From: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Date: Thu, 22 Sep 2016 14:57:19 +0000 (+0200)
Subject: drm/exynos: mixer: simplify loop in vp_win_reset()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a696394c5224a4795c56df153037f86e056ac0b9;p=linux-beck.git

drm/exynos: mixer: simplify loop in vp_win_reset()

A simple while loop should do the same here.

Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
---

diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index eff85891c4db..bea3cbd39a25 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -698,10 +698,10 @@ static void mixer_graph_buffer(struct mixer_context *ctx,
 static void vp_win_reset(struct mixer_context *ctx)
 {
 	struct mixer_resources *res = &ctx->mixer_res;
-	int tries = 100;
+	unsigned int tries = 100;
 
 	vp_reg_write(res, VP_SRESET, VP_SRESET_PROCESSING);
-	for (tries = 100; tries; --tries) {
+	while (tries--) {
 		/* waiting until VP_SRESET_PROCESSING is 0 */
 		if (~vp_reg_read(res, VP_SRESET) & VP_SRESET_PROCESSING)
 			break;