Re: [PATCH v4 5/5] PCI: cadence: Add callback functions for RP and EP controller

[Hans Zhang]

On 2025/4/26 00:27, Krzysztof Kozlowski wrote:
> EXTERNAL EMAIL
>
> On 24/04/2025 03:04, hans.zhang@xxxxxxxxxxx wrote:
> > From: Manikandan K Pillai <mpillai@xxxxxxxxxxx>
> >
> > Add support for the Cadence PCIe HPA controller by adding
> > the required callback functions. Update the common functions for
> > RP and EP configuration. Invoke the relevant callback functions
> > for platform probe of PCIe controller using the callback function.
> > Update the support for TI J721 boards to use the updated Cadence
> > PCIe controller code.
> >
> > Signed-off-by: Manikandan K Pillai <mpillai@xxxxxxxxxxx>
> > Co-developed-by: Hans Zhang <hans.zhang@xxxxxxxxxxx>
> > Signed-off-by: Hans Zhang <hans.zhang@xxxxxxxxxxx>
> > ---
> >   drivers/pci/controller/cadence/pci-j721e.c    |  12 +
> >   .../pci/controller/cadence/pcie-cadence-ep.c  |  29 +-
> >   .../controller/cadence/pcie-cadence-host.c    | 263 ++++++++++++++++--
> >   .../controller/cadence/pcie-cadence-plat.c    |  27 +-
> >   drivers/pci/controller/cadence/pcie-cadence.c | 197 ++++++++++++-
> >   drivers/pci/controller/cadence/pcie-cadence.h |  11 +-
> >   6 files changed, 495 insertions(+), 44 deletions(-)
> >
> > diff --git a/drivers/pci/controller/cadence/pci-j721e.c b/drivers/pci/controller/cadence/pci-j721e.c
> > index ef1cfdae33bb..154b36c30101 100644
> > --- a/drivers/pci/controller/cadence/pci-j721e.c
> > +++ b/drivers/pci/controller/cadence/pci-j721e.c
> > @@ -164,6 +164,14 @@ static const struct cdns_pcie_ops j721e_pcie_ops = {
> >        .start_link = j721e_pcie_start_link,
> >        .stop_link = j721e_pcie_stop_link,
> >        .link_up = j721e_pcie_link_up,
> > +     .host_init_root_port = cdns_pcie_host_init_root_port,
> > +     .host_bar_ib_config = cdns_pcie_host_bar_ib_config,
> > +     .host_init_address_translation = cdns_pcie_host_init_address_translation,
> > +     .detect_quiet_min_delay_set = cdns_pcie_detect_quiet_min_delay_set,
> > +     .set_outbound_region = cdns_pcie_set_outbound_region,
> > +     .set_outbound_region_for_normal_msg =
> > +                                         cdns_pcie_set_outbound_region_for_normal_msg,
> > +     .reset_outbound_region = cdns_pcie_reset_outbound_region,
>
> How did you resolve Rob's comments?
>
> These were repeated I think three times finally with:
>
> "Please listen when I say we do not want the ops method used in other
> drivers. "
>
> I think you just send the same ignoring previous discussion which is the
> shortest way to get yourself NAKed.

Hi Manikandan,

Please reply to Krzysztof's question.

Best regards,
Hans