linux-kernel - [PATCH v2 3/4] clk: qcom: clk-rpm: convert to parent

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Date:   Thu,  7 Jul 2022 00:53:20 +0200
From:   Christian Marangi <ansuelsmth@...il.com>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Christian Marangi <ansuelsmth@...il.com>
Subject: [PATCH v2 3/4] clk: qcom: clk-rpm: convert to parent_data API

Convert clk-rpm driver to parent_data API.
We keep the old pxo/cxo_board parent naming to keep compatibility with
old DT and we use the new pxo/cxo for new implementation where these
clock are defined in DTS.

Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
---
 drivers/clk/qcom/clk-rpm.c | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/drivers/clk/qcom/clk-rpm.c b/drivers/clk/qcom/clk-rpm.c
index a18811c38018..747c473b0b5e 100644
--- a/drivers/clk/qcom/clk-rpm.c
+++ b/drivers/clk/qcom/clk-rpm.c
@@ -23,6 +23,14 @@
 #define QCOM_RPM_SCALING_ENABLE_ID			0x2
 #define QCOM_RPM_XO_MODE_ON				0x2
 
+static const struct clk_parent_data gcc_pxo[] = {
+	{ .fw_name = "pxo", .name = "pxo_board" },
+};
+
+static const struct clk_parent_data gcc_cxo[] = {
+	{ .fw_name = "cxo", .name = "cxo_board" },
+};
+
 #define DEFINE_CLK_RPM(_platform, _name, _active, r_id)			      \
 	static struct clk_rpm _platform##_##_active;			      \
 	static struct clk_rpm _platform##_##_name = {			      \
@@ -32,8 +40,8 @@
 		.hw.init = &(struct clk_init_data){			      \
 			.ops = &clk_rpm_ops,				      \
 			.name = #_name,					      \
-			.parent_names = (const char *[]){ "pxo_board" },      \
-			.num_parents = 1,				      \
+			.parent_data = gcc_pxo,				      \
+			.num_parents = ARRAY_SIZE(gcc_pxo),		      \
 		},							      \
 	};								      \
 	static struct clk_rpm _platform##_##_active = {			      \
@@ -44,8 +52,8 @@
 		.hw.init = &(struct clk_init_data){			      \
 			.ops = &clk_rpm_ops,				      \
 			.name = #_active,				      \
-			.parent_names = (const char *[]){ "pxo_board" },      \
-			.num_parents = 1,				      \
+			.parent_data = gcc_pxo,				      \
+			.num_parents = ARRAY_SIZE(gcc_pxo),		      \
 		},							      \
 	}
 
@@ -56,8 +64,8 @@
 		.hw.init = &(struct clk_init_data){			      \
 			.ops = &clk_rpm_xo_ops,			      \
 			.name = #_name,					      \
-			.parent_names = (const char *[]){ "cxo_board" },      \
-			.num_parents = 1,				      \
+			.parent_data = gcc_cxo,				      \
+			.num_parents = ARRAY_SIZE(gcc_cxo),		      \
 		},							      \
 	}
 
@@ -68,8 +76,8 @@
 		.hw.init = &(struct clk_init_data){			      \
 			.ops = &clk_rpm_fixed_ops,			      \
 			.name = #_name,					      \
-			.parent_names = (const char *[]){ "pxo" },	      \
-			.num_parents = 1,				      \
+			.parent_data = gcc_pxo,				      \
+			.num_parents = ARRAY_SIZE(gcc_pxo),		      \
 		},							      \
 	}
 
-- 
2.36.1