diff mbox series

[v3,22/26] media: tc358746: Use the correct div_ function

Message ID 20240429-fix-cocci-v3-22-3c4865f5a4b0@chromium.org (mailing list archive)
State New, archived
Headers show
Series media: Fix coccinelle warning/errors | expand

Commit Message

Ricardo Ribalda April 29, 2024, 3:05 p.m. UTC 
fin does not fit in 32 bits in some arches.

Found by cocci:
drivers/media/i2c/tc358746.c:847:2-8: WARNING: do_div() does a 64-by-32 division, please consider using div64_ul instead.

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/i2c/tc358746.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/i2c/tc358746.c b/drivers/media/i2c/tc358746.c
index d676adc4401b..edf79107adc5 100644
--- a/drivers/media/i2c/tc358746.c
+++ b/drivers/media/i2c/tc358746.c
@@ -844,8 +844,7 @@  static unsigned long tc358746_find_pll_settings(struct tc358746 *tc358746,
 			continue;
 
 		tmp = fout * postdiv;
-		do_div(tmp, fin);
-		mul = tmp;
+		mul = div64_ul(tmp, fin);
 		if (mul > 511)
 			continue;