linux-kernel - [PATCH v3 2/5] clk: mediatek: modify MT7622 audsys to adapt MFD device

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Date:   Mon, 12 Feb 2018 19:28:48 +0800
From:   Ryder Lee <ryder.lee@...iatek.com>
To:     Stephen Boyd <sboyd@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     Mark Brown <broonie@...nel.org>, Lee Jones <lee.jones@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-clk@...r.kernel.org>,
        Garlic Tseng <garlic.tseng@...iatek.com>,
        Ryder Lee <ryder.lee@...iatek.com>
Subject: [PATCH v3 2/5] clk: mediatek: modify MT7622 audsys to adapt MFD device

As the new MFD device is in place, switch probing method to adapt it.

Signed-off-by: Ryder Lee <ryder.lee@...iatek.com>
---
 drivers/clk/mediatek/clk-mt7622-aud.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/mediatek/clk-mt7622-aud.c b/drivers/clk/mediatek/clk-mt7622-aud.c
index 13f752d..68c52a9 100644
--- a/drivers/clk/mediatek/clk-mt7622-aud.c
+++ b/drivers/clk/mediatek/clk-mt7622-aud.c
@@ -142,11 +142,16 @@ static int clk_mt7622_audiosys_init(struct platform_device *pdev)
 {
 	struct clk_onecell_data *clk_data;
 	struct device_node *node = pdev->dev.of_node;
+	struct device_node *pnode = pdev->dev.parent->of_node;
 	int r;
 
 	clk_data = mtk_alloc_clk_data(CLK_AUDIO_NR_CLK);
 
-	mtk_clk_register_gates(node, audio_clks, ARRAY_SIZE(audio_clks),
+	/* Check if called from MFD */
+	if (!pnode)
+		pnode = node;
+
+	mtk_clk_register_gates(pnode, audio_clks, ARRAY_SIZE(audio_clks),
 			       clk_data);
 
 	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
-- 
1.9.1