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All rpmh_*() APIs so far have supported placing votes for various resource settings but the H/W also have option to read resource settings. Add new rpmh_read() API to allow clients to read back resource setting from H/W. This will be useful for clients like regulators, which currently don't have a way to know the settings applied during bootloader stage. Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Signed-off-by: Maulik Shah <maulik.shah@oss.qualcomm.com> Signed-off-by: Kamal Wadhwa <kamal.wadhwa@oss.qualcomm.com> Link: https://patch.msgid.link/20260801-b4-read-rpmh-v5-v6-1-9fcb54928523@oss.qualcomm.com Signed-off-by: Mark Brown <broonie@kernel.org>