Thank you Lars, On Tue, Mar 09, 2021 at 11:46:54AM +0100, Lars-Peter Clausen wrote: > On 3/9/21 11:11 AM, Philippe De Muyter wrote: >> I use a kernel provided by nvidia that is called tegra-l4t-r32.3.1, but >> is based on v4.9. >> Although the patch that provides automatically stub regulators >> 4ddfebd3b "regulator: core: Provide a dummy regulator with full >> constraints" >> is older than v3.13, I have found in the commits of my kernel on top of >> v4.9, this one > [...] >> And CONFIG_REGULATOR_DUMMY is disabled in the default kernel configuration >> provided by nvidia :( > > To work around this you can add a fixed-regulator to your devicetree and > connect it to the IMU. > Seehttps://www.kernel.org/doc/Documentation/devicetree/bindings/regulator/fixed-regulator.txt I have enabled REGULATOR_DUMMY and that solved the problem. Philippe
