Re: [PATCH v2 RESEND 1/1] PCI: pcie_bus_config can be set at build time

[Jim Quinlan]

On Wed, Feb 25, 2026 at 8:23 AM Niklas Cassel <cassel@xxxxxxxxxx> wrote:
>
> On Tue, Feb 24, 2026 at 04:10:17PM -0500, Jim Quinlan wrote:
> > On Fri, Feb 20, 2026 at 5:11 PM Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote:
> > > On Mon, Sep 28, 2020 at 03:46:51PM -0400, Jim Quinlan wrote:
> > > > The Kconfig is modified so that the pcie_bus_config setting can be done at
> > > > build time in the same manner as the CONFIG_PCIEASPM_XXXX choice.  The
> > > > pci_bus_config setting may still be overridden by the bootline param.
>
> Hello Jim,
>
> Could you perhaps test this series:
> https://lore.kernel.org/linux-pci/20251127170908.14850-1-18255117159@xxxxxxx/
>
>
> Since the series above only defaults by setting MPS to MPSS for the
> Root Port (and no other devices), for kernels with PCIE_BUS_SAFE=y
> pcie_bus_configure_settings() will still be called for each downstream
> device, so it should not affect your CM product.
>
> But, it would be nice if you could test the series anyway, just to
> verify.

Hello Niklas,

Unfortunately I do not have the specific board that required us to use
the PCIE_BUS_SAFE setting, so I really cannot do a proper test of your
series.  I typically only test things on our STB boards using non-Brcm
devices that have stock upstream drivers.

Sorry & regards,
Jim Quinlan
Broadcom CM/STB

>
>
> Kind regards,
> Niklas

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