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