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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-11-30 17:27:20 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-11-30 17:27:20 +0000
commit4ab08ecfbc68960ecfb268bac30c57f838fa414e (patch)
tree31d9a282938d938d9273c0b39ad2bfef1c0219d1 /arch
parenteefc842a6e1de128fbdc9214b9f178a2e238fb7b (diff)
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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: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-aaec2000/Makefile2
-rw-r--r--arch/arm/mach-aaec2000/clock.c99
-rw-r--r--arch/arm/mach-aaec2000/clock.h23
-rw-r--r--arch/arm/mach-aaec2000/core.c29
4 files changed, 24 insertions, 129 deletions
diff --git a/arch/arm/mach-aaec2000/Makefile b/arch/arm/mach-aaec2000/Makefile
index a8e462f..20ec838 100644
--- a/arch/arm/mach-aaec2000/Makefile
+++ b/arch/arm/mach-aaec2000/Makefile
@@ -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
diff --git a/arch/arm/mach-aaec2000/clock.c b/arch/arm/mach-aaec2000/clock.c
deleted file mode 100644
index e10ee15..0000000
--- a/arch/arm/mach-aaec2000/clock.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * 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);
diff --git a/arch/arm/mach-aaec2000/clock.h b/arch/arm/mach-aaec2000/clock.h
deleted file mode 100644
index d4bb74f..0000000
--- a/arch/arm/mach-aaec2000/clock.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * 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);
diff --git a/arch/arm/mach-aaec2000/core.c b/arch/arm/mach-aaec2000/core.c
index dfb26bc..50e1396 100644
--- a/arch/arm/mach-aaec2000/core.c
+++ b/arch/arm/mach-aaec2000/core.c
@@ -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);
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