Commit 42c86547 authored by Tomeu Vizoso's avatar Tomeu Vizoso Committed by Thierry Reding
Browse files

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: default avatarTomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 07aaa0e5

drivers/clk/clk.c

+8 −0
Original line number Diff line number Diff line
@@ -2020,6 +2020,14 @@ static void clk_core_reparent(struct clk_core *clk, 
	__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

include/linux/clk-provider.h

+1 −0
Original line number Diff line number Diff line
@@ -589,6 +589,7 @@ long __clk_mux_determine_rate_closest(struct clk_hw *hw, unsigned long rate, 
			      unsigned long max_rate,

			      unsigned long *best_parent_rate,

			      struct clk_hw **best_parent_p);

void clk_hw_reparent(struct clk_hw *hw, struct clk_hw *new_parent);



static inline void __clk_hw_set_clk(struct clk_hw *dst, struct clk_hw *src)

{