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From:   matthias.bgg@kernel.org
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        ck.hu@mediatek.com, p.zabel@pengutronix.de, airlied@linux.ie,
        robh+dt@kernel.org, mark.rutland@arm.com, mturquette@baylibre.com,
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        linux-mediatek@lists.infradead.org,
        Matthias Brugger <mbrugger@suse.com>
Subject: [v3 08/10] clk: mediatek: mt8173-mm: switch to mfd device
Date:   Fri, 27 Apr 2018 11:24:00 +0200
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From: Matthias Brugger <mbrugger@suse.com>

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@suse.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
---
 drivers/clk/mediatek/clk-mt8173.c | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c
index 96c292c3e440..e31b3ee3e968 100644
--- a/drivers/clk/mediatek/clk-mt8173.c
+++ b/drivers/clk/mediatek/clk-mt8173.c
@@ -15,6 +15,7 @@
 #include <linux/clk.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
+#include <linux/platform_device.h>
 
 #include "clk-mtk.h"
 #include "clk-gate.h"
@@ -791,7 +792,7 @@ static const struct mtk_gate_regs mm1_cg_regs __initconst = {
 		.ops = &mtk_clk_gate_ops_setclr,		\
 	}
 
-static const struct mtk_gate mm_clks[] __initconst = {
+static const struct mtk_gate mm_clks[] = {
 	/* MM0 */
 	GATE_MM0(CLK_MM_SMI_COMMON, "mm_smi_common", "mm_sel", 0),
 	GATE_MM0(CLK_MM_SMI_LARB0, "mm_smi_larb0", "mm_sel", 1),
@@ -1152,10 +1153,13 @@ 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;
+
+	node = pdev->dev.parent->of_node;
 
 	clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
 
@@ -1166,8 +1170,17 @@ 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)
 {
-- 
2.16.3