diff options
Diffstat (limited to 'arch/arm/plat-samsung/include/plat/clock.h')
-rw-r--r-- | arch/arm/plat-samsung/include/plat/clock.h | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/arch/arm/plat-samsung/include/plat/clock.h b/arch/arm/plat-samsung/include/plat/clock.h index d86af84..43324af 100644 --- a/arch/arm/plat-samsung/include/plat/clock.h +++ b/arch/arm/plat-samsung/include/plat/clock.h @@ -11,6 +11,30 @@ #include <linux/spinlock.h> +struct clk; + +/** + * struct clk_ops - standard clock operations + * @set_rate: set the clock rate, see clk_set_rate(). + * @get_rate: get the clock rate, see clk_get_rate(). + * @round_rate: round a given clock rate, see clk_round_rate(). + * @set_parent: set the clock's parent, see clk_set_parent(). + * + * Group the common clock implementations together so that we + * don't have to keep setting the same fiels again. We leave + * enable in struct clk. + * + * Adding an extra layer of indirection into the process should + * not be a problem as it is unlikely these operations are going + * to need to be called quickly. + */ +struct clk_ops { + int (*set_rate)(struct clk *c, unsigned long rate); + unsigned long (*get_rate)(struct clk *c); + unsigned long (*round_rate)(struct clk *c, unsigned long rate); + int (*set_parent)(struct clk *c, struct clk *parent); +}; + struct clk { struct list_head list; struct module *owner; @@ -21,11 +45,8 @@ struct clk { unsigned long rate; unsigned long ctrlbit; + struct clk_ops *ops; int (*enable)(struct clk *, int enable); - int (*set_rate)(struct clk *c, unsigned long rate); - unsigned long (*get_rate)(struct clk *c); - unsigned long (*round_rate)(struct clk *c, unsigned long rate); - int (*set_parent)(struct clk *c, struct clk *parent); }; /* other clocks which may be registered by board support */ |