On 05/03/2024 17:57, Sriram Dash wrote: > Some target systems allow multiple resources to be managed by firmware. Which? Why this is so vague... > On these targets, tasks related to clocks, regulators, resets, and > interconnects can be delegated to the firmware, while the remaining > responsibilities are handled by Linux. > > To support the management of partial resources in Linux and leave the rest > to firmware, multiple power domains are introduced. Each power domain can > manage one or more resources, depending on the specific use case. > > These power domains handle SCMI calls to the firmware, enabling the > activation and deactivation of firmware-managed resources. > > The driver is responsible for managing multiple power domains and > linking them to consumers as needed. Incase there is only single > power domain, it is considered to be a standard GDSC hooked on to > the qcom dt node which is read and assigned to device structure > (by genpd framework) before the driver probe even begins. This will break the ABI. Sorry, come with an ABI stable solution. Best regards, Krzysztof
