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Date: Thu, 30 Jul 2026 19:27:42 -0500
From: Bjorn Helgaas <helgaas@kernel.org>
To: Randy Dunlap <rdunlap@infradead.org>
Cc: Mark Brown <broonie@kernel.org>,
	Linux Next Mailing List <linux-next@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-pci@vger.kernel.org, Takuma Fujiwara <t-fujiwara1@ti.com>,
	Hans Zhang <18255117159@163.com>,
	Pengpeng Hou <pengpeng@iscas.ac.cn>,
	Manivannan Sadhasivam <mani@kernel.org>
Subject: Re: linux-next: Tree for Jul 30 (pci/controller/cadence/)
Message-ID: <20260731002742.GA1538321@bhelgaas>
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In-Reply-To: <589ea512-93c6-4e1c-83d7-ba45a0b35843@infradead.org>

[+cc authors of everything on pci/controller/cadence; I haven't
triaged this at all, sorry, and don't have time right now to drop that
branch from pci/next]

On Thu, Jul 30, 2026 at 04:06:44PM -0700, Randy Dunlap wrote:
> 
> 
> On 7/30/26 8:02 AM, Mark Brown wrote:
> > Hi all,
> > 
> > Changes since 20260729:
> > 
> 
> (1) /usr/bin/ld.bfd: drivers/pci/controller/cadence/pcie-cadence-plat.o: in function `cdns_plat_pcie_probe':
> pcie-cadence-plat.c:(.text+0x2f8): undefined reference to `cdns_pcie_ep_setup'
> 
> In this case, a builtin driver attempts to call into a loadable module:
> 
> #
> # Cadence-based PCIe controllers
> #
> CONFIG_PCIE_CADENCE=y
> # CONFIG_PCIE_CADENCE_DEBUGFS is not set
> CONFIG_PCIE_CADENCE_HOST=y
> CONFIG_PCIE_CADENCE_EP=m
> CONFIG_PCIE_CADENCE_PLAT=y
> CONFIG_PCIE_CADENCE_PLAT_HOST=y
> CONFIG_PCIE_CADENCE_PLAT_EP=m
> # end of Cadence-based PCIe controllers
> 
> (2) /usr/bin/ld.bfd: drivers/pci/controller/cadence/pcie-cadence-plat.o: in function `cdns_plat_pcie_probe':
> pcie-cadence-plat.c:(.text+0x11f): undefined reference to `cdns_pcie_host_setup'
> 
> 
> This is similar, just a different driver is =m in the failure case.
> 
> #
> # Cadence-based PCIe controllers
> #
> CONFIG_PCIE_CADENCE=y
> CONFIG_PCIE_CADENCE_DEBUGFS=y
> CONFIG_PCIE_CADENCE_HOST=m
> CONFIG_PCIE_CADENCE_EP=y
> CONFIG_PCIE_CADENCE_PLAT=y
> CONFIG_PCIE_CADENCE_PLAT_HOST=m
> CONFIG_PCIE_CADENCE_PLAT_EP=y
> 
> 
> -- 
> ~Randy
>