Messages in this thread Patch in this message | | | From | Andy Lutomirski <> | Subject | [PATCH 2/3] dev_pm_qos: Fix writing 'auto' to pm_qos_latency_tolerance_us | Date | Tue, 29 Nov 2016 17:11:51 -0800 |
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If it was already 'auto', then writing 'auto' again would incorrectly fail.
Signed-off-by: Andy Lutomirski <luto@kernel.org> --- drivers/base/power/qos.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
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); -- 2.9.3
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