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clk: mux: Declare u32 *table parameter as const

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The elements of the table are never modified in clk-mux.c. To make this
clear to clock drivers, declare the parameter as const u32 *table.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20220205103613.1216218-4-j.neuschaefer@gmx.net
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Jonathan Neuschäfer 2022-02-05 11:36:09 +01:00 committed by Stephen Boyd
parent 2eb3b3f0e8
commit 891b702301
2 changed files with 11 additions and 11 deletions
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10
drivers/clk/clk-mux.c
View File

@ -40,7 +40,7 @@ static inline void clk_mux_writel(struct clk_mux *mux, u32 val)
writel(val, mux->reg); writel(val, mux->reg);
} }
int clk_mux_val_to_index(struct clk_hw *hw, u32 *table, unsigned int flags, int clk_mux_val_to_index(struct clk_hw *hw, const u32 *table, unsigned int flags,
unsigned int val) unsigned int val)
{ {
int num_parents = clk_hw_get_num_parents(hw); int num_parents = clk_hw_get_num_parents(hw);
@ -67,7 +67,7 @@ int clk_mux_val_to_index(struct clk_hw *hw, u32 *table, unsigned int flags,
} }
EXPORT_SYMBOL_GPL(clk_mux_val_to_index); EXPORT_SYMBOL_GPL(clk_mux_val_to_index);
unsigned int clk_mux_index_to_val(u32 *table, unsigned int flags, u8 index) unsigned int clk_mux_index_to_val(const u32 *table, unsigned int flags, u8 index)
{ {
unsigned int val = index; unsigned int val = index;
@ -152,7 +152,7 @@ struct clk_hw *__clk_hw_register_mux(struct device *dev, struct device_node *np,
const struct clk_hw **parent_hws, const struct clk_hw **parent_hws,
const struct clk_parent_data *parent_data, const struct clk_parent_data *parent_data,
unsigned long flags, void __iomem *reg, u8 shift, u32 mask, unsigned long flags, void __iomem *reg, u8 shift, u32 mask,
u8 clk_mux_flags, u32 *table, spinlock_t *lock) u8 clk_mux_flags, const u32 *table, spinlock_t *lock)
{ {
struct clk_mux *mux; struct clk_mux *mux;
struct clk_hw *hw; struct clk_hw *hw;
@ -218,7 +218,7 @@ struct clk_hw *__devm_clk_hw_register_mux(struct device *dev, struct device_node
const struct clk_hw **parent_hws, const struct clk_hw **parent_hws,
const struct clk_parent_data *parent_data, const struct clk_parent_data *parent_data,
unsigned long flags, void __iomem *reg, u8 shift, u32 mask, unsigned long flags, void __iomem *reg, u8 shift, u32 mask,
u8 clk_mux_flags, u32 *table, spinlock_t *lock) u8 clk_mux_flags, const u32 *table, spinlock_t *lock)
{ {
struct clk_hw **ptr, *hw; struct clk_hw **ptr, *hw;
@ -244,7 +244,7 @@ EXPORT_SYMBOL_GPL(__devm_clk_hw_register_mux);
struct clk *clk_register_mux_table(struct device *dev, const char *name, struct clk *clk_register_mux_table(struct device *dev, const char *name,
const char * const *parent_names, u8 num_parents, const char * const *parent_names, u8 num_parents,
unsigned long flags, void __iomem *reg, u8 shift, u32 mask, unsigned long flags, void __iomem *reg, u8 shift, u32 mask,
u8 clk_mux_flags, u32 *table, spinlock_t *lock) u8 clk_mux_flags, const u32 *table, spinlock_t *lock)
{ {
struct clk_hw *hw; struct clk_hw *hw;

12
include/linux/clk-provider.h
View File

@ -888,7 +888,7 @@ void clk_hw_unregister_divider(struct clk_hw *hw);
struct clk_mux { struct clk_mux {
struct clk_hw hw; struct clk_hw hw;
void __iomem *reg; void __iomem *reg;
u32 *table; const u32 *table;
u32 mask; u32 mask;
u8 shift; u8 shift;
u8 flags; u8 flags;
@ -913,18 +913,18 @@ struct clk_hw *__clk_hw_register_mux(struct device *dev, struct device_node *np,
const struct clk_hw **parent_hws, const struct clk_hw **parent_hws,
const struct clk_parent_data *parent_data, const struct clk_parent_data *parent_data,
unsigned long flags, void __iomem *reg, u8 shift, u32 mask, unsigned long flags, void __iomem *reg, u8 shift, u32 mask,
u8 clk_mux_flags, u32 *table, spinlock_t *lock); u8 clk_mux_flags, const u32 *table, spinlock_t *lock);
struct clk_hw *__devm_clk_hw_register_mux(struct device *dev, struct device_node *np, struct clk_hw *__devm_clk_hw_register_mux(struct device *dev, struct device_node *np,
const char *name, u8 num_parents, const char *name, u8 num_parents,
const char * const *parent_names, const char * const *parent_names,
const struct clk_hw **parent_hws, const struct clk_hw **parent_hws,
const struct clk_parent_data *parent_data, const struct clk_parent_data *parent_data,
unsigned long flags, void __iomem *reg, u8 shift, u32 mask, unsigned long flags, void __iomem *reg, u8 shift, u32 mask,
u8 clk_mux_flags, u32 *table, spinlock_t *lock); u8 clk_mux_flags, const u32 *table, spinlock_t *lock);
struct clk *clk_register_mux_table(struct device *dev, const char *name, struct clk *clk_register_mux_table(struct device *dev, const char *name,
const char * const *parent_names, u8 num_parents, const char * const *parent_names, u8 num_parents,
unsigned long flags, void __iomem *reg, u8 shift, u32 mask, unsigned long flags, void __iomem *reg, u8 shift, u32 mask,
u8 clk_mux_flags, u32 *table, spinlock_t *lock); u8 clk_mux_flags, const u32 *table, spinlock_t *lock);
#define clk_register_mux(dev, name, parent_names, num_parents, flags, reg, \ #define clk_register_mux(dev, name, parent_names, num_parents, flags, reg, \
shift, width, clk_mux_flags, lock) \ shift, width, clk_mux_flags, lock) \
@ -962,9 +962,9 @@ struct clk *clk_register_mux_table(struct device *dev, const char *name,
(shift), BIT((width)) - 1, (clk_mux_flags), \ (shift), BIT((width)) - 1, (clk_mux_flags), \
NULL, (lock)) NULL, (lock))
int clk_mux_val_to_index(struct clk_hw *hw, u32 *table, unsigned int flags, int clk_mux_val_to_index(struct clk_hw *hw, const u32 *table, unsigned int flags,
unsigned int val); unsigned int val);
unsigned int clk_mux_index_to_val(u32 *table, unsigned int flags, u8 index); unsigned int clk_mux_index_to_val(const u32 *table, unsigned int flags, u8 index);
void clk_unregister_mux(struct clk *clk); void clk_unregister_mux(struct clk *clk);
void clk_hw_unregister_mux(struct clk_hw *hw); void clk_hw_unregister_mux(struct clk_hw *hw);