Linux Audio
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Embedded Linux Audio
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/* * Dummy clk implementations for powerpc. * These need to be overridden in platform code. */ #include <linux/clk.h> #include <linux/err.h> #include <linux/errno.h> #include <linux/export.h> #include <asm/clk_interface.h> struct clk_interface clk_functions; struct clk *clk_get(struct device *dev, const char *id) { if (clk_functions.clk_get) return clk_functions.clk_get(dev, id); return ERR_PTR(-ENOSYS); } EXPORT_SYMBOL(clk_get); void clk_put(struct clk *clk) { if (clk_functions.clk_put) clk_functions.clk_put(clk); } EXPORT_SYMBOL(clk_put); int clk_enable(struct clk *clk) { if (clk_functions.clk_enable) return clk_functions.clk_enable(clk); return -ENOSYS; } EXPORT_SYMBOL(clk_enable); void clk_disable(struct clk *clk) { if (clk_functions.clk_disable) clk_functions.clk_disable(clk); } EXPORT_SYMBOL(clk_disable); unsigned long clk_get_rate(struct clk *clk) { if (clk_functions.clk_get_rate) return clk_functions.clk_get_rate(clk); return 0; } EXPORT_SYMBOL(clk_get_rate); long clk_round_rate(struct clk *clk, unsigned long rate) { if (clk_functions.clk_round_rate) return clk_functions.clk_round_rate(clk, rate); return -ENOSYS; } EXPORT_SYMBOL(clk_round_rate); int clk_set_rate(struct clk *clk, unsigned long rate) { if (clk_functions.clk_set_rate) return clk_functions.clk_set_rate(clk, rate); return -ENOSYS; } EXPORT_SYMBOL(clk_set_rate); struct clk *clk_get_parent(struct clk *clk) { if (clk_functions.clk_get_parent) return clk_functions.clk_get_parent(clk); return ERR_PTR(-ENOSYS); } EXPORT_SYMBOL(clk_get_parent); int clk_set_parent(struct clk *clk, struct clk *parent) { if (clk_functions.clk_set_parent) return clk_functions.clk_set_parent(clk, parent); return -ENOSYS; } EXPORT_SYMBOL(clk_set_parent);