linux-kernel - [PATCH v5 02/18] clk: qcom: gcc-ipq806x: skip pxo/cxo fixed clk if already present

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Date:   Mon, 21 Mar 2022 16:38:39 +0100
From:   Ansuel Smith <ansuelsmth@...il.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Ansuel Smith <ansuelsmth@...il.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org
Subject: [PATCH v5 02/18] clk: qcom: gcc-ipq806x: skip pxo/cxo fixed clk if already present

Skip pxo/cxo clock registration if they are already defined in DTS as fixed
clock.

Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
---
 drivers/clk/qcom/gcc-ipq806x.c | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/drivers/clk/qcom/gcc-ipq806x.c b/drivers/clk/qcom/gcc-ipq806x.c
index d6b7adb4be38..27f6d7626abb 100644
--- a/drivers/clk/qcom/gcc-ipq806x.c
+++ b/drivers/clk/qcom/gcc-ipq806x.c
@@ -10,6 +10,7 @@
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
+#include <linux/clk.h>
 #include <linux/clk-provider.h>
 #include <linux/regmap.h>
 #include <linux/reset-controller.h>
@@ -3061,15 +3062,22 @@ static int gcc_ipq806x_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct regmap *regmap;
+	struct clk *clk;
 	int ret;
 
-	ret = qcom_cc_register_board_clk(dev, "cxo_board", "cxo", 25000000);
-	if (ret)
-		return ret;
+	clk = clk_get(dev, "cxo");
+	if (IS_ERR(clk)) {
+		ret = qcom_cc_register_board_clk(dev, "cxo_board", "cxo", 25000000);
+		if (ret)
+			return ret;
+	}
 
-	ret = qcom_cc_register_board_clk(dev, "pxo_board", "pxo", 25000000);
-	if (ret)
-		return ret;
+	clk = clk_get(dev, "pxo");
+	if (IS_ERR(clk)) {
+		ret = qcom_cc_register_board_clk(dev, "pxo_board", "pxo", 25000000);
+		if (ret)
+			return ret;
+	}
 
 	ret = qcom_cc_probe(pdev, &gcc_ipq806x_desc);
 	if (ret)
-- 
2.34.1