1 files changed, 34 insertions, 106 deletions

diff --git a/drivers/sh/clk/core.c b/drivers/sh/clk/core.c
index dc8d022c07a..be56b22ca94 100644
--- a/drivers/sh/clk/core.c
+++ b/drivers/sh/clk/core.c
@@ -25,7 +25,6 @@
 #include <linux/seq_file.h>
 #include <linux/err.h>
 #include <linux/io.h>
-#include <linux/debugfs.h>
 #include <linux/cpufreq.h>
 #include <linux/clk.h>
 #include <linux/sh_clk.h>
@@ -64,12 +63,12 @@ void clk_rate_table_build(struct clk *clk,
 		else
 			freq = clk->parent->rate * mult / div;
 
-		freq_table[i].index = i;
+		freq_table[i].driver_data = i;
 		freq_table[i].frequency = freq;
 	}
 
 	/* Termination entry */
-	freq_table[i].index = i;
+	freq_table[i].driver_data = i;
 	freq_table[i].frequency = CPUFREQ_TABLE_END;
 }
 
@@ -173,21 +172,35 @@ long clk_rate_div_range_round(struct clk *clk, unsigned int div_min,
 	return clk_rate_round_helper(&div_range_round);
 }
 
+static long clk_rate_mult_range_iter(unsigned int pos,
+				      struct clk_rate_round_data *rounder)
+{
+	return clk_get_rate(rounder->arg) * pos;
+}
+
+long clk_rate_mult_range_round(struct clk *clk, unsigned int mult_min,
+			       unsigned int mult_max, unsigned long rate)
+{
+	struct clk_rate_round_data mult_range_round = {
+		.min	= mult_min,
+		.max	= mult_max,
+		.func	= clk_rate_mult_range_iter,
+		.arg	= clk_get_parent(clk),
+		.rate	= rate,
+	};
+
+	return clk_rate_round_helper(&mult_range_round);
+}
+
 int clk_rate_table_find(struct clk *clk,
 			struct cpufreq_frequency_table *freq_table,
 			unsigned long rate)
 {
-	int i;
+	struct cpufreq_frequency_table *pos;
 
-	for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++) {
-		unsigned long freq = freq_table[i].frequency;
-
-		if (freq == CPUFREQ_ENTRY_INVALID)
-			continue;
-
-		if (freq == rate)
-			return i;
-	}
+	cpufreq_for_each_valid_entry(pos, freq_table)
+		if (pos->frequency == rate)
+			return pos - freq_table;
 
 	return -ENOENT;
 }
@@ -205,9 +218,6 @@ int clk_reparent(struct clk *child, struct clk *parent)
 		list_add(&child->sibling, &parent->children);
 	child->parent = parent;
 
-	/* now do the debugfs renaming to reattach the child
-	   to the proper parent */
-
 	return 0;
 }
 
@@ -339,7 +349,7 @@ static int clk_establish_mapping(struct clk *clk)
 		 */
 		if (!clk->parent) {
 			clk->mapping = &dummy_mapping;
-			return 0;
+			goto out;
 		}
 
 		/*
@@ -368,6 +378,9 @@ static int clk_establish_mapping(struct clk *clk)
 	}
 
 	clk->mapping = mapping;
+out:
+	clk->mapped_reg = clk->mapping->base;
+	clk->mapped_reg += (phys_addr_t)clk->enable_reg - clk->mapping->phys;
 	return 0;
 }
 
@@ -386,10 +399,12 @@ static void clk_teardown_mapping(struct clk *clk)
 
 	/* Nothing to do */
 	if (mapping == &dummy_mapping)
-		return;
+		goto out;
 
 	kref_put(&mapping->ref, clk_destroy_mapping);
 	clk->mapping = NULL;
+out:
+	clk->mapped_reg = NULL;
 }
 
 int clk_register(struct clk *clk)
@@ -554,11 +569,7 @@ long clk_round_parent(struct clk *clk, unsigned long target,
 		return abs(target - *best_freq);
 	}
 
-	for (freq = parent->freq_table; freq->frequency != CPUFREQ_TABLE_END;
-	     freq++) {
-		if (freq->frequency == CPUFREQ_ENTRY_INVALID)
-			continue;
-
+	cpufreq_for_each_valid_entry(freq, parent->freq_table) {
 		if (unlikely(freq->frequency / target <= div_min - 1)) {
 			unsigned long freq_max;
 
@@ -665,89 +676,6 @@ static int __init clk_syscore_init(void)
 subsys_initcall(clk_syscore_init);
 #endif
 
-/*
- *	debugfs support to trace clock tree hierarchy and attributes
- */
-static struct dentry *clk_debugfs_root;
-
-static int clk_debugfs_register_one(struct clk *c)
-{
-	int err;
-	struct dentry *d;
-	struct clk *pa = c->parent;
-	char s[255];
-	char *p = s;
-
-	p += sprintf(p, "%p", c);
-	d = debugfs_create_dir(s, pa ? pa->dentry : clk_debugfs_root);
-	if (!d)
-		return -ENOMEM;
-	c->dentry = d;
-
-	d = debugfs_create_u8("usecount", S_IRUGO, c->dentry, (u8 *)&c->usecount);
-	if (!d) {
-		err = -ENOMEM;
-		goto err_out;
-	}
-	d = debugfs_create_u32("rate", S_IRUGO, c->dentry, (u32 *)&c->rate);
-	if (!d) {
-		err = -ENOMEM;
-		goto err_out;
-	}
-	d = debugfs_create_x32("flags", S_IRUGO, c->dentry, (u32 *)&c->flags);
-	if (!d) {
-		err = -ENOMEM;
-		goto err_out;
-	}
-	return 0;
-
-err_out:
-	debugfs_remove_recursive(c->dentry);
-	return err;
-}
-
-static int clk_debugfs_register(struct clk *c)
-{
-	int err;
-	struct clk *pa = c->parent;
-
-	if (pa && !pa->dentry) {
-		err = clk_debugfs_register(pa);
-		if (err)
-			return err;
-	}
-
-	if (!c->dentry) {
-		err = clk_debugfs_register_one(c);
-		if (err)
-			return err;
-	}
-	return 0;
-}
-
-static int __init clk_debugfs_init(void)
-{
-	struct clk *c;
-	struct dentry *d;
-	int err;
-
-	d = debugfs_create_dir("clock", NULL);
-	if (!d)
-		return -ENOMEM;
-	clk_debugfs_root = d;
-
-	list_for_each_entry(c, &clock_list, node) {
-		err = clk_debugfs_register(c);
-		if (err)
-			goto err_out;
-	}
-	return 0;
-err_out:
-	debugfs_remove_recursive(clk_debugfs_root);
-	return err;
-}
-late_initcall(clk_debugfs_init);
-
 static int __init clk_late_init(void)
 {
 	unsigned long flags;