diff mbox series

[23/35] media: dvb-frontends: tda10048: Use the right div

Message ID 20240415-fix-cocci-v1-23-477afb23728b@chromium.org
State New
Headers show
Series media: Fix coccinelle warning/errors | expand

Commit Message

Ricardo Ribalda April 15, 2024, 7:34 p.m. UTC 
z does not fit in 32 bits.

Found by cocci:
drivers/media/dvb-frontends/tda10048.c:345:1-7: WARNING: do_div() does a 64-by-32 division, please consider using div64_u64 instead.

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/dvb-frontends/tda10048.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/dvb-frontends/tda10048.c b/drivers/media/dvb-frontends/tda10048.c
index 5d5e4e9e4422..b176e7803e5b 100644
--- a/drivers/media/dvb-frontends/tda10048.c
+++ b/drivers/media/dvb-frontends/tda10048.c
@@ -342,8 +342,7 @@  static int tda10048_set_wref(struct dvb_frontend *fe, u32 sample_freq_hz,
 	t *= (2048 * 1024);
 	t *= 1024;
 	z = 7 * sample_freq_hz;
-	do_div(t, z);
-	t += 5;
+	t = div64_u64(t, z) + 5;
 	do_div(t, 10);
 
 	tda10048_writereg(state, TDA10048_TIME_WREF_LSB, (u8)t);