diff options
author | Arnd Bergmann <arnd@arndb.de> | 2015-11-20 04:32:44 -0500 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2015-11-20 13:05:16 -0500 |
commit | d1afdf34fc17bd2e1c96dc6196c562fa8906a026 (patch) | |
tree | 2679d067cafc6beb1f19932451d0edf2005131c0 | |
parent | 8005c49d9aea74d382f474ce11afbbc7d7130bec (diff) |
ASoC: pxa: remove incorrect do_div() call
The new optimized do_div implementation (now in asm-generic/next) exposes a
glitch in the brownstone audio driver by producing a compile-time warning:
sound/soc/pxa/brownstone.c: In function 'brownstone_wm8994_hw_params':
sound/soc/pxa/brownstone.c:67:85: warning: comparison of distinct pointer types lacks a cast
sound/soc/pxa/brownstone.c:67:10125: warning: right shift count >= width of type [-Wshift-count-overflow]
sound/soc/pxa/brownstone.c:67:10254: warning: passing argument 1 of '__div64_32' from incompatible pointer type [-Wincompatible-pointer-types]
The driver just divides two plain integer values, so it should not
use do_div to start with, but has apparently done so ever since the
code was first merged. This replaces do_div with a simple division
operator.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r-- | sound/soc/pxa/brownstone.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/sound/soc/pxa/brownstone.c b/sound/soc/pxa/brownstone.c index 6147e86e9b0f..416ea646c3b1 100644 --- a/sound/soc/pxa/brownstone.c +++ b/sound/soc/pxa/brownstone.c | |||
@@ -63,8 +63,7 @@ static int brownstone_wm8994_hw_params(struct snd_pcm_substream *substream, | |||
63 | sysclk = params_rate(params) * 512; | 63 | sysclk = params_rate(params) * 512; |
64 | sspa_mclk = params_rate(params) * 64; | 64 | sspa_mclk = params_rate(params) * 64; |
65 | } | 65 | } |
66 | sspa_div = freq_out; | 66 | sspa_div = freq_out / sspa_mclk; |
67 | do_div(sspa_div, sspa_mclk); | ||
68 | 67 | ||
69 | snd_soc_dai_set_sysclk(cpu_dai, MMP_SSPA_CLK_AUDIO, freq_out, 0); | 68 | snd_soc_dai_set_sysclk(cpu_dai, MMP_SSPA_CLK_AUDIO, freq_out, 0); |
70 | snd_soc_dai_set_pll(cpu_dai, MMP_SYSCLK, 0, freq_out, sysclk); | 69 | snd_soc_dai_set_pll(cpu_dai, MMP_SYSCLK, 0, freq_out, sysclk); |