linux-kernel - Re: [PATCH] PCI: Move declaration of of_irq_parse_and_map_pci under OF

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Date:   Mon, 5 Mar 2018 17:29:30 -0600
From:   Rob Herring <robh@...nel.org>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Frank Rowand <frowand.list@...il.com>,
        devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] PCI: Move declaration of of_irq_parse_and_map_pci under OF_IRQ

On Mon, Mar 5, 2018 at 5:19 PM, Guenter Roeck <linux@...ck-us.net> wrote:
> On Mon, Mar 05, 2018 at 03:57:37PM -0600, Rob Herring wrote:
>> On Mon, Feb 26, 2018 at 03:19:05PM -0800, Guenter Roeck wrote:
>> > Since commit 4670d610d5923 ("PCI: Move OF-related PCI functions into
>> > PCI core"), sparc:allmodconfig fails to build with the following error.
>> >
>> > pcie-cadence-host.c:(.text+0x4c4):
>> >     undefined reference to `of_irq_parse_and_map_pci'
>> > pcie-cadence-host.c:(.text+0x4c8):
>> >     undefined reference to `of_irq_parse_and_map_pci'
>> >
>> > of_irq_parse_and_map_pci is now only available if OF_IRQ is enabled.
>> > Make its declaration and its dummy function dependent on OF_IRQ
>> > to solve the problem.
>> >
>> > Fixes: 4670d610d5923 ("PCI: Move OF-related PCI functions into PCI core")
>> > Cc: Rob Herring <robh@...nel.org>
>> > Signed-off-by: Guenter Roeck <linux@...ck-us.net>
>> > ---
>> >  include/linux/of_pci.h | 17 ++++++++++-------
>> >  1 file changed, 10 insertions(+), 7 deletions(-)
>>
>> Bjorn should take this. Can you resend to linux-pci so it is in his
>> queue.
>>
> MAINTAINERS lists you as maintainer and devicetree@...r.kernel.org as
> mailing list. But, sure, no problem.

The commit it fixes went in thru his tree was my reasoning. I'll look
at fixing MAINTAINERS.

Ideally, the header would move to drivers/pci/, but since all the PPC
PCI host code is still in arch/powerpc, it cannot.

Rob