[PATCH 6/8] drm/mediatek: Add mfd support for mt8173
From: matthias.bgg@gmail.com (Matthias Brugger)
Date: 2017-11-14 21:44:21
Also in:
dri-devel, linux-clk, linux-mediatek, lkml
Subsystem:
drm drivers, drm drivers for mediatek, the rest · Maintainers:
David Airlie, Simona Vetter, Chun-Kuang Hu, Philipp Zabel, Linus Torvalds
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