linux-kernel - [PATCH v2 01/16] ASoC: codecs: va-macro: move to individual clks from bulk

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Date:   Thu, 24 Feb 2022 11:17:03 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     broonie@...nel.org
Cc:     lgirdwood@...il.com, perex@...ex.cz, tiwai@...e.com,
        pierre-louis.bossart@...ux.intel.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, quic_srivasam@...cinc.com,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH v2 01/16] ASoC: codecs: va-macro: move to individual clks from bulk

Using bulk clocks and referencing them individually using array index is
not great for readers.
So move them to individual clocks handling and also remove some unnecessary
error handling in the code.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 sound/soc/codecs/lpass-va-macro.c | 65 ++++++++++++++++++++-----------
 1 file changed, 43 insertions(+), 22 deletions(-)

diff --git a/sound/soc/codecs/lpass-va-macro.c b/sound/soc/codecs/lpass-va-macro.c
index e14c277e6a8b..ff8120886eca 100644
--- a/sound/soc/codecs/lpass-va-macro.c
+++ b/sound/soc/codecs/lpass-va-macro.c
@@ -193,7 +193,9 @@ struct va_macro {
 
 	int dec_mode[VA_MACRO_NUM_DECIMATORS];
 	struct regmap *regmap;
-	struct clk_bulk_data clks[VA_NUM_CLKS_MAX];
+	struct clk *mclk;
+	struct clk *macro;
+	struct clk *dcodec;
 	struct clk_hw hw;
 
 	s32 dmic_0_1_clk_cnt;
@@ -1321,7 +1323,7 @@ static const struct clk_ops fsgen_gate_ops = {
 
 static int va_macro_register_fsgen_output(struct va_macro *va)
 {
-	struct clk *parent = va->clks[2].clk;
+	struct clk *parent = va->mclk;
 	struct device *dev = va->dev;
 	struct device_node *np = dev->of_node;
 	const char *parent_clk_name;
@@ -1404,15 +1406,18 @@ static int va_macro_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	va->dev = dev;
-	va->clks[0].id = "macro";
-	va->clks[1].id = "dcodec";
-	va->clks[2].id = "mclk";
 
-	ret = devm_clk_bulk_get_optional(dev, VA_NUM_CLKS_MAX, va->clks);
-	if (ret) {
-		dev_err(dev, "Error getting VA Clocks (%d)\n", ret);
-		return ret;
-	}
+	va->macro = devm_clk_get_optional(dev, "macro");
+	if (IS_ERR(va->macro))
+		return PTR_ERR(va->macro);
+
+	va->dcodec = devm_clk_get_optional(dev, "dcodec");
+	if (IS_ERR(va->dcodec))
+		return PTR_ERR(va->dcodec);
+
+	va->mclk = devm_clk_get(dev, "mclk");
+	if (IS_ERR(va->mclk))
+		return PTR_ERR(va->mclk);
 
 	ret = of_property_read_u32(dev->of_node, "qcom,dmic-sample-rate",
 				   &sample_rate);
@@ -1425,12 +1430,6 @@ static int va_macro_probe(struct platform_device *pdev)
 			return -EINVAL;
 	}
 
-	/* mclk rate */
-	clk_set_rate(va->clks[1].clk, VA_MACRO_MCLK_FREQ);
-	ret = clk_bulk_prepare_enable(VA_NUM_CLKS_MAX, va->clks);
-	if (ret)
-		return ret;
-
 	base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base)) {
 		ret = PTR_ERR(base);
@@ -1444,21 +1443,41 @@ static int va_macro_probe(struct platform_device *pdev)
 	}
 
 	dev_set_drvdata(dev, va);
-	ret = va_macro_register_fsgen_output(va);
+
+	/* mclk rate */
+	clk_set_rate(va->mclk, 2 * VA_MACRO_MCLK_FREQ);
+
+	ret = clk_prepare_enable(va->macro);
 	if (ret)
 		goto err;
 
+	ret = clk_prepare_enable(va->dcodec);
+	if (ret)
+		goto err_dcodec;
+
+	ret = clk_prepare_enable(va->mclk);
+	if (ret)
+		goto err_mclk;
+
+	ret = va_macro_register_fsgen_output(va);
+	if (ret)
+		goto err_clkout;
+
 	ret = devm_snd_soc_register_component(dev, &va_macro_component_drv,
 					      va_macro_dais,
 					      ARRAY_SIZE(va_macro_dais));
 	if (ret)
-		goto err;
+		goto err_clkout;
 
-	return ret;
+	return 0;
 
+err_clkout:
+	clk_disable_unprepare(va->mclk);
+err_mclk:
+	clk_disable_unprepare(va->dcodec);
+err_dcodec:
+	clk_disable_unprepare(va->macro);
 err:
-	clk_bulk_disable_unprepare(VA_NUM_CLKS_MAX, va->clks);
-
 	return ret;
 }
 
@@ -1466,7 +1485,9 @@ static int va_macro_remove(struct platform_device *pdev)
 {
 	struct va_macro *va = dev_get_drvdata(&pdev->dev);
 
-	clk_bulk_disable_unprepare(VA_NUM_CLKS_MAX, va->clks);
+	clk_disable_unprepare(va->mclk);
+	clk_disable_unprepare(va->dcodec);
+	clk_disable_unprepare(va->macro);
 
 	return 0;
 }
-- 
2.21.0