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

Ricardo Ribalda
2024-04-15T19:34:56Z

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 --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);

--
2.44.0.683.g7961c838ac-goog