diff options
| author | Sameer Pujar <spujar@nvidia.com> | 2020-07-23 11:13:31 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-07-23 21:52:25 +0300 |
| commit | f9ec176cd684c83a60638123da0b34c7c82f0c74 (patch) | |
| tree | c47a219137323ac0a27f7921bc9f36823a9c277c /sound/soc/tegra | |
| parent | 83249952ffab43b82487c1c497f1b49324c602d4 (diff) | |
| download | linux-f9ec176cd684c83a60638123da0b34c7c82f0c74.tar.xz | |
ASoC: tegra: Fix build error due to 64-by-32 division
Build errors are seen on 32-bit platforms because of a plain 64-by-32
division. For example, following build erros were reported.
"ERROR: modpost: "__udivdi3" [sound/soc/tegra/snd-soc-tegra210-dmic.ko]
undefined!"
"ERROR: modpost: "__divdi3" [sound/soc/tegra/snd-soc-tegra210-dmic.ko]
undefined!"
This can be fixed by using div_u64() helper from 'math64.h' header.
Fixes: 8c8ff982e9e2 ("ASoC: tegra: Add Tegra210 based DMIC driver")
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Link: https://lore.kernel.org/r/1595492011-2411-1-git-send-email-spujar@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/tegra')
| -rw-r--r-- | sound/soc/tegra/tegra210_dmic.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/soc/tegra/tegra210_dmic.c b/sound/soc/tegra/tegra210_dmic.c index ff6fd652a9a2..d682414ad90d 100644 --- a/sound/soc/tegra/tegra210_dmic.c +++ b/sound/soc/tegra/tegra210_dmic.c @@ -6,6 +6,7 @@ #include <linux/clk.h> #include <linux/device.h> +#include <linux/math64.h> #include <linux/module.h> #include <linux/of_device.h> #include <linux/platform_device.h> @@ -129,7 +130,7 @@ static int tegra210_dmic_hw_params(struct snd_pcm_substream *substream, * Boost Gain Volume control has 100x factor. */ if (dmic->boost_gain) - gain_q23 = (gain_q23 * dmic->boost_gain) / 100; + gain_q23 = div_u64(gain_q23 * dmic->boost_gain, 100); regmap_write(dmic->regmap, TEGRA210_DMIC_LP_FILTER_GAIN, (unsigned int)gain_q23); |