On 6/16/23 02:00, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@xxxxxxxx> > > DIV_ROUND_CLOSEST() does not work on 64-bit variables when building for > a 32-bit target: > > ld.lld: error: undefined symbol: __udivdi3 >>>> referenced by loongson_i2s.c >>>> sound/soc/loongson/loongson_i2s.o:(loongson_i2s_hw_params) in archive vmlinux.a > > Use DIV_ROUND_CLOSEST_ULL() instead. > > Fixes: d24028606e764 ("ASoC: loongson: Add Loongson ASoC Sound Card Support") > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Tested-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> # build-tested Thanks. > --- > sound/soc/loongson/loongson_i2s.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/sound/soc/loongson/loongson_i2s.c b/sound/soc/loongson/loongson_i2s.c > index f73b6d6f16c23..b919f0fe83615 100644 > --- a/sound/soc/loongson/loongson_i2s.c > +++ b/sound/soc/loongson/loongson_i2s.c > @@ -89,7 +89,7 @@ static int loongson_i2s_hw_params(struct snd_pcm_substream *substream, > bclk_ratio = DIV_ROUND_CLOSEST(sysclk, > (bits * chans * fs * 2)) - 1; > mclk_ratio = clk_rate / sysclk; > - mclk_ratio_frac = DIV_ROUND_CLOSEST(((u64)clk_rate << 16), > + mclk_ratio_frac = DIV_ROUND_CLOSEST_ULL(((u64)clk_rate << 16), > sysclk) - (mclk_ratio << 16); > > regmap_read(i2s->regmap, LS_I2S_CFG, &val); -- ~Randy