On Thu, 01 Jul 2021, Hans de Goede wrote: > Hi, > > On 6/30/21 11:11 PM, David E. Box wrote: > > On Wed, 2021-06-30 at 11:15 +0100, Lee Jones wrote: > >> On Thu, 17 Jun 2021, David E. Box wrote: > >> > >>> Unlike the other devices in intel_pmt, the Out of Band Management > >>> Services > >>> Module (OOBMSM) is actually not a PMT dedicated device. It can also > >>> be used > >>> to describe non-PMT capabilities. Like PMT, these capabilities are > >>> also > >>> enumerated using PCIe Vendor Specific registers in config space. In > >>> order > >>> to better support these devices without the confusion of a > >>> dependency on > >>> MFD_INTEL_PMT, remove the OOBMSM device from intel_pmt so that it > >>> can be > >>> later placed in its own driver. Since much of the same code will be > >>> used by > >>> intel_pmt and the new driver, create a new file with symbols to be > >>> used by > >>> both. > >>> > >>> While performing this split we need to also handle the creation of > >>> platform > >>> devices for the non-PMT capabilities. Currently PMT devices are > >>> named by > >>> their capability (e.g. pmt_telemetry). Instead, generically name > >>> them by > >>> their capability ID (e.g. intel_extnd_cap_2). This allows the IDs > >>> to be > >>> created automatically. However, to ensure that unsupported devices > >>> aren't > >>> created, use an allow list to specify supported capabilities. > >>> > >>> Signed-off-by: David E. Box <david.e.box@xxxxxxxxxxxxxxx> > >>> --- > >>> MAINTAINERS | 1 + > >>> drivers/mfd/Kconfig | 4 + > >>> drivers/mfd/Makefile | 1 + > >>> drivers/mfd/intel_extended_caps.c | 208 > >>> +++++++++++++++++++++ > >> > >> Please consider moving this <whatever this is> out to either > >> drivers/pci or drivers/platform/x86. > > > > None of the cell drivers are in MFD, only the PCI drivers from which > > the cells are created. I understood that these should be in MFD. But > > moving it to drivers/platform/x86 would be fine with me. That keeps the > > code together in the same subsystem. Comment from Hans or Andy? > > I'm fine with moving everything to drivers/platform/x86, but AFAIK > usually the actual code which has the MFD cells and creates the > child devices usually lives under drivers/mfd Correct. It must. No MFD API users outside of drivers/mfd please. -- Lee Jones [李琼斯] Senior Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog