sh: Introduce clk_always_enable() function (de925426) · Commits · 戴 / test

Add SuperH specific funcion clk_always_enable(), useful to enable MSTPCR bits in processor or board specific code. Signed-off-by:

include/asm-sh/clock.h

+17 −0

Original line number	Diff line number	Diff line
		@@ -5,6 +5,7 @@
		#include <linux/list.h>
		#include <linux/seq_file.h>
		#include <linux/clk.h>
		#include <linux/err.h>

		struct clk;

		@@ -47,6 +48,22 @@ void clk_recalc_rate(struct clk *);
		int clk_register(struct clk *);
		void clk_unregister(struct clk *);

		static inline int clk_always_enable(const char *id)
		{
		struct clk *clk;
		int ret;

		clk = clk_get(NULL, id);
		if (IS_ERR(clk))
		return PTR_ERR(clk);

		ret = clk_enable(clk);
		if (ret)
		clk_put(clk);

		return ret;
		}

		/* the exported API, in addition to clk_set_rate */
		/**
		* clk_set_rate_ex - set the clock rate for a clock source, with additional parameter