As reported by kbuild test robot <fengguang...@intel.com>:
with a random config:
drivers/built-in.o: In function `dib8000_get_time_us.isra.16':
>> dib8000.c:(.text+0x3075aa): undefined reference to `__udivdi3'
Signed-off-by: Mauro Carvalho Chehab <m.che...@samsung.com>
---
drivers/media/dvb-frontends/dib8000.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/media/dvb-frontends/dib8000.c
b/drivers/media/dvb-frontends/dib8000.c
index 7539d7af2cf7..481ee49e6a37 100644
--- a/drivers/media/dvb-frontends/dib8000.c
+++ b/drivers/media/dvb-frontends/dib8000.c
@@ -3951,7 +3951,7 @@ static u32 dib8000_get_time_us(struct dvb_frontend *fe,
int layer)
struct dib8000_state *state = fe->demodulator_priv;
struct dtv_frontend_properties *c = &state->fe[0]->dtv_property_cache;
int ini_layer, end_layer, i;
- u64 time_us;
+ u64 time_us, tmp64;
u32 tmp, denom;
int guard, rate_num, rate_denum, bits_per_symbol, nsegs;
int interleaving, fft_div;
@@ -4048,7 +4048,9 @@ static u32 dib8000_get_time_us(struct dvb_frontend *fe,
int layer)
/* Estimate the period for the total bit rate */
time_us = rate_denum * (1008 * 1562500L);
- time_us = time_us + time_us / guard;
+ tmp64 = time_us;
+ do_div(tmp64, guard);
+ time_us = time_us + tmp64;
time_us += denom / 2;
do_div(time_us, denom);
--
1.8.3.1
--
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