RE: linux-next: build failure after merge of the pci tree

From: Yoshihiro Shimoda
Date: Mon Oct 23 2023 - 05:36:43 EST


Hello Krzysztof,

> From: Krzysztof Wilczyński, Sent: Monday, October 23, 2023 4:35 PM
>
> > > Hi all,
> > >
> > > After merging the pci tree, today's linux-next build (x86_64 allmodconfig)
> > > failed like this:
> > >
> > > ERROR: modpost: "dw_pcie_write_dbi2" [drivers/pci/controller/dwc/pcie-rcar-gen4.ko] undefined!
> [...]
>
> > However, I completely forgot it...
>
> That's OK. Don't worry. :)
>
> > https://lore.kernel.org/linux-pci/20230926122431.3974714-8-yoshihiro.shimoda.uh@xxxxxxxxxxx/
> >
> > I confirmed that the patch above can be applied on the latest pci.git / next branch.
>
> I will take care of it.

Thank you very much for your support!

> > However, should I resend whole patches with the patch above as v26?
>
> No. There is no need to send another series.

I got it.

> Different question: aren't RCar systems based on Arm?

You're correct. R-Car systems based on Arm.

> I wonder why this
> even built on a x86_64 - unless I am wrong about this.

This is because I added COMPILE_TEST to the Kconfig like below:

---
config PCIE_RCAR_GEN4_HOST
tristate "Renesas R-Car Gen4 PCIe controller (host mode)"
depends on ARCH_RENESAS || COMPILE_TEST
---

Best regards,
Yoshihiro Shimoda

> Krzysztof