linux-kernel - Re: [PATCH 0/4] PCI: Add support and tests for FIXUP quirks in modules

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Message-ID: <aNGR0x185VGHxSde@infradead.org>
Date: Mon, 22 Sep 2025 11:13:39 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Brian Norris <briannorris@...omium.org>
Cc: Christoph Hellwig <hch@...radead.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Luis Chamberlain <mcgrof@...nel.org>,
	Petr Pavlu <petr.pavlu@...e.com>,
	Daniel Gomez <da.gomez@...nel.org>, linux-pci@...r.kernel.org,
	David Gow <davidgow@...gle.com>, Rae Moar <rmoar@...gle.com>,
	linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-modules@...r.kernel.org,
	Johannes Berg <johannes@...solutions.net>,
	Sami Tolvanen <samitolvanen@...gle.com>,
	Richard Weinberger <richard@....at>, Wei Liu <wei.liu@...nel.org>,
	Brendan Higgins <brendan.higgins@...ux.dev>,
	kunit-dev@...glegroups.com,
	Anton Ivanov <anton.ivanov@...bridgegreys.com>,
	linux-um@...ts.infradead.org
Subject: Re: [PATCH 0/4] PCI: Add support and tests for FIXUP quirks in
 modules

On Mon, Sep 15, 2025 at 11:41:37AM -0700, Brian Norris wrote:
> I see fixups in controller drivers here:
> 
> drivers/pci/controller/dwc/pci-imx6.c
> drivers/pci/controller/dwc/pci-keystone.c
> drivers/pci/controller/dwc/pcie-qcom.c
> drivers/pci/controller/pci-loongson.c
> drivers/pci/controller/pci-tegra.c
> drivers/pci/controller/pcie-iproc-bcma.c
> drivers/pci/controller/pcie-iproc.c
> 
> Are any of those somehow wrong?

Controller drivers are a special case I guess, but I'd rather still
not open it up to any random driver.  When did we allow modular
controller drivers anyway?  That feels like a somewhat bad idea, too.