clk: renesas: rcar-gen3: Switch Z clocks to .determine_rate()

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As the .round_rate() callback returns a long clock rate, it cannot
return clock rates that do not fit in signed long, but do fit in
unsigned long.  Hence switch the Z clocks on R-Car Gen3 from the old
.round_rate() callback to the newer .determine_rate() callback, which
does not suffer from this limitation.

This includes implementing range checking.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20190830134515.11925-8-geert+renesas@glider.be

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Geert Uytterhoeven 2019-08-30 15:45:14 +02:00

parent 7aee839ed2

commit df98719f03

1 changed files with 14 additions and 8 deletions

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drivers/clk/renesas/rcar-gen3-cpg.c

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