Hi Bjorn, Thank you for the review. On Thu, Apr 9, 2020 at 12:51 AM Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote: > > Maybe: > > PCI: rcar: Add endpoint mode support > > so the important "endpoint mode" part is early and doesn't get chopped > off or wrapped. We already know it's PCIe and rcar-related. > Agreed will change it. > On Wed, Apr 08, 2020 at 04:37:58PM +0100, Lad Prabhakar wrote: > > This patch adds support for R-Car PCIe controller to work in endpoint mode. > > s/This patch adds/Add/ > OK > > +static int rcar_pcie_ep_set_bar(struct pci_epc *epc, u8 func_no, > > + struct pci_epf_bar *epf_bar) > > +{ > > + int flags = epf_bar->flags | LAR_ENABLE | LAM_64BIT; > > + struct rcar_pcie_endpoint *ep = epc_get_drvdata(epc); > > + u64 size = 1ULL << fls64(epf_bar->size - 1); > > + dma_addr_t cpu_addr = epf_bar->phys_addr; > > + enum pci_barno bar = epf_bar->barno; > > + struct rcar_pcie *pcie = &ep->pcie; > > + u32 mask; > > + int idx; > > + int err; > > + > > + idx = find_first_zero_bit(ep->ib_window_map, ep->num_ib_windows); > > + if (idx >= ep->num_ib_windows) { > > + dev_err(pcie->dev, "no free inbound window\n"); > > + return -EINVAL; > > + } > > + > > + if ((flags & PCI_BASE_ADDRESS_SPACE) == PCI_BASE_ADDRESS_SPACE_IO) > > + flags |= IO_SPACE; > > + > > + ep->bar_to_atu[bar] = idx; > > + /* use 64 bit bars */ > > s/64 bit bars/64-bit BARs/ > OK shall replace it. > > +static const struct pci_epc_features rcar_pcie_epc_features = { > > + .linkup_notifier = false, > > + .msi_capable = true, > > + .msix_capable = false, > > + /* use 64-bit bars so mark bar1/3/5 as reserved */ > > s/bar/BAR/g OK shall replace it. Cheers, --Prabhakar