Re: [PATCH 0/6] PCI: Allow for future resource expansion on initial root bus scan

[Mika Westerberg <mika.westerberg@linux.intel.com>]

On Wed, Aug 31, 2022 at 05:20:14PM +0300, Andy Shevchenko wrote:
> On Tue, Aug 16, 2022 at 01:07:34PM +0300, Mika Westerberg wrote:
> > Hi,
> > 
> > The series works around an issue found on some Dell systems where
> > booting with Thunderbolt/USB4 devices connected the BIOS leaves some of
> > the PCIe devices unconfigured. If the connected devices that are not
> > configured have PCIe hotplug ports as well the initial root bus scan
> > only reserves the minimum amount of resources to them making any
> > expansion happening later impossible.
> > 
> > We do already distribute the "spare" resources between hotplug ports on
> > hot-add but we have not done that upon the initial scan. The first three
> > patches make the initial root bus scan path to do the same.
> > 
> > The additional three patches are just a small cleanups that can be
> > applied separately too.
> > 
> > The related bug: https://bugzilla.kernel.org/show_bug.cgi?id=216000.
> 
> With split and squash or not, LGTM,
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Thanks Andy!

I will do the changes you suggested in v2.