linux-kernel - [PATCH 1/3] drm/msm: match wait_for_completion

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Date:	Sat, 11 Apr 2015 15:10:36 +0200
From:	Nicholas Mc Guire <hofrat@...dl.org>
To:	David Airlie <airlied@...ux.ie>
Cc:	Rob Clark <robdclark@...il.com>, Mark Brown <broonie@...nel.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Hai Li <hali@...eaurora.org>, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org, Nicholas Mc Guire <hofrat@...dl.org>
Subject: [PATCH 1/3] drm/msm: match wait_for_completion_timeout return type

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@...dl.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 |   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)
+		DBG("%s: idle pattern timedout, %lu\n",
+				__func__, time_left);
 
 	edp_state_ctrl(ctrl, 0);
 
-- 
1.7.10.4

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