wait_for_completion_timeout returns >= 0 but never negative - so the error check should be against equality to 0 not <= 0.
Signed-off-by: Nicholas Mc Guire hofrat@osadl.org ---
This was compile tested with qcom_defconfig + CONFIG_DRM=m (implies CONFIG_DRM_MSM=m)
Patch is against 4.0-rc7 (localversion-next is -next-20150410)
drivers/gpu/drm/msm/edp/edp_ctrl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/edp/edp_ctrl.c b/drivers/gpu/drm/msm/edp/edp_ctrl.c index 831acd6..9ef361c 100644 --- a/drivers/gpu/drm/msm/edp/edp_ctrl.c +++ b/drivers/gpu/drm/msm/edp/edp_ctrl.c @@ -1032,7 +1032,7 @@ static void edp_ctrl_off_worker(struct work_struct *work)
time_left = wait_for_completion_timeout(&ctrl->idle_comp, msecs_to_jiffies(500)); - if (time_left <= 0) + if (!time_left) DBG("%s: idle pattern timedout, %lu\n", __func__, time_left);