[PATCH] drm/msm: Use div64_ul instead of do_div

[Wan Jiabing]

Fix following coccicheck warning:
drivers/gpu/drm/msm/msm_gpu_devfreq.c:72:1-7: WARNING: do_div() does a 64-by-32 division, please consider using div64_ul instead.

Use div64_ul instead of do_div to avoid a possible truncation.

Signed-off-by: Wan Jiabing <wanjiabing at vivo.com>
---
 drivers/gpu/drm/msm/msm_gpu_devfreq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/msm_gpu_devfreq.c b/drivers/gpu/drm/msm/msm_gpu_devfreq.c
index d2539ca78c29..c2ea978c8921 100644
--- a/drivers/gpu/drm/msm/msm_gpu_devfreq.c
+++ b/drivers/gpu/drm/msm/msm_gpu_devfreq.c
@@ -69,7 +69,7 @@ static void get_raw_dev_status(struct msm_gpu *gpu,
 	df->time = time;
 
 	busy_time *= USEC_PER_SEC;
-	do_div(busy_time, sample_rate);
+	busy_time = div64_ul(busy_time, sample_rate);
 	if (WARN_ON(busy_time > ~0LU))
 		busy_time = ~0LU;
 
-- 
2.35.3