As per the discussion happenned here[1], introducing a new api regulator_set_enable_if_allowed() that discards certain error cases where consumer driver might not be intrested in. Also using the same api for omap_hsmmc driver which fixes the boot on dra7-evm.
[1] https://patchwork.ozlabs.org/patch/1018222/
Lokesh Vutla (3): Revert "power: regulator: Return success on attempt to disable an always-on regulator" power: regulator: Introduce regulator_set_enable_if_allowed api mmc: omap_hsmmc: Use regulator_set_enable_if_allowed for enabling regulator
drivers/mmc/omap_hsmmc.c | 16 ++++++++-------- drivers/power/regulator/regulator-uclass.c | 13 ++++++++++++- include/power/regulator.h | 11 +++++++++++ 3 files changed, 31 insertions(+), 9 deletions(-)