From mboxrd@z Thu Jan 1 00:00:00 1970 From: you@example.com (Your Name) Date: Thu, 6 Apr 2017 20:22:17 +0800 Subject: [PATCH v4 06/12] drm/rockchip: cdn-dp: Don't unregister audio dev when unbinding In-Reply-To: <1491481343-11025-1-git-send-email-you@example.com> References: <1491481343-11025-1-git-send-email-you@example.com> Message-ID: <1491481343-11025-7-git-send-email-you@example.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Jeffy Chen 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: Your Name --- 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