On Tue, Apr 4, 2023 at 2:45 PM Maxime Ripard <maxime@xxxxxxxxxx> wrote: > The UX500 PRCMU "clkout" clock implements a mux with a set_parent hook, > but doesn't provide a determine_rate implementation. > > This is a bit odd, since set_parent() is there to, as its name implies, > change the parent of a clock. However, the most likely candidate to > trigger that parent change is a call to clk_set_rate(), with > determine_rate() figuring out which parent is the best suited for a > given rate. Not even that. The parent is selected from the second cell of the device tree specifier, and the divisor from the third cell. See: Documentation/devicetree/bindings/clock/stericsson,u8500-clks.yaml So this definitely does not reparent. Yours, Linus Walleij
