On Fri, Aug 06, 2021 at 01:44:45PM +0530, Ravikumar Kattekola wrote:

> But, IMO mmc core should check if the voltage can be changed or not
> 
> before trying to do regulator_set_voltage() in mmc_regulator_set_ocr().

It does exactly that in mmc_regulator_get_ocrmask().