[PATCH v4 02/12] ASoC: qcom: lpass-cpu: Move ahbix clk to platform specific function

[Rohit kumar]

Ahbix clock is optional clock and not needed for all platforms.
Move it to lpass-apq8016/ipq806x as it is not needed for sc7180.

Signed-off-by: Rohit kumar <rohitkr at codeaurora.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
---
 sound/soc/qcom/lpass-apq8016.c | 27 ++++++++++++++++++++++++++
 sound/soc/qcom/lpass-cpu.c     | 40 ++++++++++-----------------------------
 sound/soc/qcom/lpass-ipq806x.c | 43 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 80 insertions(+), 30 deletions(-)

diff --git a/sound/soc/qcom/lpass-apq8016.c b/sound/soc/qcom/lpass-apq8016.c
index 8210e37..fe4c258 100644
--- a/sound/soc/qcom/lpass-apq8016.c
+++ b/sound/soc/qcom/lpass-apq8016.c
@@ -185,7 +185,33 @@ static int apq8016_lpass_init(struct platform_device *pdev)
 		return ret;
 	}
 
+	drvdata->ahbix_clk = devm_clk_get(dev, "ahbix-clk");
+	if (IS_ERR(drvdata->ahbix_clk)) {
+		dev_err(dev, "error getting ahbix-clk: %ld\n",
+				PTR_ERR(drvdata->ahbix_clk));
+		ret = PTR_ERR(drvdata->ahbix_clk);
+		goto err_ahbix_clk;
+	}
+
+	ret = clk_set_rate(drvdata->ahbix_clk, LPASS_AHBIX_CLOCK_FREQUENCY);
+	if (ret) {
+		dev_err(dev, "error setting rate on ahbix_clk: %d\n", ret);
+		goto err_ahbix_clk;
+	}
+	dev_dbg(dev, "set ahbix_clk rate to %lu\n",
+			clk_get_rate(drvdata->ahbix_clk));
+
+	ret = clk_prepare_enable(drvdata->ahbix_clk);
+	if (ret) {
+		dev_err(dev, "error enabling ahbix_clk: %d\n", ret);
+		goto err_ahbix_clk;
+	}
+
 	return 0;
+
+err_ahbix_clk:
+	clk_bulk_disable_unprepare(drvdata->num_clks, drvdata->clks);
+	return ret;
 }
 
 static int apq8016_lpass_exit(struct platform_device *pdev)
@@ -193,6 +219,7 @@ static int apq8016_lpass_exit(struct platform_device *pdev)
 	struct lpass_data *drvdata = platform_get_drvdata(pdev);
 
 	clk_bulk_disable_unprepare(drvdata->num_clks, drvdata->clks);
+	clk_disable_unprepare(drvdata->ahbix_clk);
 
 	return 0;
 }
diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c
index e00a4af..f0c7e93 100644
--- a/sound/soc/qcom/lpass-cpu.c
+++ b/sound/soc/qcom/lpass-cpu.c
@@ -566,8 +566,13 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
 		return PTR_ERR(drvdata->lpaif_map);
 	}
 
-	if (variant->init)
-		variant->init(pdev);
+	if (variant->init) {
+		ret = variant->init(pdev);
+		if (ret) {
+			dev_err(dev, "error initializing variant: %d\n", ret);
+			return ret;
+		}
+	}
 
 	for (i = 0; i < variant->num_dai; i++) {
 		dai_id = variant->dai_driver[i].id;
@@ -594,46 +599,22 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
 		}
 	}
 
-	drvdata->ahbix_clk = devm_clk_get(dev, "ahbix-clk");
-	if (IS_ERR(drvdata->ahbix_clk)) {
-		dev_err(dev, "error getting ahbix-clk: %ld\n",
-			PTR_ERR(drvdata->ahbix_clk));
-		return PTR_ERR(drvdata->ahbix_clk);
-	}
-
-	ret = clk_set_rate(drvdata->ahbix_clk, LPASS_AHBIX_CLOCK_FREQUENCY);
-	if (ret) {
-		dev_err(dev, "error setting rate on ahbix_clk: %d\n", ret);
-		return ret;
-	}
-	dev_dbg(dev, "set ahbix_clk rate to %lu\n",
-		clk_get_rate(drvdata->ahbix_clk));
-
-	ret = clk_prepare_enable(drvdata->ahbix_clk);
-	if (ret) {
-		dev_err(dev, "error enabling ahbix_clk: %d\n", ret);
-		return ret;
-	}
-
 	ret = devm_snd_soc_register_component(dev,
 					      &lpass_cpu_comp_driver,
 					      variant->dai_driver,
 					      variant->num_dai);
 	if (ret) {
 		dev_err(dev, "error registering cpu driver: %d\n", ret);
-		goto err_clk;
+		goto err;
 	}
 
 	ret = asoc_qcom_lpass_platform_register(pdev);
 	if (ret) {
 		dev_err(dev, "error registering platform driver: %d\n", ret);
-		goto err_clk;
+		goto err;
 	}
 
-	return 0;
-
-err_clk:
-	clk_disable_unprepare(drvdata->ahbix_clk);
+err:
 	return ret;
 }
 EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_platform_probe);
@@ -645,7 +626,6 @@ int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev)
 	if (drvdata->variant->exit)
 		drvdata->variant->exit(pdev);
 
-	clk_disable_unprepare(drvdata->ahbix_clk);
 
 	return 0;
 }
diff --git a/sound/soc/qcom/lpass-ipq806x.c b/sound/soc/qcom/lpass-ipq806x.c
index 1987605..b7c0586 100644
--- a/sound/soc/qcom/lpass-ipq806x.c
+++ b/sound/soc/qcom/lpass-ipq806x.c
@@ -55,6 +55,47 @@ static struct snd_soc_dai_driver ipq806x_lpass_cpu_dai_driver = {
 	.ops    = &asoc_qcom_lpass_cpu_dai_ops,
 };
 
+static int ipq806x_lpass_init(struct platform_device *pdev)
+{
+	struct lpass_data *drvdata = platform_get_drvdata(pdev);
+	struct device *dev = &pdev->dev;
+	int ret;
+
+	drvdata->ahbix_clk = devm_clk_get(dev, "ahbix-clk");
+	if (IS_ERR(drvdata->ahbix_clk)) {
+		dev_err(dev, "error getting ahbix-clk: %ld\n",
+				PTR_ERR(drvdata->ahbix_clk));
+		ret = PTR_ERR(drvdata->ahbix_clk);
+		goto err_ahbix_clk;
+	}
+
+	ret = clk_set_rate(drvdata->ahbix_clk, LPASS_AHBIX_CLOCK_FREQUENCY);
+	if (ret) {
+		dev_err(dev, "error setting rate on ahbix_clk: %d\n", ret);
+		goto err_ahbix_clk;
+	}
+	dev_dbg(dev, "set ahbix_clk rate to %lu\n",
+			clk_get_rate(drvdata->ahbix_clk));
+
+	ret = clk_prepare_enable(drvdata->ahbix_clk);
+	if (ret) {
+		dev_err(dev, "error enabling ahbix_clk: %d\n", ret);
+		goto err_ahbix_clk;
+	}
+
+err_ahbix_clk:
+	return ret;
+}
+
+static int ipq806x_lpass_exit(struct platform_device *pdev)
+{
+	struct lpass_data *drvdata = platform_get_drvdata(pdev);
+
+	clk_disable_unprepare(drvdata->ahbix_clk);
+
+	return 0;
+}
+
 static int ipq806x_lpass_alloc_dma_channel(struct lpass_data *drvdata, int dir)
 {
 	if (dir == SNDRV_PCM_STREAM_PLAYBACK)
@@ -90,6 +131,8 @@ static struct lpass_variant ipq806x_data = {
 	.dai_bit_clk_names	= (const char *[]) {
 				"mi2s-bit-clk",
 				},
+	.init			= ipq806x_lpass_init,
+	.exit			= ipq806x_lpass_exit,
 	.alloc_dma_channel	= ipq806x_lpass_alloc_dma_channel,
 	.free_dma_channel	= ipq806x_lpass_free_dma_channel,
 };
-- 
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