On Wed, Nov 6, 2024 at 10:28 PM Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote: > > On Fri, Oct 25, 2024 at 01:24:52PM +0530, Manivannan Sadhasivam via B4 Relay wrote: > > From: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> > > > > Currently, pwrctl devices are created if the corresponding PCI nodes are > > defined in devicetree. But this is not correct, because not all PCI nodes > > defined in devicetree require pwrctl support. Pwrctl comes into picture > > only when the device requires kernel to manage its power state. This can > > be determined using the power supply properties present in the devicetree > > node of the device. > > > +bool of_pci_is_supply_present(struct device_node *np) > > +{ > > + struct property *prop; > > + char *supply; > > + > > + if (!np) > > + return false; > > Why do we need to test !np here? It should always be non-NULL. > Right, I think this can be dropped. We check for the OF node in the function above. Bart