On Wed, 24 Apr 2024 14:01:02 +0900 "Kobayashi,Daisuke" <kobayashi.da-06@xxxxxxxxxxx> wrote: > Add sysfs attribute for CXL 1.1 device link status to the cxl pci device. > > In CXL1.1, the link status of the device is included in the RCRB mapped to > the memory mapped register area. Critically, that arrangement makes the > link status and control registers invisible to existing PCI user tooling. > > Export those registers via sysfs with the expectation that PCI user > tooling will alternatively look for these sysfs files when attempting to > access to these CXL 1.1 endpoints registers. > > Signed-off-by: "Kobayashi,Daisuke" <kobayashi.da-06@xxxxxxxxxxx> Looks good to me. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
