From: Jeffy Chen Date: Thu, 6 Apr 2017 12:31:19 +0000 (+0800) Subject: drm/rockchip: cdn-dp: Don't unregister audio dev when unbinding X-Git-Tag: android-x86-8.1-r1~2144^2~62^2~641 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=88582f5646927348d31424fa8bdb0f2d97a046c0;p=android-x86%2Fkernel.git drm/rockchip: cdn-dp: Don't unregister audio dev when unbinding 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 Signed-off-by: Sean Paul Link: http://patchwork.freedesktop.org/patch/msgid/1491481885-13775-7-git-send-email-jeffy.chen@rock-chips.com --- diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c index ee4195d6592c..a2169dd3d26b 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);