commit 1552c32547ca807f0df7d9abca54468033df8764
author Mark Brown <broonie@linaro.org> Thu Nov 28 18:11:38 2013 +0000
committer Mark Brown <broonie@linaro.org> Wed Dec 04 13:47:04 2013 +0000
tree 56367cfe4845808bff4770a22764bbd6018e8e34
parent 6ce4eac1f600b34f2f7f58f9cd8f0503d79e42ae

ASoC: adsp: Use async writes where possible

This will allow a marginal speed improvement when used with a bus that
supports async I/O by reducing the amount of context thrashing between
writes, allowing the bus to be more fully utilised.

Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/codecs/wm_adsp.c

diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 46ec0e9..6b1c01c 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -1468,8 +1468,8 @@
 	unsigned int val;
 	int ret, count;
 
-	ret = regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
-				 ADSP2_SYS_ENA, ADSP2_SYS_ENA);
+	ret = regmap_update_bits_async(dsp->regmap, dsp->base + ADSP2_CONTROL,
+				       ADSP2_SYS_ENA, ADSP2_SYS_ENA);
 	if (ret != 0)
 		return ret;
 
@@ -1521,9 +1521,9 @@
 		val = (val & ARIZONA_SYSCLK_FREQ_MASK)
 			>> ARIZONA_SYSCLK_FREQ_SHIFT;
 
-		ret = regmap_update_bits(dsp->regmap,
-					 dsp->base + ADSP2_CLOCKING,
-					 ADSP2_CLK_SEL_MASK, val);
+		ret = regmap_update_bits_async(dsp->regmap,
+					       dsp->base + ADSP2_CLOCKING,
+					       ADSP2_CLK_SEL_MASK, val);
 		if (ret != 0) {
 			adsp_err(dsp, "Failed to set clock rate: %d\n",
 				 ret);
@@ -1586,10 +1586,10 @@
 		if (ret != 0)
 			goto err;
 
-		ret = regmap_update_bits(dsp->regmap,
-					 dsp->base + ADSP2_CONTROL,
-					 ADSP2_CORE_ENA | ADSP2_START,
-					 ADSP2_CORE_ENA | ADSP2_START);
+		ret = regmap_update_bits_async(dsp->regmap,
+					       dsp->base + ADSP2_CONTROL,
+					       ADSP2_CORE_ENA | ADSP2_START,
+					       ADSP2_CORE_ENA | ADSP2_START);
 		if (ret != 0)
 			goto err;