Quoting Chen-Yu Tsai (2019-05-20 01:03:58)
> A special CLK_HW_INIT_HWS macro is included, which takes an array of
> struct clk_hw *, but sets .num_parents to 1. This variant is to allow
> the reuse of the array, instead of having a compound literal allocated
> for each clk sharing the same parent.
From: Chen-Yu Tsai
With the new clk parenting code, struct clk_init_data was expanded to
include .parent_hws, for clk drivers to directly list parents by
pointing to their respective struct clk_hw's.
Add macros that can take either one single struct clk_hw *, or an array
of them, for drivers to
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