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Date: Fri, 16 Mar 2018 11:15:02 -0400 (EDT) From: David Miller <davem@...hat.com> To: brad.mouring@...com Cc: nicolas.ferre@...rochip.com, robh+dt@...nel.org, m.grzeschik@...gutronix.de, andrew@...n.ch, mark.rutland@....com, netdev@...r.kernel.org, julia@...com, devicetree@...r.kernel.org Subject: Re: [PATCH v5 net-next 0/4] net: macb: Introduce phy-handle DT functionality From: Brad Mouring <brad.mouring@...com> Date: Tue, 13 Mar 2018 16:32:12 -0500 > Consider the situation where a macb netdev is connected through > a phydev that sits on a mii bus other than the one provided to > this particular netdev. This situation is what this patchset aims > to accomplish through the existing phy-handle optional binding. > > This optional binding (as described in the ethernet DT bindings doc) > directs the netdev to the phydev to use. This is precisely the > situation this patchset aims to solve, so it makes sense to introduce > the functionality to this driver (where the physical layout discussed > was encountered). > > The devicetree snippet would look something like this: ... > The work done to add the phy_node in the first place (dacdbb4dfc1a1: > "net: macb: add fixed-link node support") will consume the > device_node (if found). > > v2: Reorganization of mii probe/init functions, suggested by Andrew Lunn > v3: Moved some of the bus init code back into init (erroneously moved to probe) > some style issues, and an unintialized variable warning addressed. > v4: Add Reviewed-by: tags > Skip fallback code if phy-handle phandle is found > v5: Cleanup formatting issues > Fix compile failure introduced in 1/4 "net: macb: Reorganize macb_mii > bringup" > Fix typo in "Documentation: macb: Document phy-handle binding" Series applied, thank you.
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