linux-hardened/include/linux/clkdev.h
Russell King e9d7f40654 CLKDEV: provide helpers for common clock framework
The common clock framework allocates clocks dynamically.  Provide a
set of helpers to streamline the clkdev registration of the clock
lookups to avoid repetitive code sequences.

Reviewed-by: Viresh Kumar <viresh.kumar@st.com>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-05-02 09:30:32 +01:00

46 lines
1 KiB
C

/*
* include/linux/clkdev.h
*
* Copyright (C) 2008 Russell King.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Helper for the clk API to assist looking up a struct clk.
*/
#ifndef __CLKDEV_H
#define __CLKDEV_H
#include <asm/clkdev.h>
struct clk;
struct device;
struct clk_lookup {
struct list_head node;
const char *dev_id;
const char *con_id;
struct clk *clk;
};
#define CLKDEV_INIT(d, n, c) \
{ \
.dev_id = d, \
.con_id = n, \
.clk = c, \
}
struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id,
const char *dev_fmt, ...);
void clkdev_add(struct clk_lookup *cl);
void clkdev_drop(struct clk_lookup *cl);
void clkdev_add_table(struct clk_lookup *, size_t);
int clk_add_alias(const char *, const char *, char *, struct device *);
int clk_register_clkdev(struct clk *, const char *, const char *, ...);
int clk_register_clkdevs(struct clk *, struct clk_lookup *, size_t);
#endif