clk: Expose clk_hw_reparent() to providers
To be used by clock implementations for switching to a new parent during
rate change.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 459ce9d..5315a27 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2020,6 +2020,14 @@
__clk_recalc_rates(clk, POST_RATE_CHANGE);
}
+void clk_hw_reparent(struct clk_hw *hw, struct clk_hw *new_parent)
+{
+ if (!hw)
+ return;
+
+ clk_core_reparent(hw->core, !new_parent ? NULL : new_parent->core);
+}
+
/**
* clk_has_parent - check if a clock is a possible parent for another
* @clk: clock source