clk: composite: Use rate_ops.determine_rate when also a mux is available
Update clk_composite_determine_rate() to use rate_ops.determine_rate when available in combination with a mux. So far clk_divider_ops provide both, .round_rate and .determine_rate. Removing the former would make clk-composite fail silently for example on Rockchip platforms (which heavily use composite clocks). Add support for using rate_ops.determine_rate when either rate_ops.round_rate is not available or both (.round_rate and .determine_rate) are provided. Suggested-by: Alex Bee <knaerzche@gmail.com> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Link: https://lore.kernel.org/r/20211016105022.303413-3-martin.blumenstingl@googlemail.com Tested-by: Alex Bee <knaerzche@gmail.com> Tested-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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