Patchwork [v2,3/4] drm/exynos: mixer: simplify loop in vp_win_reset()

login
register
mail settings
Submitter Tobias Jakobi
Date Sept. 22, 2016, 2:57 p.m.
Message ID <1474556240-14055-4-git-send-email-tjakobi@math.uni-bielefeld.de>
Download mbox | patch
Permalink /patch/9345479/
State New
Headers show

Comments

Tobias Jakobi - Sept. 22, 2016, 2:57 p.m.
A simple while loop should do the same here.

Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
---
 drivers/gpu/drm/exynos/exynos_mixer.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch

diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index c3dad66..4f39d6b 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -736,10 +736,10 @@  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;