From: Jeffy Chen <jeffy.chen@xxxxxxxxxxxxxx> We're trying to lock mutex when cdn-dp shutdown, so we need to make sure the mutex is inited in cdn-dp's probe. Signed-off-by: Jeffy Chen <jeffy.chen at rock-chips.com> Reviewed-by: Guenter Roeck <groeck at chromium.org> Reviewed-by: Chris Zhong <zyw at rock-chips.com> Signed-off-by: Chris Zhong <zyw at rock-chips.com> --- Changes in v17: None drivers/gpu/drm/rockchip/cdn-dp-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c index 62e02a4..799e826 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-core.c +++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c @@ -1041,7 +1041,6 @@ static int cdn_dp_bind(struct device *dev, struct device *master, void *data) dp->connected = false; dp->active = false; - mutex_init(&dp->lock); INIT_WORK(&dp->event_work, cdn_dp_pd_event_work); encoder = &dp->encoder; @@ -1204,6 +1203,7 @@ static int cdn_dp_probe(struct platform_device *pdev) return -EINVAL; } + mutex_init(&dp->lock); dev_set_drvdata(dev, dp); return component_add(dev, &cdn_dp_component_ops); -- 2.6.3