[PATCH 7/8] clk: mediatek: mt8173-mm: switch to mfd device

[Matthias Brugger <matthias.bgg@xxxxxxxxx>]

As the new mfd device is in place, switch probing
for the MMSYS to support invocation from the mfd device.

Signed-off-by: Matthias Brugger <mbrugger@xxxxxxxx>
---
 drivers/clk/mediatek/clk-mt8173.c | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c
index 96c292c3e440..0fd39228eef4 100644
--- a/drivers/clk/mediatek/clk-mt8173.c
+++ b/drivers/clk/mediatek/clk-mt8173.c
@@ -13,8 +13,10 @@
  */
 
 #include <linux/clk.h>
+#include <linux/mfd/mmsys.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
+#include <linux/platform_device.h>
 
 #include "clk-mtk.h"
 #include "clk-gate.h"
@@ -1152,10 +1154,16 @@ static void __init mtk_imgsys_init(struct device_node *node)
 }
 CLK_OF_DECLARE(mtk_imgsys, "mediatek,mt8173-imgsys", mtk_imgsys_init);
 
-static void __init mtk_mmsys_init(struct device_node *node)
+static int mtk_mmsys_probe(struct platform_device *pdev)
 {
 	struct clk_onecell_data *clk_data;
 	int r;
+	struct device_node *node;
+	struct mmsys_dev *mmsys_private;
+
+	mmsys_private = dev_get_drvdata(pdev->dev.parent);
+	node = mmsys_private->of_node;
+
 
 	clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
 
@@ -1166,8 +1174,17 @@ static void __init mtk_mmsys_init(struct device_node *node)
 	if (r)
 		pr_err("%s(): could not register clock provider: %d\n",
 			__func__, r);
+
+	return r;
 }
-CLK_OF_DECLARE(mtk_mmsys, "mediatek,mt8173-mmsys", mtk_mmsys_init);
+
+static struct platform_driver clk_mt8173_mm_drv = {
+	.probe = mtk_mmsys_probe,
+	.driver = {
+		.name = "clk-mt8173-mm",
+	},
+};
+builtin_platform_driver(clk_mt8173_mm_drv);
 
 static void __init mtk_vdecsys_init(struct device_node *node)
 {
-- 
2.14.2

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