Signed-off-by: Jolly Shah <redacted>
Signed-off-by: Tejas Patel <redacted>
Signed-off-by: Shubhrajyoti Datta <redacted>
---
 drivers/clk/clk.c            | 28 ++++++++++++++++++++++++++++
 include/linux/clk-provider.h |  1 +
 2 files changed, 29 insertions(+)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 0f686a9..947a18b 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c

@@ -274,6 +274,34 @@ struct clk_hw *clk_hw_get_parent(const struct clk_hw *hw)
 }
 EXPORT_SYMBOL_GPL(clk_hw_get_parent);
 
+static unsigned int sibling;

+
+static void clk_show_subtree(struct clk_core *c,
+                            int level)
+{
+       struct clk_core *child;
+
+       if (!c)
+               return;
+
+       if (level == 1)
+               sibling++;
+
+       hlist_for_each_entry(child, &c->children, child_node)
+               clk_show_subtree(child, level + 1);
+}
+
+unsigned int clk_get_children(char *name)
+{
+       struct clk_core *core;
+       struct clk *pclk = __clk_lookup(name);
+
+       sibling = 0;
+       core = pclk->core;
+       clk_show_subtree(core, 0);
+       return sibling;
+}
+
 static struct clk_core *__clk_lookup_subtree(const char *name,
                                             struct clk_core *core)
 {

diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index f711be6..e94dfb2 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h

@@ -745,6 +745,7 @@ unsigned int __clk_get_enable_count(struct clk *clk);
 unsigned long clk_hw_get_rate(const struct clk_hw *hw);
 unsigned long __clk_get_flags(struct clk *clk);
 unsigned long clk_hw_get_flags(const struct clk_hw *hw);
+unsigned int clk_get_children(char *name);