From 3a9ce0f1b2961f6c3ad2a49dcf85449784c18bb5 Mon Sep 17 00:00:00 2001 From: John Hsu Date: Fri, 22 Mar 2019 12:25:35 +0800 Subject: [PATCH] ASoC: nau8810: fix the issue of 64 bits division Do division with div_u64 for the PLL calculation. These errors are fixed and list as follows: 1."__udivdi3" [sound/soc/codecs/snd-soc-nau8810.ko] undefined! 2."__aeabi_uldivmod" [sound/soc/codecs/snd-soc-nau8810.ko] undefined! 3. nau8810.c:(.text.nau8810_calc_pll+0xd8): undefined reference to `__udivdi3' Signed-off-by: John Hsu Signed-off-by: Mark Brown --- sound/soc/codecs/nau8810.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/nau8810.c b/sound/soc/codecs/nau8810.c index 125e205e6687..dd82c65cfa7f 100644 --- a/sound/soc/codecs/nau8810.c +++ b/sound/soc/codecs/nau8810.c @@ -505,7 +505,8 @@ static int nau8810_calc_pll(unsigned int pll_in, f2_max = 0; scal_sel = ARRAY_SIZE(nau8810_mclk_scaler); for (i = 0; i < ARRAY_SIZE(nau8810_mclk_scaler); i++) { - f2 = 256ULL * fs * 4 * nau8810_mclk_scaler[i] / 10; + f2 = 256ULL * fs * 4 * nau8810_mclk_scaler[i]; + f2 = div_u64(f2, 10); if (f2 > NAU_PLL_FREQ_MIN && f2 < NAU_PLL_FREQ_MAX && f2_max < f2) { f2_max = f2; -- 2.30.2