[alsa-devel] [PATCH] ASoC: nau8810: fix arm-linux-gnueabi-gcc 7.2.0 compile error

[John Hsu]

The patch fixes the compile error at the branch 'asoc for-5.2' as follows:
compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0
ERROR: "__aeabi_uldivmod" [sound/soc/codecs/snd-soc-nau8810.ko] undefined!

Signed-off-by: John Hsu <KCHSU0 at nuvoton.com>
---
 sound/soc/codecs/nau8810.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/nau8810.c b/sound/soc/codecs/nau8810.c
index 5d300b790f78..ede2030b987a 100644
--- a/sound/soc/codecs/nau8810.c
+++ b/sound/soc/codecs/nau8810.c
@@ -21,6 +21,7 @@
 #include <linux/i2c.h>
 #include <linux/regmap.h>
 #include <linux/slab.h>
+#include <linux/math64.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
@@ -497,6 +498,7 @@ static int nau8810_calc_pll(unsigned int pll_in,
 	unsigned int fs, struct nau8810_pll *pll_param)
 {
 	u64 f2, f2_max, pll_ratio;
+	u32 mclk_scaler;
 	int i, scal_sel;
 
 	if (pll_in > NAU_PLL_REF_MAX || pll_in < NAU_PLL_REF_MIN)
@@ -505,7 +507,8 @@ 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;
+		mclk_scaler = 4 * nau8810_mclk_scaler[i] / 10;
+		f2 = 256ULL * fs * mclk_scaler;
 		if (f2 > NAU_PLL_FREQ_MIN && f2 < NAU_PLL_FREQ_MAX &&
 			f2_max < f2) {
 			f2_max = f2;
-- 
2.18.0