Skip to content
Commit 37416e55 authored by Bjorn Andersson's avatar Bjorn Andersson Committed by Stephen Boyd
Browse files

clk: qcom: gdsc: Handle GDSC regulator supplies



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: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lkml.kernel.org/r/20200417070044.1376212-2-bjorn.andersson@linaro.org


Reviewed-by: default avatarVinod Koul <vkoul@kernel.org>
Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent f47ab3c2
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment