r-- | drivers/base/power/qos.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c index 7f3646e459cb..6a1f2c7e01ea 100644 --- a/drivers/base/power/qos.c +++ b/drivers/base/power/qos.c @@ -856,7 +856,10 @@ int dev_pm_qos_update_user_latency_tolerance(struct device *dev, s32 val) struct dev_pm_qos_request *req; if (val < 0) { - ret = -EINVAL; + if (val == PM_QOS_LATENCY_TOLERANCE_NO_CONSTRAINT) + ret = 0; + else + ret = -EINVAL; goto out; } req = kzalloc(sizeof(*req), GFP_KERNEL); |