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Subject[PATCH v4 06/12] drm/rockchip: cdn-dp: Don't unregister audio dev when unbinding
Date
From: Jeffy Chen <jeffy.chen@rock-chips.com>

After snd_soc_unregister_codec, the dai link would remain bound to
the invalid codec. That would cause crashes after unbind dp driver.

Let's unregister audio codec when removing dp driver to prevent that.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: Your Name <you@example.com>
---

Changes in v4: None
Changes in v3:
Update commit message.

Changes in v2: None

drivers/gpu/drm/rockchip/cdn-dp-core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c
index ee4195d..a2169dd 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-core.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c
@@ -1092,8 +1092,6 @@ static int cdn_dp_bind(struct device *dev, struct device *master, void *data)
goto err_free_connector;
}

- cdn_dp_audio_codec_init(dp, dev);
-
for (i = 0; i < dp->ports; i++) {
port = dp->port[i];

@@ -1128,7 +1126,6 @@ static void cdn_dp_unbind(struct device *dev, struct device *master, void *data)
struct drm_connector *connector = &dp->connector;

cancel_work_sync(&dp->event_work);
- platform_device_unregister(dp->audio_pdev);
cdn_dp_encoder_disable(encoder);
encoder->funcs->destroy(encoder);
connector->funcs->destroy(connector);
@@ -1221,6 +1218,8 @@ static int cdn_dp_probe(struct platform_device *pdev)
mutex_init(&dp->lock);
dev_set_drvdata(dev, dp);

+ cdn_dp_audio_codec_init(dp, dev);
+
return component_add(dev, &cdn_dp_component_ops);
}

@@ -1228,6 +1227,7 @@ static int cdn_dp_remove(struct platform_device *pdev)
{
struct cdn_dp_device *dp = platform_get_drvdata(pdev);

+ platform_device_unregister(dp->audio_pdev);
cdn_dp_suspend(dp->dev);
component_del(&pdev->dev, &cdn_dp_component_ops);

--
2.1.4

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