Quoting Bjorn Andersson (2020-04-17 00:00:41) > Certain GDSCs, such as the GPU_GX on MSM8996, requires that the upstream > regulator supply is powered in order to be turned on. > > It's not guaranteed that the bootloader will leave these supplies on and > the driver core will attempt to enable any GDSCs before allowing the > individual drivers to probe defer on the PMIC regulator driver not yet > being present. > > So the gdsc driver needs to be made aware of supplying regulators and > probe defer on their absence, and it needs to enable and disable the > regulator accordingly. > > Voltage adjustments of the supplying regulator are deferred to the > client drivers themselves. > > Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> > --- Applied to clk-next
