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With OPP V2 enabled, devfreq can scale clocks amongst multiple frequency plans. However, the gear speed is only toggled between min and max during clock scaling. Enable multi-level gear scaling by mapping clock frequencies to gear speeds, so that when devfreq scales clock frequencies we can put the UFS link at the appropriate gear speeds accordingly. Signed-off-by: Can Guo <quic_cang@quicinc.com> Co-developed-by: Ziqi Chen <quic_ziqichen@quicinc.com> Signed-off-by: Ziqi Chen <quic_ziqichen@quicinc.com> Link: https://lore.kernel.org/r/20250213080008.2984807-6-quic_ziqichen@quicinc.com Reviewed-by: Bean Huo <beanhuo@micron.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Tested-by: Neil Armstrong <neil.armstrong@linaro.org> Reviewed-by: Peter Wang <peter.wang@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>