openwrt/target/linux/ipq806x/patches-6.1/001-v6.2-clk-qcom-kpss-xcc-register-it-as-clk-provider.patch

From 09be1a39e685d8c5edd471fd1cac9a8f8280d2de Mon Sep 17 00:00:00 2001
From: Christian Marangi <[email protected]>
Date: Tue, 8 Nov 2022 22:17:34 +0100
Subject: [PATCH] clk: qcom: kpss-xcc: register it as clk provider

krait-cc use this driver for the secondary mux. Register it as a clk
provider to correctly use this clk in other drivers.

Signed-off-by: Christian Marangi <[email protected]>
Signed-off-by: Bjorn Andersson <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
---
 drivers/clk/qcom/kpss-xcc.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

--- a/drivers/clk/qcom/kpss-xcc.c
+++ b/drivers/clk/qcom/kpss-xcc.c
@@ -31,12 +31,13 @@ MODULE_DEVICE_TABLE(of, kpss_xcc_match_t
 
 static int kpss_xcc_driver_probe(struct platform_device *pdev)
 {
+	struct device *dev = &pdev->dev;
 	const struct of_device_id *id;
 	void __iomem *base;
 	struct clk_hw *hw;
 	const char *name;
 
-	id = of_match_device(kpss_xcc_match_table, &pdev->dev);
+	id = of_match_device(kpss_xcc_match_table, dev);
 	if (!id)
 		return -ENODEV;
 
@@ -45,7 +46,7 @@ static int kpss_xcc_driver_probe(struct
 		return PTR_ERR(base);
 
 	if (id->data) {
-		if (of_property_read_string_index(pdev->dev.of_node,
+		if (of_property_read_string_index(dev->of_node,
 						  "clock-output-names",
 						  0, &name))
 			return -ENODEV;
@@ -55,12 +56,16 @@ static int kpss_xcc_driver_probe(struct
 		base += 0x28;
 	}
 
-	hw = devm_clk_hw_register_mux_parent_data_table(&pdev->dev, name, aux_parents,
+	hw = devm_clk_hw_register_mux_parent_data_table(dev, name, aux_parents,
 							ARRAY_SIZE(aux_parents), 0,
 							base, 0, 0x3,
 							0, aux_parent_map, NULL);
+	if (IS_ERR(hw))
+		return PTR_ERR(hw);
 
-	return PTR_ERR_OR_ZERO(hw);
+	of_clk_add_hw_provider(dev->of_node, of_clk_hw_simple_get, hw);
+
+	return 0;
 }
 
 static struct platform_driver kpss_xcc_driver = {