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clk: Constify clk_hw argument to provider APIs 

We don't modify the clk_hw argument in these functions, so it's
safe to mark it as const.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
hifive-unleashed-5.1
Stephen Boyd 2015-08-12 13:04:56 -07:00 committed by Michael Turquette
parent c1628a2c41
commit e7df6f6e21
2 changed files with 15 additions and 14 deletions
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15
drivers/clk/clk.c
View File

@ -278,7 +278,7 @@ const char *__clk_get_name(struct clk *clk)
}
EXPORT_SYMBOL_GPL(__clk_get_name);
const char *clk_hw_get_name(struct clk_hw *hw)
const char *clk_hw_get_name(const struct clk_hw *hw)
{
return hw->core->name;
}
@ -290,13 +290,13 @@ struct clk_hw *__clk_get_hw(struct clk *clk)
}
EXPORT_SYMBOL_GPL(__clk_get_hw);
unsigned int clk_hw_get_num_parents(struct clk_hw *hw)
unsigned int clk_hw_get_num_parents(const struct clk_hw *hw)
{
return hw->core->num_parents;
}
EXPORT_SYMBOL_GPL(clk_hw_get_num_parents);
struct clk_hw *clk_hw_get_parent(struct clk_hw *hw)
struct clk_hw *clk_hw_get_parent(const struct clk_hw *hw)
{
return hw->core->parent ? hw->core->parent->hw : NULL;
}
@ -359,7 +359,8 @@ static struct clk_core *clk_core_get_parent_by_index(struct clk_core *core,
return core->parents[index];
}
struct clk_hw *clk_hw_get_parent_by_index(struct clk_hw *hw, unsigned int index)
struct clk_hw *
clk_hw_get_parent_by_index(const struct clk_hw *hw, unsigned int index)
{
struct clk_core *parent;
@ -395,7 +396,7 @@ out:
return ret;
}
unsigned long clk_hw_get_rate(struct clk_hw *hw)
unsigned long clk_hw_get_rate(const struct clk_hw *hw)
{
return clk_core_get_rate_nolock(hw->core);
}
@ -415,13 +416,13 @@ unsigned long __clk_get_flags(struct clk *clk)
}
EXPORT_SYMBOL_GPL(__clk_get_flags);
unsigned long clk_hw_get_flags(struct clk_hw *hw)
unsigned long clk_hw_get_flags(const struct clk_hw *hw)
{
return hw->core->flags;
}
EXPORT_SYMBOL_GPL(clk_hw_get_flags);
bool clk_hw_is_prepared(struct clk_hw *hw)
bool clk_hw_is_prepared(const struct clk_hw *hw)
{
return clk_core_is_prepared(hw->core);
}

14
include/linux/clk-provider.h
View File

@ -607,17 +607,17 @@ void devm_clk_unregister(struct device *dev, struct clk *clk);
/* helper functions */
const char *__clk_get_name(struct clk *clk);
const char *clk_hw_get_name(struct clk_hw *hw);
const char *clk_hw_get_name(const struct clk_hw *hw);
struct clk_hw *__clk_get_hw(struct clk *clk);
unsigned int clk_hw_get_num_parents(struct clk_hw *hw);
struct clk_hw *clk_hw_get_parent(struct clk_hw *hw);
struct clk_hw *clk_hw_get_parent_by_index(struct clk_hw *hw,
unsigned int clk_hw_get_num_parents(const struct clk_hw *hw);
struct clk_hw *clk_hw_get_parent(const struct clk_hw *hw);
struct clk_hw *clk_hw_get_parent_by_index(const struct clk_hw *hw,
unsigned int index);
unsigned int __clk_get_enable_count(struct clk *clk);
unsigned long clk_hw_get_rate(struct clk_hw *hw);
unsigned long clk_hw_get_rate(const struct clk_hw *hw);
unsigned long __clk_get_flags(struct clk *clk);
unsigned long clk_hw_get_flags(struct clk_hw *hw);
bool clk_hw_is_prepared(struct clk_hw *hw);
unsigned long clk_hw_get_flags(const struct clk_hw *hw);
bool clk_hw_is_prepared(const struct clk_hw *hw);
bool __clk_is_enabled(struct clk *clk);
struct clk *__clk_lookup(const char *name);
int __clk_mux_determine_rate(struct clk_hw *hw,