aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2015-11-20 04:32:44 -0500
committerMark Brown <broonie@kernel.org>2015-11-20 13:05:16 -0500
commitd1afdf34fc17bd2e1c96dc6196c562fa8906a026 (patch)
tree2679d067cafc6beb1f19932451d0edf2005131c0
parent8005c49d9aea74d382f474ce11afbbc7d7130bec (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.c3
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);