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Commit 4ab08ecf authored by Russell King's avatar Russell King Committed by Russell King
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[ARM] aaec2000: convert to simple clk API



aaec2000 only uses the clk API for the framebuffer, so there's
no point having a complicated implementation.

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent eefc842a
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+1 −1
Original line number Diff line number Diff line
@@ -3,7 +3,7 @@
#

# Common support (must be linked before board specific support)
obj-y += core.o clock.o
obj-y += core.o

# Specific board support
obj-$(CONFIG_MACH_AAED2000) += aaed2000.o

arch/arm/mach-aaec2000/clock.c

deleted100644 → 0
+0 −99
Original line number Diff line number Diff line
/*
 *  linux/arch/arm/mach-aaec2000/clock.c
 *
 *  Copyright (C) 2005 Nicolas Bellido Y Ortega
 *
 *  Based on linux/arch/arm/mach-integrator/clock.c
 *
 * 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.
 */
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/string.h>
#include <linux/clk.h>
#include <linux/mutex.h>

#include "clock.h"

static LIST_HEAD(clocks);
static DEFINE_MUTEX(clocks_mutex);

struct clk *clk_get(struct device *dev, const char *id)
{
	struct clk *p, *clk = ERR_PTR(-ENOENT);

	mutex_lock(&clocks_mutex);
	list_for_each_entry(p, &clocks, node) {
		if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
			clk = p;
			break;
		}
	}
	mutex_unlock(&clocks_mutex);

	return clk;
}
EXPORT_SYMBOL(clk_get);

void clk_put(struct clk *clk)
{
	module_put(clk->owner);
}
EXPORT_SYMBOL(clk_put);

int clk_enable(struct clk *clk)
{
	return 0;
}
EXPORT_SYMBOL(clk_enable);

void clk_disable(struct clk *clk)
{
}
EXPORT_SYMBOL(clk_disable);

unsigned long clk_get_rate(struct clk *clk)
{
	return clk->rate;
}
EXPORT_SYMBOL(clk_get_rate);

long clk_round_rate(struct clk *clk, unsigned long rate)
{
	return rate;
}
EXPORT_SYMBOL(clk_round_rate);

int clk_set_rate(struct clk *clk, unsigned long rate)
{
	return 0;
}
EXPORT_SYMBOL(clk_set_rate);

int clk_register(struct clk *clk)
{
	mutex_lock(&clocks_mutex);
	list_add(&clk->node, &clocks);
	mutex_unlock(&clocks_mutex);
	return 0;
}
EXPORT_SYMBOL(clk_register);

void clk_unregister(struct clk *clk)
{
	mutex_lock(&clocks_mutex);
	list_del(&clk->node);
	mutex_unlock(&clocks_mutex);
}
EXPORT_SYMBOL(clk_unregister);

static int __init clk_init(void)
{
	return 0;
}
arch_initcall(clk_init);

arch/arm/mach-aaec2000/clock.h

deleted100644 → 0
+0 −23
Original line number Diff line number Diff line
/*
 *  linux/arch/arm/mach-aaec2000/clock.h
 *
 *  Copyright (C) 2005 Nicolas Bellido Y Ortega
 *
 *  Based on linux/arch/arm/mach-integrator/clock.h
 *
 * 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.
 */
struct module;

struct clk {
	struct list_head	node;
	unsigned long		rate;
	struct module		*owner;
	const char		*name;
	void			*data;
};

int clk_register(struct clk *clk);
void clk_unregister(struct clk *clk);
+23 −6
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@
#include <linux/interrupt.h>
#include <linux/timex.h>
#include <linux/signal.h>
#include <linux/clk.h>

#include <mach/hardware.h>
#include <asm/irq.h>
@@ -30,7 +31,6 @@
#include <asm/mach/map.h>

#include "core.h"
#include "clock.h"

/*
 * Common I/O mapping:
@@ -229,9 +229,28 @@ static struct amba_device *amba_devs[] __initdata = {
	&clcd_device,
};

static struct clk aaec2000_clcd_clk = {
	.name = "CLCDCLK",
};
void clk_disable(struct clk *clk)
{
}

int clk_set_rate(struct clk *clk, unsigned long rate)
{
	return 0;
}

int clk_enable(struct clk *clk)
{
	return 0;
}

struct clk *clk_get(struct device *dev, const char *id)
{
	return dev && strcmp(dev_name(dev), "mb:16") == 0 ? NULL : ERR_PTR(-ENOENT);
}

void clk_put(struct clk *clk)
{
}

void __init aaec2000_set_clcd_plat_data(struct aaec2000_clcd_info *clcd)
{
@@ -265,8 +284,6 @@ static int __init aaec2000_init(void)
{
	int i;

	clk_register(&aaec2000_clcd_clk);

	for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
		struct amba_device *d = amba_devs[i];
		amba_device_register(d, &iomem_resource);