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From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: barebox@lists.infradead.org
Cc: Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: [PATCH 09/12] clk: implement of_clk_add_hw_provider
Date: Mon, 31 Jan 2022 08:57:22 +0100	[thread overview]
Message-ID: <20220131075725.1873026-10-a.fatoum@pengutronix.de> (raw)
In-Reply-To: <20220131075725.1873026-1-a.fatoum@pengutronix.de>

New Linux drivers rather use of_clk_add_hw_provider, so port it over.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 drivers/clk/clk.c   | 43 ++++++++++++++++++++++++++++++++++---------
 include/linux/clk.h | 13 +++++++++++++
 2 files changed, 47 insertions(+), 9 deletions(-)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 18373edbe40d..227ab75ed65d 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -561,6 +561,7 @@ struct of_clk_provider {
 
 	struct device_node *node;
 	struct clk *(*get)(struct of_phandle_args *clkspec, void *data);
+	struct clk_hw *(*get_hw)(struct of_phandle_args *clkspec, void *data);
 	void *data;
 };
 
@@ -591,15 +592,11 @@ struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec, void *data)
 }
 EXPORT_SYMBOL_GPL(of_clk_src_onecell_get);
 
-/**
- * of_clk_add_provider() - Register a clock provider for a node
- * @np: Device node pointer associated with clock provider
- * @clk_src_get: callback for decoding clock
- * @data: context pointer for @clk_src_get callback.
- */
-int of_clk_add_provider(struct device_node *np,
+static int __of_clk_add_provider(struct device_node *np,
 			struct clk *(*clk_src_get)(struct of_phandle_args *clkspec,
 						   void *data),
+			struct clk_hw *(*clk_hw_src_get)(struct of_phandle_args *clkspec,
+						   void *data),
 			void *data)
 {
 	struct of_clk_provider *cp;
@@ -611,6 +608,7 @@ int of_clk_add_provider(struct device_node *np,
 	cp->node = np;
 	cp->data = data;
 	cp->get = clk_src_get;
+	cp->get_hw = clk_hw_src_get;
 
 	list_add(&cp->link, &of_clk_providers);
 	pr_debug("Added clock from %s\n", np ? np->full_name : "<none>");
@@ -619,8 +617,31 @@ int of_clk_add_provider(struct device_node *np,
 
 	return 0;
 }
+
+/**
+ * of_clk_add_provider() - Register a clock provider for a node
+ * @np: Device node pointer associated with clock provider
+ * @clk_src_get: callback for decoding clock
+ * @data: context pointer for @clk_src_get callback.
+ */
+int of_clk_add_provider(struct device_node *np,
+			struct clk *(*clk_src_get)(struct of_phandle_args *clkspec,
+						   void *data),
+			void *data)
+{
+	return __of_clk_add_provider(np, clk_src_get, NULL, data);
+}
 EXPORT_SYMBOL_GPL(of_clk_add_provider);
 
+int of_clk_add_hw_provider(struct device_node *np,
+			struct clk_hw *(*clk_hw_src_get)(struct of_phandle_args *clkspec,
+							 void *data),
+			void *data)
+{
+	return __of_clk_add_provider(np, NULL, clk_hw_src_get, data);
+}
+EXPORT_SYMBOL_GPL(of_clk_add_hw_provider);
+
 /**
  * of_clk_del_provider() - Remove a previously registered clock provider
  * @np: Device node pointer associated with clock provider
@@ -649,8 +670,12 @@ struct clk *of_clk_get_from_provider(struct of_phandle_args *clkspec)
 
 	/* Check if we have such a provider in our array */
 	list_for_each_entry(provider, &of_clk_providers, link) {
-		if (provider->node == clkspec->np)
-			clk = provider->get(clkspec, provider->data);
+		if (provider->node == clkspec->np) {
+			if (provider->get)
+				clk = provider->get(clkspec, provider->data);
+			else
+				clk = clk_hw_to_clk(provider->get_hw(clkspec, provider->data));
+		}
 		if (!IS_ERR(clk))
 			break;
 	}
diff --git a/include/linux/clk.h b/include/linux/clk.h
index 0aa29c4720fe..94ac7f288ad7 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -783,6 +783,11 @@ int of_clk_add_provider(struct device_node *np,
 						   void *data),
 			void *data);
 
+int of_clk_add_hw_provider(struct device_node *np,
+			struct clk_hw *(*clk_hw_src_get)(struct of_phandle_args *clkspec,
+							 void *data),
+			void *data);
+
 static inline unsigned int clk_hw_get_num_parents(const struct clk_hw *hw)
 {
 	return hw->clk.num_parents;
@@ -835,6 +840,14 @@ static inline int of_clk_add_provider(struct device_node *np,
 {
 	return 0;
 }
+
+static inline int of_clk_add_hw_provider(struct device_node *np,
+			struct clk_hw *(*clk_hw_src_get)(struct of_phandle_args *clkspec,
+							 void *data),
+			void *data)
+{
+	return 0;
+}
 #endif
 
 #define CLK_OF_DECLARE_DRIVER(name, compat, fn) CLK_OF_DECLARE(name, compat, fn)
-- 
2.30.2


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  parent reply	other threads:[~2022-01-31  8:00 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-31  7:57 [PATCH 00/12] clk: add STM32F429 clock driver support Ahmad Fatoum
2022-01-31  7:57 ` [PATCH 01/12] string: define new memdup_array Ahmad Fatoum
2022-01-31  7:57 ` [PATCH 02/12] clk: composite: add clk_hw registration functions Ahmad Fatoum
2022-01-31  7:57 ` [PATCH 03/12] clk: divider: " Ahmad Fatoum
2022-01-31  7:57 ` [PATCH 04/12] clk: fixed-factor: " Ahmad Fatoum
2022-01-31  7:57 ` [PATCH 05/12] clk: clk-fixed: " Ahmad Fatoum
2022-01-31  7:57 ` [PATCH 06/12] clk: define clk_hw_register Ahmad Fatoum
2022-01-31  7:57 ` [PATCH 07/12] clk: mux: add clk_hw registration functions Ahmad Fatoum
2022-01-31  7:57 ` [PATCH 08/12] clk: mux: export clk_mux_round_rate Ahmad Fatoum
2022-01-31  7:57 ` Ahmad Fatoum [this message]
2022-01-31  7:57 ` [PATCH 10/12] clk: gate: add clk_hw registration functions Ahmad Fatoum
2022-01-31  7:57 ` [PATCH 11/12] ARM: stm32mp: allow driver reuse for STM32 MCUs Ahmad Fatoum
2022-01-31  7:57 ` [PATCH 12/12] clk: add clock driver for stm32f4 and stm32f7 Ahmad Fatoum
2022-02-03 10:16 ` [PATCH 00/12] clk: add STM32F429 clock driver support Sascha Hauer

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