linux-kernel - [PATCH v3 03/18] clk: qcom: gcc-ipq806x: add PXO

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Date:   Sun, 20 Mar 2022 12:34:15 +0100
From:   Ansuel Smith <ansuelsmth@...il.com>
To:     Rob Herring <robh+dt@...nel.org>, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.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 v3 03/18] clk: qcom: gcc-ipq806x: add PXO_SRC in clk table

PXO_SRC is currently defined in the gcc include and referenced in the
ipq8064 DTSI. Correctly provide a clk after gcc probe to fix kernel
panic if a driver starts to actually use it.

Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
---
 drivers/clk/qcom/gcc-ipq806x.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/clk/qcom/gcc-ipq806x.c b/drivers/clk/qcom/gcc-ipq806x.c
index 27f6d7626abb..7271d3afdc89 100644
--- a/drivers/clk/qcom/gcc-ipq806x.c
+++ b/drivers/clk/qcom/gcc-ipq806x.c
@@ -26,6 +26,8 @@
 #include "clk-hfpll.h"
 #include "reset.h"
 
+static struct clk_regmap pxo = { };
+
 static struct clk_pll pll0 = {
 	.l_reg = 0x30c4,
 	.m_reg = 0x30c8,
@@ -2754,6 +2756,7 @@ static struct clk_dyn_rcg ubi32_core2_src_clk = {
 };
 
 static struct clk_regmap *gcc_ipq806x_clks[] = {
+	[PXO_SRC] = NULL,
 	[PLL0] = &pll0.clkr,
 	[PLL0_VOTE] = &pll0_vote,
 	[PLL3] = &pll3.clkr,
@@ -3083,6 +3086,10 @@ static int gcc_ipq806x_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
+	clk = clk_get(dev, "pxo");
+	pxo.hw = *__clk_get_hw(clk);
+	gcc_ipq806x_clks[PXO_SRC] = &pxo;
+
 	regmap = dev_get_regmap(dev, NULL);
 	if (!regmap)
 		return -ENODEV;
-- 
2.34.1