linux-kernel - Re: linux-next: build warning after merge of the iommu tree

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Message-ID: <e4db08ff-256d-5273-f02e-f8d0533efe04@linux.intel.com>
Date:   Wed, 27 Feb 2019 10:48:53 -0800
From:   sathyanarayanan kuppuswamy 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Joerg Roedel <joro@...tes.org>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the iommu tree

Hi,

On 2/26/19 6:20 PM, Stephen Rothwell wrote:
> Hi Joerg,
>
> After merging the iommu tree, today's linux-next build (arm
> multi_v7_defconfig) produced this warning:
>
> In file included from drivers/pci/pci.c:32:
> include/linux/pci-ats.h:70:12: warning: 'pci_prg_resp_pasid_required' defined but not used [-Wunused-function]
>   static int pci_prg_resp_pasid_required(struct pci_dev *pdev)
>              ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> Introduced by commit
>
>    e5567f5f6762 ("PCI/ATS: Add pci_prg_resp_pasid_required() interface.")
>
> The non CONFIG_PCI_PASID version needs an "inline".
I can submit the fix, but do we need a new patch to fix it or the 
original patch can be updated ?
>
-- 
Sathyanarayanan Kuppuswamy
Linux kernel developer