lkml.org 
[lkml]   [2020]   [Apr]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v7 6/8] PCI: rcar: Add support for R-Car PCIe controller in endpoint mode
Hi Bjorn,

Thank you for the review.

On Thu, Apr 9, 2020 at 12:51 AM Bjorn Helgaas <helgaas@kernel.org> 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

\
 
 \ /
  Last update: 2020-04-09 12:15    [W:0.082 / U:0.556 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site