Re: Regression due to "PCI: Do not allocate more buses than available in parent"

From: Fabio Estevam
Date: Fri Jan 12 2018 - 10:17:35 EST


Hi Sebastian,

On Fri, Jan 12, 2018 at 1:07 PM, Sebastian Reichel
<sebastian.reichel@xxxxxxxxxxxxxxx> wrote:
> Hi,
>
> I have an ARM/DT based system [0], that no longer finds its ethernet cards
> behind a PCIe switch. I bisected the problem and ended up on
> a20c7f36bd3d. I tried providing some space using the suggested "pci=hpbussize=<N>",
> but it does not seem to work.
>
> I added dmesg for working, broken and broken + parameter below. At
> the moment I would say this is a regression and the commit should be
> reverted.

Does this patch fix the problem?
https://patchwork.ozlabs.org/patch/857566/