Ian Munsie <imun...@au1.ibm.com> writes: > diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c > b/arch/powerpc/platforms/powernv/pci-ioda.c > index 3a5ea82..5a42e98 100644 > --- a/arch/powerpc/platforms/powernv/pci-ioda.c > +++ b/arch/powerpc/platforms/powernv/pci-ioda.c > @@ -2793,7 +2793,9 @@ int pnv_phb_to_cxl_mode(struct pci_dev *dev, uint64_t > mode) > pe_info(pe, "Switching PHB to CXL\n"); > > rc = opal_pci_set_phb_cxl_mode(phb->opal_id, mode, pe->pe_number); > - if (rc) > + if (rc == OPAL_UNSUPPORTED) > + dev_err(&dev->dev, "Required cxl mode not supported by firmware > - update skiboot\n"); > + else if (rc) > dev_err(&dev->dev, "opal_pci_set_phb_cxl_mode failed: > %i\n", rc);
Could mention version required, which would be skiboot 5.3.x or higher. This could be something we start doing - there's enough random bits of functionality we could tell the user exactly what they have to upgrade to to have work. -- Stewart Smith OPAL Architect, IBM. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev