[PATCH v5 14/32] drm/imx: Migrate to aggregate driver

[Stephen Boyd]

Use an aggregate driver instead of component ops so that we can get
proper driver probe ordering of the aggregate device with respect to all
the component devices that make up the aggregate device.

Cc: Philipp Zabel <p.zabel at pengutronix.de>
Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
Cc: "Rafael J. Wysocki" <rafael at kernel.org>
Cc: Rob Clark <robdclark at gmail.com>
Cc: Russell King <rmk+kernel at arm.linux.org.uk>
Cc: Saravana Kannan <saravanak at google.com>
Signed-off-by: Stephen Boyd <swboyd at chromium.org>
---
 drivers/gpu/drm/imx/imx-drm-core.c | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index cb685fe2039b..9e28bb16364c 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -196,8 +196,9 @@ static int compare_of(struct device *dev, void *data)
 	return dev->of_node == np;
 }
 
-static int imx_drm_bind(struct device *dev)
+static int imx_drm_bind(struct aggregate_device *adev)
 {
+	struct device *dev = adev->parent;
 	struct drm_device *drm;
 	int ret;
 
@@ -264,8 +265,9 @@ static int imx_drm_bind(struct device *dev)
 	return ret;
 }
 
-static void imx_drm_unbind(struct device *dev)
+static void imx_drm_unbind(struct aggregate_device *adev)
 {
+	struct device *dev = adev->parent;
 	struct drm_device *drm = dev_get_drvdata(dev);
 
 	drm_dev_unregister(drm);
@@ -279,14 +281,18 @@ static void imx_drm_unbind(struct device *dev)
 	dev_set_drvdata(dev, NULL);
 }
 
-static const struct component_master_ops imx_drm_ops = {
-	.bind = imx_drm_bind,
-	.unbind = imx_drm_unbind,
+static struct aggregate_driver imx_drm_aggregate_driver = {
+	.probe = imx_drm_bind,
+	.remove = imx_drm_unbind,
+	.driver = {
+		.name = "imx_drm",
+		.owner = THIS_MODULE,
+	},
 };
 
 static int imx_drm_platform_probe(struct platform_device *pdev)
 {
-	int ret = drm_of_component_probe(&pdev->dev, compare_of, &imx_drm_ops);
+	int ret = drm_of_aggregate_probe(&pdev->dev, compare_of, &imx_drm_aggregate_driver);
 
 	if (!ret)
 		ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
@@ -296,7 +302,7 @@ static int imx_drm_platform_probe(struct platform_device *pdev)
 
 static int imx_drm_platform_remove(struct platform_device *pdev)
 {
-	component_master_del(&pdev->dev, &imx_drm_ops);
+	component_aggregate_unregister(&pdev->dev, &imx_drm_aggregate_driver);
 	return 0;
 }
 
-- 
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