diff mbox

[6/8] drm/mediatek: Add mfd support for mt8173

Message ID 20171114214114.15793-7-mbrugger@suse.com (mailing list archive)
State New, archived
Headers show

Commit Message

Matthias Brugger Nov. 14, 2017, 9:41 p.m. UTC
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(-)

Comments

CK Hu (胡俊光) Nov. 23, 2017, 8:51 a.m. UTC | #1
Hi, Matthias:

On Tue, 2017-11-14 at 22:41 +0100, Matthias Brugger wrote:
> 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>

Acked-by: CK Hu <ck.hu@mediatek.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,
Philipp Zabel Nov. 23, 2017, 9:13 a.m. UTC | #2
On Tue, 2017-11-14 at 22:41 +0100, Matthias Brugger wrote:
> 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>

Apart from the mmsys_private issue noted in previous patches,

Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>

regards
Philipp
diff mbox

Patch

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,