[ Upstream commit f5a9ed867c83875546c9aadd4ed8e785e9adcc3c ]
For our component-backed driver to be properly removed, we need to
delete the component master in sun4i_drv_remove and make sure to call
component_unbind_all in the master's unbind so that all components are
unbound when the master is.
Fixes: 9026e0d122ac ("drm: Add Allwinner A10 Display Engine support")
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@xxxxxxxxxxx>
Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20190418132727.5128-4-paul.kocialkowski@xxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/sun4i/sun4i_drv.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c
index c6b65a9699794..9a5713fa03b25 100644
--- a/drivers/gpu/drm/sun4i/sun4i_drv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_drv.c
@@ -148,6 +148,8 @@ static void sun4i_drv_unbind(struct device *dev)
drm_mode_config_cleanup(drm);
of_reserved_mem_device_release(dev);
drm_dev_put(drm);
+
+ component_unbind_all(dev, NULL);
}
static const struct component_master_ops sun4i_drv_master_ops = {
@@ -395,6 +397,8 @@ static int sun4i_drv_probe(struct platform_device *pdev)
static int sun4i_drv_remove(struct platform_device *pdev)
{
+ component_master_del(&pdev->dev, &sun4i_drv_master_ops);
+
return 0;
}
--
2.20.1
