linux-kernel - Re: [PATCH] PCI/pwrctrl: Skip creating platform device unless CONFIG_PCI

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Message-ID: <aDFnWhFa9ZGqr67T@wunner.de>
Date: Sat, 24 May 2025 08:29:46 +0200
From: Lukas Wunner <lukas@...ner.de>
To: Bjorn Helgaas <helgaas@...nel.org>
Cc: linux-pci@...r.kernel.org,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	Cyril Brulebois <kibi@...ian.org>,
	Nicolas Saenz Julienne <nsaenz@...nel.org>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
	Krzysztof Wilczy??ski <kwilczynski@...nel.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Jim Quinlan <james.quinlan@...adcom.com>,
	bcm-kernel-feedback-list@...adcom.com, linux-kernel@...r.kernel.org,
	Bjorn Helgaas <bhelgaas@...gle.com>
Subject: Re: [PATCH] PCI/pwrctrl: Skip creating platform device unless
 CONFIG_PCI_PWRCTL enabled

On Fri, May 23, 2025 at 09:42:07PM -0500, Bjorn Helgaas wrote:
> What I would prefer is something like the first paragraph in that
> section: the #ifdef in a header file that declares the function and
> defines a no-op stub, with the implementation in some pwrctrl file.

pci_pwrctrl_create_device() is static, but it is possible to #ifdef
the whole function in the .c file and provide the stub in an #else
branch.  That's easier to follow than #ifdef'ing portions of the
function.

Thanks,

Lukas