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Subject[PATCH 6/8] drm/mediatek: Add mfd support for mt8173
Date
Use the MFD device for SoC mt8173. Probing via devicetree
is no longer needed for any SoC, so delete it.

Signed-off-by: Matthias Brugger <mbrugger@suse.com>
---
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 28 +++++++---------------------
1 file changed, 7 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 5a263aa3ab6e..1eb02acf229a 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -409,20 +409,12 @@ static int mtk_drm_probe(struct platform_device *pdev)
INIT_WORK(&private->commit.work, mtk_atomic_work);
private->data = of_device_get_match_data(dev);

- /* Check if called from mfd */
- if (!dev->of_node) {
- mmsys_private = dev_get_drvdata(pdev->dev.parent);
- private->data = (struct mtk_mmsys_driver_data *)
- platform_get_device_id(pdev)->driver_data;
- private->config_regs =
- syscon_node_to_regmap(mmsys_private->of_node);
- parent_node = mmsys_private->of_node->parent;
- } else {
- private->config_regs = syscon_node_to_regmap(dev->of_node);
- if (IS_ERR(private->config_regs))
- return PTR_ERR(private->config_regs);
- parent_node = dev->of_node->parent;
- }
+ mmsys_private = dev_get_drvdata(pdev->dev.parent);
+ private->data = (struct mtk_mmsys_driver_data *)
+ platform_get_device_id(pdev)->driver_data;
+ private->config_regs =
+ syscon_node_to_regmap(mmsys_private->of_node);
+ parent_node = mmsys_private->of_node->parent;

/* Iterate over sibling DISP function blocks */
for_each_child_of_node(parent_node, node) {
@@ -565,14 +557,9 @@ static int mtk_drm_sys_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(mtk_drm_pm_ops, mtk_drm_sys_suspend,
mtk_drm_sys_resume);

-static const struct of_device_id mtk_drm_of_ids[] = {
- { .compatible = "mediatek,mt8173-mmsys",
- .data = &mt8173_mmsys_driver_data},
- { }
-};
-
static const struct platform_device_id mtk_drm_ids[] = {
{ "drm-mt2701-mm", (kernel_ulong_t)&mt2701_mmsys_driver_data },
+ { "drm-mt8173-mm", (kernel_ulong_t)&mt8173_mmsys_driver_data },
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(platform, mtk_drm_ids);
@@ -582,7 +569,6 @@ static struct platform_driver mtk_drm_platform_driver = {
.remove = mtk_drm_remove,
.driver = {
.name = "mediatek-drm",
- .of_match_table = mtk_drm_of_ids,
.pm = &mtk_drm_pm_ops,
},
.id_table = mtk_drm_ids,
--
2.14.2
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