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SubjectRe: [PATCH] pci: add pci_clear_master() stub for !CONFIG_PCI
On Tue, Mar 08, 2016 at 05:10:17PM -0600, Bjorn Helgaas wrote:
> Hi Michael,
>
> On Tue, Mar 08, 2016 at 04:34:41PM -0600, Michael Auchter wrote:
> > Add a stub for pci_clear_master() for when CONFIG_PCI is not set,
> > similar to what's done for pci_set_master().
>
> Does this fix a problem? If so, what is it? Some driver that doesn't
> build when CONFIG_PCI is not set?

I ran into a build failure caused by this not being defined while
compile testing an out-of-tree driver with various configs. It seemed to
me that the lack of a stub may have just been an oversight from when
pci_clear_master() was added.

It looks like all in-tree users of pci_clear_master() correctly declare
a dependency on PCI via Kconfig, so this doesn't really fix a problem,
just makes pci_clear_master more symmetric with pci_set_master.

Cheers,
Michael

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