Commit de925426 authored by Magnus Damm's avatar Magnus Damm Committed by Paul Mundt
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sh: Introduce clk_always_enable() function 



Add SuperH specific funcion clk_always_enable(), useful to enable MSTPCR
bits in processor or board specific code.

Signed-off-by: default avatarMagnus Damm <damm@igel.co.jp>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 152fe36e

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