linux-kernel - [PATCH v2 2/5] clk: qcom: hfpll: register as clock provider

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Date:   Thu, 12 Sep 2019 16:15:31 +0200
From:   Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
To:     jorge.ramirez-ortiz@...aro.org, sboyd@...nel.org,
        agross@...nel.org, mturquette@...libre.com,
        bjorn.andersson@...aro.org
Cc:     niklas.cassel@...aro.org, linux-arm-msm@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/5] clk: qcom: hfpll: register as clock provider

Make the output of the high frequency pll a clock provider.
On the QCS404 this PLL controls cpu frequency scaling.

Co-developed-by: Niklas Cassel <niklas.cassel@...aro.org>
Signed-off-by: Niklas Cassel <niklas.cassel@...aro.org>
Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Acked-by: Stephen Boyd <sboyd@...nel.org>
---
 drivers/clk/qcom/hfpll.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/qcom/hfpll.c b/drivers/clk/qcom/hfpll.c
index a6de7101430c..e64c0fd82fe4 100644
--- a/drivers/clk/qcom/hfpll.c
+++ b/drivers/clk/qcom/hfpll.c
@@ -57,6 +57,7 @@ static int qcom_hfpll_probe(struct platform_device *pdev)
 		.num_parents = 1,
 		.ops = &clk_ops_hfpll,
 	};
+	int ret;
 
 	h = devm_kzalloc(dev, sizeof(*h), GFP_KERNEL);
 	if (!h)
@@ -79,7 +80,14 @@ static int qcom_hfpll_probe(struct platform_device *pdev)
 	h->clkr.hw.init = &init;
 	spin_lock_init(&h->lock);
 
-	return devm_clk_register_regmap(&pdev->dev, &h->clkr);
+	ret = devm_clk_register_regmap(dev, &h->clkr);
+	if (ret) {
+		dev_err(dev, "failed to register regmap clock: %d\n", ret);
+		return ret;
+	}
+
+	return devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get,
+					   &h->clkr.hw);
 }
 
 static struct platform_driver qcom_hfpll_driver = {
-- 
2.23.0