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ARM: 6483/1: arm & sh: factorised duplicated clkdev.c

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factorise some generic infrastructure to assist looking up struct clks
for the ARM & SH architecture.

as the code is identical at 99%

put the arch specific code for allocation as example in asm/clkdev.h

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Jean-Christop PLAGNIOL-VILLARD
2010-11-17 10:04:33 +01:00
committed by Russell King
parent 64d2dc384e
commit 6d803ba736
72 changed files with 157 additions and 336 deletions
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38
arch/sh/include/asm/clkdev.h
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@@ -1,9 +1,5 @@
/*
* arch/sh/include/asm/clkdev.h
*
* Cloned from arch/arm/include/asm/clkdev.h:
*
* Copyright (C) 2008 Russell King.
* Copyright (C) 2010 Paul Mundt <lethal@linux-sh.org>
*
* 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
@@ -11,25 +7,25 @@
*
* Helper for the clk API to assist looking up a struct clk.
*/
#ifndef __ASM_CLKDEV_H
#define __ASM_CLKDEV_H
struct clk;
#ifndef __CLKDEV__H_
#define __CLKDEV__H_
struct clk_lookup {
struct list_head node;
const char *dev_id;
const char *con_id;
struct clk *clk;
};
#include <linux/bootmem.h>
#include <linux/mm.h>
#include <linux/slab.h>
struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id,
const char *dev_fmt, ...);
#include <asm/clock.h>
void clkdev_add(struct clk_lookup *cl);
void clkdev_drop(struct clk_lookup *cl);
static inline struct clk_lookup_alloc *__clkdev_alloc(size_t size)
{
if (!slab_is_available())
return alloc_bootmem_low_pages(size);
else
return kzalloc(size, GFP_KERNEL);
}
void clkdev_add_table(struct clk_lookup *, size_t);
int clk_add_alias(const char *, const char *, char *, struct device *);
#define __clk_put(clk)
#define __clk_get(clk) ({ 1; })
#endif
#endif /* __CLKDEV_H__ */