From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 37BF936EA99; Fri, 31 Jul 2026 21:41:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785534106; cv=none; b=IL3trbBSCEEAQj5S3buVuuFQXrcxTs9vxp918SoAfUghGlVd6vCqEaxdFIKn/dlmqnC8nJxcfnLXZvAhUiV5Ck4WDvTRCpg2XkglXM/8F4QyjIQZ2FetAsbu+h3Uw42D9+eK7elimy+zXafcGrskK+Yd0Ex3BsLDOqxdwmjIeVg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785534106; c=relaxed/simple; bh=YNgCBdXPlRiNptTjWsEecFhkyztCKu86KWZVRqqypZ4=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; b=IUehry/yMyYaU6PG/BODrZkTl4GS6UmBQUz11ftV/dONifs51HGiH3NVut9RunNOqA8NIPnEmQpi1HO6HtMHuW0ZVLZVB93UXD6xQBFAl43wORc1H3Yg+297Z+WpxaiRRzcXYcU7lo4xddAs9iTZ0fA09EFqyn/vutv8MLUAssA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bM4FnJGn; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="bM4FnJGn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A3E921F00ACA; Fri, 31 Jul 2026 21:41:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785534104; bh=KwhAVEKoQ3+sYU+Q6M3Vy0t6IX91N0gLzTKWuR2dj5E=; h=Date:From:To:Cc:Subject:In-Reply-To; b=bM4FnJGn7DSoMT/C/8IRLDwiyf1GFuyorslBXsyVF/QXh3pd+5KSqveMi1RQTCTBP gPru0tMGgFfotbus3hwuG18JMR1GUi/62MkyOWR9adHMIdrC86RbAN97pDWkVJYZkO zkUnXIwe7iFktCR534yYbLfTriNpi6FVcgOdX+nsXqMPSSPI4d+W8CfSYb9eXa4HW2 V6aNwaftyxRiIgd69/CcK/NrigWcqhi6JrX9knk+9dKnjYDisrUre0L68bYeq5JxTg FJVM3y+Hntq57jgs0W0bED2zAXsptUIDyL4yeD29q0kraP94L4IBDEi6vYq54pwWfS UOSVvRoE2UV2Q== Date: Fri, 31 Jul 2026 16:41:43 -0500 From: Bjorn Helgaas To: Randy Dunlap Cc: Mark Brown , Linux Next Mailing List , Linux Kernel Mailing List , linux-pci@vger.kernel.org, Takuma Fujiwara , Hans Zhang <18255117159@163.com>, Pengpeng Hou , Manivannan Sadhasivam Subject: Re: linux-next: Tree for Jul 30 (pci/controller/cadence/) Message-ID: <20260731214143.GA1657481@bhelgaas> Precedence: bulk X-Mailing-List: linux-next@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260731002742.GA1538321@bhelgaas> On Thu, Jul 30, 2026 at 07:27:42PM -0500, Bjorn Helgaas wrote: > [+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 I was unable to reproduce this issue, so I didn't do anything. I didn't figure out how to make CONFIG_PCIE_CADENCE_EP=m; the config I used was: CONFIG_PCIE_CADENCE=y # CONFIG_PCIE_CADENCE_DEBUGFS is not set CONFIG_PCIE_CADENCE_HOST=y CONFIG_PCIE_CADENCE_EP=y CONFIG_PCIE_CADENCE_PLAT=y CONFIG_PCIE_CADENCE_PLAT_HOST=y CONFIG_PCIE_CADENCE_PLAT_EP=m > > (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 > >