diff options
author | Jonathan Neuschäfer <j.neuschaefer@gmx.net> | 2022-02-05 11:36:09 +0100 |
---|---|---|
committer | Stephen Boyd <sboyd@kernel.org> | 2022-02-25 16:41:39 -0800 |
commit | 891b7023010cc0d62d814619b1893745d7613f7f (patch) | |
tree | bcafcbdbb6044d2c75bb8c36c5a5e8994f7d0475 | |
parent | 2eb3b3f0e87084a365321a61c9230fb16d94f1ec (diff) |
clk: mux: Declare u32 *table parameter as const
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>
-rw-r--r-- | drivers/clk/clk-mux.c | 10 | ||||
-rw-r--r-- | include/linux/clk-provider.h | 12 |
2 files changed, 11 insertions, 11 deletions
diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c index 20582aae7a35..214045f6e989 100644 --- a/drivers/clk/clk-mux.c +++ b/drivers/clk/clk-mux.c @@ -40,7 +40,7 @@ static inline void clk_mux_writel(struct clk_mux *mux, u32 val) 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) { 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); -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; @@ -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_parent_data *parent_data, 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_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_parent_data *parent_data, 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; @@ -244,7 +244,7 @@ EXPORT_SYMBOL_GPL(__devm_clk_hw_register_mux); struct clk *clk_register_mux_table(struct device *dev, const char *name, const char * const *parent_names, u8 num_parents, 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; diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 2faa6f7aa8a8..27be57528874 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -888,7 +888,7 @@ void clk_hw_unregister_divider(struct clk_hw *hw); struct clk_mux { struct clk_hw hw; void __iomem *reg; - u32 *table; + const u32 *table; u32 mask; u8 shift; 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_parent_data *parent_data, 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, const char *name, u8 num_parents, const char * const *parent_names, const struct clk_hw **parent_hws, const struct clk_parent_data *parent_data, 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, const char * const *parent_names, u8 num_parents, 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, \ 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), \ 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 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_hw_unregister_mux(struct clk_hw *hw); |