[PATCH 1/3] pci: Update the highest subordinate bus number for bridge setup

[Tim Harvey]

On Fri, Apr 16, 2021 at 3:30 PM Masami Hiramatsu
<masami.hiramatsu at linaro.org> wrote:
>
> Hi Tim,
>
> Thanks for picking it up. I'll drop this patch from the next version.
>
> Thank you,
>
> 2021年4月17日(土) 6:53 Tim Harvey <tharvey at gateworks.com>:
> >
> > From: Masami Hiramatsu <masami.hiramatsu at linaro.org>
> >
> > Update the highest subordinate bus number after probing the devices
> > under the bus for setting up the bridge correctly.
> > The commit 42f3663a3f67 ("pci: Update to use new sequence numbers")
> > removed this but it is required if a PCIe bridge is under the bus.
> >
> > Fixes: 42f3663a3f67 ("pci: Update to use new sequence numbers")
> > Signed-off-by: Masami Hiramatsu <masami.hiramatsu at linaro.org>
> > ---
> >  drivers/pci/pci-uclass.c | 3 +++
> >  1 file changed, 3 insertions(+)
> >
> > diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c
> > index dfd54b339f..f463ef3550 100644
> > --- a/drivers/pci/pci-uclass.c
> > +++ b/drivers/pci/pci-uclass.c
> > @@ -646,6 +646,9 @@ int dm_pci_hose_probe_bus(struct udevice *bus)
> >                 return log_msg_ret("probe", ret);
> >         }
> >
> > +       if (!ea_pos)
> > +               sub_bus = pci_get_bus_max();
> > +
> >         dm_pciauto_postscan_setup_bridge(bus, sub_bus);
> >
> >         return sub_bus;
> > --
> > 2.17.1
> >

Masami,

I'm not a maintainer, I just re-posted it. I do need this fix for my
Gateworks Ventana driver-model conversion completion however so I put
it in my series as well. Hopefully 'someone' will pick it up :)

Tim