diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c index cb5f1a1..47efe12 100644 --- a/drivers/clk/clk-mux.c +++ b/drivers/clk/clk-mux.c @@ -27,6 +27,8 @@ int width; }; +#define to_clk_mux(_clk) container_of(_clk, struct clk_mux, clk) + static int clk_mux_get_parent(struct clk *clk) { struct clk_mux *m = container_of(clk, struct clk_mux, clk); @@ -53,11 +55,10 @@ .set_parent = clk_mux_set_parent, }; -struct clk *clk_mux(const char *name, void __iomem *reg, +struct clk *clk_mux_alloc(const char *name, void __iomem *reg, u8 shift, u8 width, const char **parents, u8 num_parents) { struct clk_mux *m = xzalloc(sizeof(*m)); - int ret; m->reg = reg; m->shift = shift; @@ -67,11 +68,29 @@ m->clk.parent_names = parents; m->clk.num_parents = num_parents; - ret = clk_register(&m->clk); + return &m->clk; +} + +void clk_mux_free(struct clk *clk_mux) +{ + struct clk_mux *m = to_clk_mux(clk_mux); + + free(m); +} + +struct clk *clk_mux(const char *name, void __iomem *reg, + u8 shift, u8 width, const char **parents, u8 num_parents) +{ + struct clk *m; + int ret; + + m = clk_mux_alloc(name, reg, shift, width, parents, num_parents); + + ret = clk_register(m); if (ret) { - free(m); + free(to_clk_mux(m)); return ERR_PTR(ret); } - return &m->clk; + return m; } diff --git a/include/linux/clk.h b/include/linux/clk.h index cc4f114..0a565ef 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -212,6 +212,10 @@ const struct clk_div_table *table); struct clk *clk_fixed_factor(const char *name, const char *parent, unsigned int mult, unsigned int div); + +struct clk *clk_mux_alloc(const char *name, void __iomem *reg, + u8 shift, u8 width, const char **parents, u8 num_parents); +void clk_mux_free(struct clk *clk_mux); struct clk *clk_mux(const char *name, void __iomem *reg, u8 shift, u8 width, const char **parents, u8 num_parents);