linux-kernel - [PATCH] clk: Constify parent name arrays

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Date:	Wed, 21 Mar 2012 19:15:07 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Mike Turquette <mturquette@...aro.org>,
	Arnd Bergmann <arnd@...db.de>,
	Russell King <linux@....linux.org.uk>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH] clk: Constify parent name arrays

Drivers should be able to declare their arrays of parent names as const
so the APIs need to accept const arguments.

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
---

We should probably have a MAINTAINERS entry for the clk API...

 drivers/clk/clk-mux.c        |    2 +-
 drivers/clk/clk.c            |    2 +-
 include/linux/clk-private.h  |    2 +-
 include/linux/clk-provider.h |    4 ++--
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c
index c71ad1f..bf9f42e 100644
--- a/drivers/clk/clk-mux.c
+++ b/drivers/clk/clk-mux.c
@@ -91,7 +91,7 @@ struct clk_ops clk_mux_ops = {
 EXPORT_SYMBOL_GPL(clk_mux_ops);
 
 struct clk *clk_register_mux(struct device *dev, const char *name,
-		char **parent_names, u8 num_parents, unsigned long flags,
+		const char **parent_names, u8 num_parents, unsigned long flags,
 		void __iomem *reg, u8 shift, u8 width,
 		u8 clk_mux_flags, spinlock_t *lock)
 {
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 9cf6f59..33ef0df 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1322,7 +1322,7 @@ out:
  */
 struct clk *clk_register(struct device *dev, const char *name,
 		const struct clk_ops *ops, struct clk_hw *hw,
-		char **parent_names, u8 num_parents, unsigned long flags)
+		const char **parent_names, u8 num_parents, unsigned long flags)
 {
 	struct clk *clk;
 
diff --git a/include/linux/clk-private.h b/include/linux/clk-private.h
index 5e4312b..164e115 100644
--- a/include/linux/clk-private.h
+++ b/include/linux/clk-private.h
@@ -30,7 +30,7 @@ struct clk {
 	const struct clk_ops	*ops;
 	struct clk_hw		*hw;
 	struct clk		*parent;
-	char			**parent_names;
+	const char		**parent_names;
 	struct clk		**parents;
 	u8			num_parents;
 	unsigned long		rate;
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 5508897..1fa0b0d 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -253,7 +253,7 @@ struct clk_mux {
 #define CLK_MUX_INDEX_BIT		BIT(1)
 
 struct clk *clk_register_mux(struct device *dev, const char *name,
-		char **parent_names, u8 num_parents, unsigned long flags,
+		const char **parent_names, u8 num_parents, unsigned long flags,
 		void __iomem *reg, u8 shift, u8 width,
 		u8 clk_mux_flags, spinlock_t *lock);
 
@@ -274,7 +274,7 @@ struct clk *clk_register_mux(struct device *dev, const char *name,
  */
 struct clk *clk_register(struct device *dev, const char *name,
 		const struct clk_ops *ops, struct clk_hw *hw,
-		char **parent_names, u8 num_parents, unsigned long flags);
+		const char **parent_names, u8 num_parents, unsigned long flags);
 
 /* helper functions */
 const char *__clk_get_name(struct clk *clk);
-- 
1.7.9.1

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