Re: [RFC PATCH 2/5] drivers/base: add a function to test peer to peer capability

From: Jerome Glisse
Date: Tue Jan 29 2019 - 14:54:30 EST


On Tue, Jan 29, 2019 at 11:26:01AM -0700, Logan Gunthorpe wrote:
>
>
> On 2019-01-29 10:47 a.m., jglisse@xxxxxxxxxx wrote:
> > From: Jérôme Glisse <jglisse@xxxxxxxxxx>
> >
> > device_test_p2p() return true if two devices can peer to peer to
> > each other. We add a generic function as different inter-connect
> > can support peer to peer and we want to genericaly test this no
> > matter what the inter-connect might be. However this version only
> > support PCIE for now.
>
> This doesn't appear to be used in any of the further patches; so it's
> very confusing.
>
> I'm not sure a struct device wrapper is really necessary...

I wanted to allow other non pci device to join in the fun but
yes right now i have only be doing this on pci devices.

Jérôme