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Date: Tue, 4 Apr 2017 16:02:10 +0200
From: Marc Gonzalez <marc_gonzalez@...madesigns.com>
To: Arnd Bergmann <arnd@...db.de>, Bjorn Helgaas <bhelgaas@...gle.com>
CC: Jayachandran C <jchandra@...adcom.com>,
Tomasz Nowicki <tn@...ihalf.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Dongdong Liu <liudongdong3@...wei.com>,
Christopher Covington <cov@...eaurora.org>,
Duc Dang <dhdang@....com>, <linux-pci@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, Mason <slash.tmp@...e.fr>
Subject: Re: [PATCH] PCI: generic: stop hiding pci_host_common_probe
declaration
On 21/03/2017 16:59, Arnd Bergmann wrote:
> When pci_host_common_probe() was moved into a separate module, the #ifdef around
> the declaration was left in the header file, which can lead to build errors in
> some configurations:
>
> drivers/pci/host/pci-thunder-pem.c: In function 'thunder_pem_probe':
> drivers/pci/host/pci-thunder-pem.c:412:9: error: implicit declaration of function 'pci_host_common_probe';did you mean 'pci_host_bridge_priv'? [-Werror=implicit-function-declaration]
>
> The ifdef serves no real purpose anyway, so we can just remove it.
>
> Fixes: 4e64dbe226e7 ("PCI: generic: Expose pci_host_common_probe() for use by other drivers")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
> include/linux/pci-ecam.h | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/include/linux/pci-ecam.h b/include/linux/pci-ecam.h
> index f0d2b9451270..92a73847e1d3 100644
> --- a/include/linux/pci-ecam.h
> +++ b/include/linux/pci-ecam.h
> @@ -68,9 +68,7 @@ extern struct pci_ecam_ops xgene_v1_pcie_ecam_ops; /* APM X-Gene PCIe v1 */
> extern struct pci_ecam_ops xgene_v2_pcie_ecam_ops; /* APM X-Gene PCIe v2.x */
> #endif
>
> -#ifdef CONFIG_PCI_HOST_GENERIC
> /* for DT-based PCI controllers that support ECAM */
> int pci_host_common_probe(struct platform_device *pdev,
> struct pci_ecam_ops *ops);
> #endif
> -#endif
>
I ran into this issue as well (on v4.9) and submitted a patch a week
after you did, by pure coincidence:
Subject: [TRIVIAL PATCH] PCI: Change pci_host_common_probe visibility
Date: Tue, 28 Mar 2017 17:29:51 +0200
https://www.spinics.net/lists/linux-pci/msg59823.html
Regards.
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