Hello Bjorn, > From: Bjorn Helgaas, Sent: Wednesday, July 3, 2024 2:14 AM > > On Tue, Jun 11, 2024 at 09:50:56PM +0900, Yoshihiro Shimoda wrote: > > Add support for r8a779g0 (R-Car V4H). > > > > This driver previously supported r8a779f0 (R-Car S4-8). PCIe features > > of both r8a779f0 and r8a779g0 are almost all the same. For example: > > - PCI Express Base Specification Revision 4.0 > > This item is too general to be really useful. I don't think it means > the device supports every feature described in the r4.0 spec. I > suspect it means it supports the 16.0 GT/s transfer rate that was > added in r4.0? *That* would be useful information here. Perhaps also > the number of lanes it supports. You're correct. The device doesn't support every feature described in the r4.0 spec. The device supports the 16.0 GT/s transfer rate. Also, it supports up to 4 lanes. Best regards, Yoshihiro Shimoda