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

Rohit kumar
2020-07-22T10:32:51Z

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@codeaurora.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@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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