linux-kernel - [PATCH v2 04/12] ASoC: qdsp6: q6adm: use of_platform

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Date:   Tue, 26 Jun 2018 10:20:08 +0100
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     broonie@...nel.org, robh+dt@...nel.org, alsa-devel@...a-project.org
Cc:     devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        lgirdwood@...il.com, bgoswami@...eaurora.org, tiwai@...e.com,
        perex@...ex.cz, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, niklas.cassel@...aro.org,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH v2 04/12] ASoC: qdsp6: q6adm: use of_platform_populate/depopulate()

Now that the child nodes have there own compatible strings,
Use of_platform_populate/depopulate() instead of less common
of_platform_device_create()/destroy().

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 sound/soc/qcom/qdsp6/q6adm.c | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/sound/soc/qcom/qdsp6/q6adm.c b/sound/soc/qcom/qdsp6/q6adm.c
index 9983c665a941..932c3ebfd252 100644
--- a/sound/soc/qcom/qdsp6/q6adm.c
+++ b/sound/soc/qcom/qdsp6/q6adm.c
@@ -64,7 +64,6 @@ struct q6adm {
 	struct aprv2_ibasic_rsp_result_t result;
 	struct mutex lock;
 	wait_queue_head_t matrix_map_wait;
-	struct platform_device *pdev_routing;
 };
 
 struct q6adm_cmd_device_open_v5 {
@@ -588,7 +587,6 @@ EXPORT_SYMBOL_GPL(q6adm_close);
 static int q6adm_probe(struct apr_device *adev)
 {
 	struct device *dev = &adev->dev;
-	struct device_node *dais_np;
 	struct q6adm *adm;
 
 	adm = devm_kzalloc(&adev->dev, sizeof(*adm), GFP_KERNEL);
@@ -605,22 +603,12 @@ static int q6adm_probe(struct apr_device *adev)
 	INIT_LIST_HEAD(&adm->copps_list);
 	spin_lock_init(&adm->copps_list_lock);
 
-	dais_np = of_get_child_by_name(dev->of_node, "routing");
-	if (dais_np) {
-		adm->pdev_routing = of_platform_device_create(dais_np,
-							   "q6routing", dev);
-		of_node_put(dais_np);
-	}
-
-	return 0;
+	return of_platform_populate(dev->of_node, NULL, NULL, dev);
 }
 
 static int q6adm_remove(struct apr_device *adev)
 {
-	struct q6adm *adm = dev_get_drvdata(&adev->dev);
-
-	if (adm->pdev_routing)
-		of_platform_device_destroy(&adm->pdev_routing->dev, NULL);
+	of_platform_depopulate(&adev->dev);
 
 	return 0;
 }
-- 
2.16.2