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>

1 files changed, 5 insertions, 122 deletions

diff --git a/arch/arm/mach-msm/clock.c b/arch/arm/mach-msm/clock.c
index 8f71f8d9fa98..8c2b4dd4a877 100644
--- a/arch/arm/mach-msm/clock.c
+++ b/arch/arm/mach-msm/clock.c
@@ -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) {