Messages in this thread Patch in this message | | | From | Grant Likely <> | Subject | Re: [PATCH RFC] net: of_mdio: Scan PHYs which have device_type set to ethernet-phy | Date | Wed, 11 Dec 2013 09:15:44 +0000 |
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On Wed, 11 Dec 2013 07:15:54 +0000, Florian Fainelli <f.fainelli@gmail.com> wrote: > Le jeudi 14 novembre 2013, 15:05:56 Srinivas Kandagatla a écrit : > > According to Documentation/devicetree/bindings/net/phy.txt device_type > > property of PHY nodes is mandatory, which should be set to > > "ethernet-phy". This patch adds check in scanning phys and only scans > > node which have device-type set to "ethernet-phy". > > Please CC netdev@vger.kernel.org as there might be networking folks not > actively following devicetree-discuss. > > > > > Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> > > --- > > drivers/of/of_mdio.c | 7 +++++++ > > 1 files changed, 7 insertions(+), 0 deletions(-) > > > > diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c > > index d5a57a9..78c53c7 100644 > > --- a/drivers/of/of_mdio.c > > +++ b/drivers/of/of_mdio.c > > @@ -57,6 +57,9 @@ int of_mdiobus_register(struct mii_bus *mdio, struct > > device_node *np) > > > > /* Loop over the child nodes and register a phy_device for each one */ > > for_each_available_child_of_node(np, child) { > > + /* A PHY must have device_type set to "ethernet-phy" */ > > + if (of_node_cmp(child->type, "ethernet-phy")) > > + continue; > > As already stated by Grant this will break quite a lot of platforms out there. > Technically speaking, ePAPR v1.1 only specifies that "cpu" and "memory" nodes > should have a "device_type" property for compatibility. Altough I do agree > that it is nice to have a properly set "device_type", we can't always rely on > that.
Actually it is the opposite. device_type is deprecated and has been for a long time now. Device bindings should not not be using device_type unless it is there for legacy compatibility.
g.
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