msm: clock: Move debugfs code from clock.c to clock-debug.c
The clock debugfs code is large enough, and easy enough to separate, that it deserves its own file which is compiled only when CONFIG_DEBUG_FS is enabled. Also, cleanup header file #includes that are no longer required. Reviewed-by: Saravana Kannan <skannan@codeaurora.org> Signed-off-by: Matt Wagantall <mattw@codeaurora.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
This commit is contained in:
Matt Wagantall
David Brown
Родитель
ce1c80fbaa
Коммит
d64560fe3e
|
|
@ -1,4 +1,7 @@
|
|||
obj-y += io.o idle.o timer.o
|
||||
ifdef CONFIG_MSM_PROC_COMM
|
||||
obj-$(CONFIG_DEBUG_FS) += clock-debug.o
|
||||
endif
|
||||
|
||||
obj-$(CONFIG_MSM_VIC) += irq-vic.o
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,133 @@
|
|||
/*
|
||||
* Copyright (C) 2007 Google, Inc.
|
||||
* Copyright (c) 2007-2010, Code Aurora Forum. All rights reserved.
|
||||
*
|
||||
* This software is licensed under the terms of the GNU General Public
|
||||
* License version 2, as published by the Free Software Foundation, and
|
||||
* may be copied, distributed, and modified under those terms.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/ctype.h>
|
||||
#include <linux/debugfs.h>
|
||||
#include <linux/clk.h>
|
||||
#include "clock.h"
|
||||
#include "clock-pcom.h"
|
||||
|
||||
static int clock_debug_rate_set(void *data, u64 val)
|
||||
{
|
||||
struct clk *clock = data;
|
||||
int ret;
|
||||
|
||||
/* Only increases to max rate will succeed, but that's actually good
|
||||
* for debugging purposes so we don't check for error. */
|
||||
if (clock->flags & CLK_MAX)
|
||||
clk_set_max_rate(clock, val);
|
||||
if (clock->flags & CLK_MIN)
|
||||
ret = clk_set_min_rate(clock, val);
|
||||
else
|
||||
ret = clk_set_rate(clock, val);
|
||||
if (ret != 0)
|
||||
printk(KERN_ERR "clk_set%s_rate failed (%d)\n",
|
||||
(clock->flags & CLK_MIN) ? "_min" : "", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int clock_debug_rate_get(void *data, u64 *val)
|
||||
{
|
||||
struct clk *clock = data;
|
||||
*val = clk_get_rate(clock);
|
||||
return 0;
|
||||
}
|
||||
|
||||
DEFINE_SIMPLE_ATTRIBUTE(clock_rate_fops, clock_debug_rate_get,
|
||||
clock_debug_rate_set, "%llu\n");
|
||||
|
||||
static int clock_debug_enable_set(void *data, u64 val)
|
||||
{
|
||||
struct clk *clock = data;
|
||||
int rc = 0;
|
||||
|
||||
if (val)
|
||||
rc = clock->ops->enable(clock->id);
|
||||
else
|
||||
clock->ops->disable(clock->id);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
static int clock_debug_enable_get(void *data, u64 *val)
|
||||
{
|
||||
struct clk *clock = data;
|
||||
|
||||
*val = clock->ops->is_enabled(clock->id);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
DEFINE_SIMPLE_ATTRIBUTE(clock_enable_fops, clock_debug_enable_get,
|
||||
clock_debug_enable_set, "%llu\n");
|
||||
|
||||
static int clock_debug_local_get(void *data, u64 *val)
|
||||
{
|
||||
struct clk *clock = data;
|
||||
|
||||
*val = clock->ops != &clk_ops_pcom;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
DEFINE_SIMPLE_ATTRIBUTE(clock_local_fops, clock_debug_local_get,
|
||||
NULL, "%llu\n");
|
||||
|
||||
static struct dentry *dent_rate, *dent_enable, *dent_local;
|
||||
|
||||
int __init clock_debug_init(void)
|
||||
{
|
||||
dent_rate = debugfs_create_dir("clk_rate", 0);
|
||||
if (!dent_rate)
|
||||
goto err;
|
||||
|
||||
dent_enable = debugfs_create_dir("clk_enable", 0);
|
||||
if (!dent_enable)
|
||||
goto err;
|
||||
|
||||
dent_local = debugfs_create_dir("clk_local", NULL);
|
||||
if (!dent_local)
|
||||
goto err;
|
||||
|
||||
return 0;
|
||||
err:
|
||||
debugfs_remove(dent_local);
|
||||
debugfs_remove(dent_enable);
|
||||
debugfs_remove(dent_rate);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
int __init clock_debug_add(struct clk *clock)
|
||||
{
|
||||
char temp[50], *ptr;
|
||||
|
||||
if (!dent_rate || !dent_enable || !dent_local)
|
||||
return -ENOMEM;
|
||||
|
||||
strncpy(temp, clock->dbg_name, ARRAY_SIZE(temp)-1);
|
||||
for (ptr = temp; *ptr; ptr++)
|
||||
*ptr = tolower(*ptr);
|
||||
|
||||
debugfs_create_file(temp, S_IRUGO | S_IWUSR, dent_rate,
|
||||
clock, &clock_rate_fops);
|
||||
debugfs_create_file(temp, S_IRUGO | S_IWUSR, dent_enable,
|
||||
clock, &clock_enable_fops);
|
||||
debugfs_create_file(temp, S_IRUGO, dent_local,
|
||||
clock, &clock_local_fops);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -15,16 +15,10 @@
|
|||
*/
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/list.h>
|
||||
#include <linux/err.h>
|
||||
#include <linux/clk.h>
|
||||
#include <linux/spinlock.h>
|
||||
#include <linux/debugfs.h>
|
||||
#include <linux/ctype.h>
|
||||
#include <linux/pm_qos_params.h>
|
||||
#include <mach/clk.h>
|
||||
|
||||
#include "clock.h"
|
||||
#include "proc_comm.h"
|
||||
|
|
@ -34,8 +28,6 @@
|
|||
static DEFINE_MUTEX(clocks_mutex);
|
||||
static DEFINE_SPINLOCK(clocks_lock);
|
||||
static LIST_HEAD(clocks);
|
||||
struct clk *msm_clocks;
|
||||
unsigned msm_num_clocks;
|
||||
|
||||
/*
|
||||
* Standard clock functions defined in include/linux/clk.h
|
||||
|
|
@ -183,11 +175,9 @@ void __init msm_clock_init(struct clk *clock_tbl, unsigned num_clocks)
|
|||
unsigned n;
|
||||
|
||||
mutex_lock(&clocks_mutex);
|
||||
msm_clocks = clock_tbl;
|
||||
msm_num_clocks = num_clocks;
|
||||
for (n = 0; n < msm_num_clocks; n++) {
|
||||
set_clock_ops(&msm_clocks[n]);
|
||||
list_add_tail(&msm_clocks[n].list, &clocks);
|
||||
for (n = 0; n < num_clocks; n++) {
|
||||
set_clock_ops(&clock_tbl[n]);
|
||||
list_add_tail(&clock_tbl[n].list, &clocks);
|
||||
}
|
||||
mutex_unlock(&clocks_mutex);
|
||||
|
||||
|
|
@ -196,115 +186,6 @@ void __init msm_clock_init(struct clk *clock_tbl, unsigned num_clocks)
|
|||
|
||||
}
|
||||
|
||||
#if defined(CONFIG_DEBUG_FS)
|
||||
static struct clk *msm_clock_get_nth(unsigned index)
|
||||
{
|
||||
if (index < msm_num_clocks)
|
||||
return msm_clocks + index;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int clock_debug_rate_set(void *data, u64 val)
|
||||
{
|
||||
struct clk *clock = data;
|
||||
int ret;
|
||||
|
||||
/* Only increases to max rate will succeed, but that's actually good
|
||||
* for debugging purposes. So we don't check for error. */
|
||||
if (clock->flags & CLK_MAX)
|
||||
clk_set_max_rate(clock, val);
|
||||
if (clock->flags & CLK_MIN)
|
||||
ret = clk_set_min_rate(clock, val);
|
||||
else
|
||||
ret = clk_set_rate(clock, val);
|
||||
if (ret != 0)
|
||||
printk(KERN_ERR "clk_set%s_rate failed (%d)\n",
|
||||
(clock->flags & CLK_MIN) ? "_min" : "", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int clock_debug_rate_get(void *data, u64 *val)
|
||||
{
|
||||
struct clk *clock = data;
|
||||
*val = clk_get_rate(clock);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int clock_debug_enable_set(void *data, u64 val)
|
||||
{
|
||||
struct clk *clock = data;
|
||||
int rc = 0;
|
||||
|
||||
if (val)
|
||||
rc = clock->ops->enable(clock->id);
|
||||
else
|
||||
clock->ops->disable(clock->id);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
static int clock_debug_enable_get(void *data, u64 *val)
|
||||
{
|
||||
struct clk *clock = data;
|
||||
|
||||
*val = clock->ops->is_enabled(clock->id);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int clock_debug_local_get(void *data, u64 *val)
|
||||
{
|
||||
struct clk *clock = data;
|
||||
|
||||
*val = clock->ops != &clk_ops_pcom;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
DEFINE_SIMPLE_ATTRIBUTE(clock_rate_fops, clock_debug_rate_get,
|
||||
clock_debug_rate_set, "%llu\n");
|
||||
DEFINE_SIMPLE_ATTRIBUTE(clock_enable_fops, clock_debug_enable_get,
|
||||
clock_debug_enable_set, "%llu\n");
|
||||
DEFINE_SIMPLE_ATTRIBUTE(clock_local_fops, clock_debug_local_get,
|
||||
NULL, "%llu\n");
|
||||
|
||||
static int __init clock_debug_init(void)
|
||||
{
|
||||
struct dentry *dent_rate, *dent_enable, *dent_local;
|
||||
struct clk *clock;
|
||||
unsigned n = 0;
|
||||
char temp[50], *ptr;
|
||||
|
||||
dent_rate = debugfs_create_dir("clk_rate", 0);
|
||||
if (IS_ERR(dent_rate))
|
||||
return PTR_ERR(dent_rate);
|
||||
|
||||
dent_enable = debugfs_create_dir("clk_enable", 0);
|
||||
if (IS_ERR(dent_enable))
|
||||
return PTR_ERR(dent_enable);
|
||||
|
||||
dent_local = debugfs_create_dir("clk_local", NULL);
|
||||
if (IS_ERR(dent_local))
|
||||
return PTR_ERR(dent_local);
|
||||
|
||||
while ((clock = msm_clock_get_nth(n++)) != 0) {
|
||||
strncpy(temp, clock->dbg_name, ARRAY_SIZE(temp)-1);
|
||||
for (ptr = temp; *ptr; ptr++)
|
||||
*ptr = tolower(*ptr);
|
||||
debugfs_create_file(temp, 0644, dent_rate,
|
||||
clock, &clock_rate_fops);
|
||||
debugfs_create_file(temp, 0644, dent_enable,
|
||||
clock, &clock_enable_fops);
|
||||
debugfs_create_file(temp, S_IRUGO, dent_local,
|
||||
clock, &clock_local_fops);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
device_initcall(clock_debug_init);
|
||||
#endif
|
||||
|
||||
/* The bootloader and/or AMSS may have left various clocks enabled.
|
||||
* Disable any clocks that belong to us (CLKFLAG_AUTO_OFF) but have
|
||||
* not been explicitly enabled by a clk_enable() call.
|
||||
|
|
@ -315,8 +196,10 @@ static int __init clock_late_init(void)
|
|||
struct clk *clk;
|
||||
unsigned count = 0;
|
||||
|
||||
clock_debug_init();
|
||||
mutex_lock(&clocks_mutex);
|
||||
list_for_each_entry(clk, &clocks, list) {
|
||||
clock_debug_add(clk);
|
||||
if (clk->flags & CLKFLAG_AUTO_OFF) {
|
||||
spin_lock_irqsave(&clocks_lock, flags);
|
||||
if (!clk->count) {
|
||||
|
|
|
|||
|
|
@ -17,6 +17,7 @@
|
|||
#ifndef __ARCH_ARM_MACH_MSM_CLOCK_H
|
||||
#define __ARCH_ARM_MACH_MSM_CLOCK_H
|
||||
|
||||
#include <linux/init.h>
|
||||
#include <linux/list.h>
|
||||
#include <mach/clk.h>
|
||||
|
||||
|
|
@ -61,4 +62,12 @@ struct clk {
|
|||
#define CLK_MAX CLKFLAG_MAX
|
||||
#define CLK_MINMAX (CLK_MIN | CLK_MAX)
|
||||
|
||||
#ifdef CONFIG_DEBUG_FS
|
||||
int __init clock_debug_init(void);
|
||||
int __init clock_debug_add(struct clk *clock);
|
||||
#else
|
||||
static inline int __init clock_debug_init(void) { return 0; }
|
||||
static inline int __init clock_debug_add(struct clk *clock) { return 0; }
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче