linux-kernel - [PATCH v4 3/9] clk: Prepare for clk registration API that uses DT nodes

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Date:   Fri, 12 Apr 2019 11:31:44 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Russell King <linux@...linux.org.uk>,
        Jeffrey Hugo <jhugo@...eaurora.org>,
        Chen-Yu Tsai <wens@...e.org>, Rob Herring <robh@...nel.org>
Subject: [PATCH v4 3/9] clk: Prepare for clk registration API that uses DT nodes

Split out the body of the clk_register() function so it can be shared
between the different types of registration APIs (DT, device).

Cc: Miquel Raynal <miquel.raynal@...tlin.com>
Cc: Jerome Brunet <jbrunet@...libre.com>
Cc: Russell King <linux@...linux.org.uk>
Cc: Michael Turquette <mturquette@...libre.com>
Cc: Jeffrey Hugo <jhugo@...eaurora.org>
Cc: Chen-Yu Tsai <wens@...e.org>
Cc: Rob Herring <robh@...nel.org>
Signed-off-by: Stephen Boyd <sboyd@...nel.org>
---
 drivers/clk/clk.c | 31 ++++++++++++++++++-------------
 1 file changed, 18 insertions(+), 13 deletions(-)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 96053a96fe2f..d27775a73e67 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -3313,18 +3313,7 @@ struct clk *clk_hw_create_clk(struct device *dev, struct clk_hw *hw,
 	return clk;
 }
 
-/**
- * clk_register - allocate a new clock, register it and return an opaque cookie
- * @dev: device that is registering this clock
- * @hw: link to hardware-specific clock data
- *
- * clk_register is the primary interface for populating the clock tree with new
- * clock nodes.  It returns a pointer to the newly allocated struct clk which
- * cannot be dereferenced by driver code but may be used in conjunction with the
- * rest of the clock API.  In the event of an error clk_register will return an
- * error code; drivers must test for an error code after calling clk_register.
- */
-struct clk *clk_register(struct device *dev, struct clk_hw *hw)
+static struct clk *__clk_register(struct device *dev, struct clk_hw *hw)
 {
 	int i, ret;
 	struct clk_core *core;
@@ -3426,6 +3415,22 @@ struct clk *clk_register(struct device *dev, struct clk_hw *hw)
 fail_out:
 	return ERR_PTR(ret);
 }
+
+/**
+ * clk_register - allocate a new clock, register it and return an opaque cookie
+ * @dev: device that is registering this clock
+ * @hw: link to hardware-specific clock data
+ *
+ * clk_register is the primary interface for populating the clock tree with new
+ * clock nodes.  It returns a pointer to the newly allocated struct clk which
+ * cannot be dereferenced by driver code but may be used in conjunction with the
+ * rest of the clock API.  In the event of an error clk_register will return an
+ * error code; drivers must test for an error code after calling clk_register.
+ */
+struct clk *clk_register(struct device *dev, struct clk_hw *hw)
+{
+	return __clk_register(dev, hw);
+}
 EXPORT_SYMBOL_GPL(clk_register);
 
 /**
@@ -3440,7 +3445,7 @@ EXPORT_SYMBOL_GPL(clk_register);
  */
 int clk_hw_register(struct device *dev, struct clk_hw *hw)
 {
-	return PTR_ERR_OR_ZERO(clk_register(dev, hw));
+	return PTR_ERR_OR_ZERO(__clk_register(dev, hw));
 }
 EXPORT_SYMBOL_GPL(clk_hw_register);
 
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