sh: Introduce clk_always_enable() function

#include <linux/list.h>

#include <linux/seq_file.h>

#include <linux/clk.h>

#include <linux/err.h>

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