1 files changed, 51 insertions, 5 deletions

diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index d9f8c844c385..5261a0923691 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -173,7 +173,7 @@ EXPORT_SYMBOL(clk_get_parent);
  * OMAP specific clock functions shared between omap1 and omap2
  *-------------------------------------------------------------------------*/
 
-unsigned int __initdata mpurate;
+int __initdata mpurate;
 
 /*
  * By default we use the rate set by the bootloader.
@@ -199,6 +199,17 @@ unsigned long followparent_recalc(struct clk *clk)
 	return clk->parent->rate;
 }
 
+/*
+ * Used for clocks that have the same value as the parent clock,
+ * divided by some factor
+ */
+unsigned long omap_fixed_divisor_recalc(struct clk *clk)
+{
+	WARN_ON(!clk->fixed_div);
+
+	return clk->parent->rate / clk->fixed_div;
+}
+
 void clk_reparent(struct clk *child, struct clk *parent)
 {
 	list_del_init(&child->sibling);
@@ -302,6 +313,33 @@ void clk_enable_init_clocks(void)
 	}
 }
 
+/**
+ * omap_clk_get_by_name - locate OMAP struct clk by its name
+ * @name: name of the struct clk to locate
+ *
+ * Locate an OMAP struct clk by its name.  Assumes that struct clk
+ * names are unique.  Returns NULL if not found or a pointer to the
+ * struct clk if found.
+ */
+struct clk *omap_clk_get_by_name(const char *name)
+{
+	struct clk *c;
+	struct clk *ret = NULL;
+
+	mutex_lock(&clocks_mutex);
+
+	list_for_each_entry(c, &clocks, node) {
+		if (!strcmp(c->name, name)) {
+			ret = c;
+			break;
+		}
+	}
+
+	mutex_unlock(&clocks_mutex);
+
+	return ret;
+}
+
 /*
  * Low level helpers
  */
@@ -319,6 +357,16 @@ const struct clkops clkops_null = {
 	.disable	= clkll_disable_null,
 };
 
+/*
+ * Dummy clock
+ *
+ * Used for clock aliases that are needed on some OMAPs, but not others
+ */
+struct clk dummy_ck = {
+	.name	= "dummy",
+	.ops	= &clkops_null,
+};
+
 #ifdef CONFIG_CPU_FREQ
 void clk_init_cpufreq_table(struct cpufreq_frequency_table **table)
 {
@@ -391,14 +439,12 @@ static struct dentry *clk_debugfs_root;
 static int clk_debugfs_register_one(struct clk *c)
 {
 	int err;
-	struct dentry *d, *child;
+	struct dentry *d, *child, *child_tmp;
 	struct clk *pa = c->parent;
 	char s[255];
 	char *p = s;
 
 	p += sprintf(p, "%s", c->name);
-	if (c->id != 0)
-		sprintf(p, ":%d", c->id);
 	d = debugfs_create_dir(s, pa ? pa->dent : clk_debugfs_root);
 	if (!d)
 		return -ENOMEM;
@@ -423,7 +469,7 @@ static int clk_debugfs_register_one(struct clk *c)
 
 err_out:
 	d = c->dent;
-	list_for_each_entry(child, &d->d_subdirs, d_u.d_child)
+	list_for_each_entry_safe(child, child_tmp, &d->d_subdirs, d_u.d_child)
 		debugfs_remove(child);
 	debugfs_remove(c->dent);
 	return err;