clk: add support for clk_is_match()
Add support for clk_is_match() which is required to
know if two clock pointers point to the same exact
physical clock.
Also add a unit test for the new API.
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c
index cee4d91..c66b6f3 100644
--- a/drivers/clk/clk-uclass.c
+++ b/drivers/clk/clk-uclass.c
@@ -518,6 +518,19 @@
return -ENOENT;
}
+bool clk_is_match(const struct clk *p, const struct clk *q)
+{
+ /* trivial case: identical struct clk's or both NULL */
+ if (p == q)
+ return true;
+
+ /* same device, id and data */
+ if (p->dev == q->dev && p->id == q->id && p->data == q->data)
+ return true;
+
+ return false;
+}
+
UCLASS_DRIVER(clk) = {
.id = UCLASS_CLK,
.name = "clk",