do_div() divides 64 bits by 32. We were adding a casting to the divider to 64 bits, for a number that fits perfectly in 32 bits. Remove it. Found by cocci: drivers/media/dvb-frontends/tda18271c2dd.c:355:1-7: WARNING: do_div() does a 64-by-32 division, please consider using div64_u64 instead. drivers/media/dvb-frontends/tda18271c2dd.c:331:1-7: WARNING: do_div() does a 64-by-32 division, please consider using div64_u64 instead. Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx> --- drivers/media/dvb-frontends/tda18271c2dd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/dvb-frontends/tda18271c2dd.c b/drivers/media/dvb-frontends/tda18271c2dd.c index a34834487943..fd928787207e 100644 --- a/drivers/media/dvb-frontends/tda18271c2dd.c +++ b/drivers/media/dvb-frontends/tda18271c2dd.c @@ -328,7 +328,7 @@ static int CalcMainPLL(struct tda_state *state, u32 freq) OscFreq = (u64) freq * (u64) Div; OscFreq *= (u64) 16384; - do_div(OscFreq, (u64)16000000); + do_div(OscFreq, 16000000); MainDiv = OscFreq; state->m_Regs[MPD] = PostDiv & 0x77; @@ -352,7 +352,7 @@ static int CalcCalPLL(struct tda_state *state, u32 freq) OscFreq = (u64)freq * (u64)Div; /* CalDiv = u32( OscFreq * 16384 / 16000000 ); */ OscFreq *= (u64)16384; - do_div(OscFreq, (u64)16000000); + do_div(OscFreq, 16000000); CalDiv = OscFreq; state->m_Regs[CPD] = PostDiv; -- 2.44.0.683.g7961c838ac-goog
