On Mon, 13 Apr 2015, Thierry Reding wrote:
> On Sat, Apr 11, 2015 at 03:10:36PM +0200, Nicholas Mc Guire wrote:
> > return type of wait_for_completion_timeout is unsigned long not int, this
> > patch assigns the return value of wait_for_completion_timeout to an
> > appropriately typed and named variable.
> >
> > Signed-off-by: Nicholas Mc Guire <hofrat@xxxxxxxxx>
> > ---
> >
> > 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 | 10 +++++-----
> > 1 file changed, 5 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/msm/edp/edp_ctrl.c b/drivers/gpu/drm/msm/edp/edp_ctrl.c
> > index 0ec5abd..831acd6 100644
> > --- a/drivers/gpu/drm/msm/edp/edp_ctrl.c
> > +++ b/drivers/gpu/drm/msm/edp/edp_ctrl.c
> > @@ -1018,7 +1018,7 @@ static void edp_ctrl_off_worker(struct work_struct *work)
> > {
> > struct edp_ctrl *ctrl = container_of(
> > work, struct edp_ctrl, off_work);
> > - int ret;
> > + unsigned long time_left;
> >
> > mutex_lock(&ctrl->dev_mutex);
> >
> > @@ -1030,11 +1030,11 @@ static void edp_ctrl_off_worker(struct work_struct *work)
> > reinit_completion(&ctrl->idle_comp);
> > edp_state_ctrl(ctrl, EDP_STATE_CTRL_PUSH_IDLE);
> >
> > - ret = wait_for_completion_timeout(&ctrl->idle_comp,
> > + time_left = wait_for_completion_timeout(&ctrl->idle_comp,
> > msecs_to_jiffies(500));
> > - if (ret <= 0)
> > - DBG("%s: idle pattern timedout, %d\n",
> > - __func__, ret);
> > + if (time_left <= 0)
>
> Given that time_left is unsigned now, why bother with the "< 0"?
>
Thats in the second patch - I was ask not do do more than one thing in one
patch - so 1/3 fixed the type/name, 2/3 the return check and 3/3 the DBG.
thx!
hofrat
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