[PATCH 1/3] net: introduce phylib

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Sun Sep 16 04:28:13 EDT 2012


On 10:11 Sun 16 Sep     , Sascha Hauer wrote:
> On Fri, Sep 14, 2012 at 09:57:04AM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > 
> > Adapt phylib from linux
> > 
> > switch all the driver to it
> > 
> > This will allow to have
> >  - phy drivers
> >  - to only connect the phy at then opening of the device
> >  - if the phy is not ready fail on open
> > 
> > Same behaviour as in linux and will allow to share code and simplify porting.
> > 
> > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> > ---
> 
> [...]
> 
>  +
> > +/* Automatically gets and returns the PHY device */
> > +int phy_device_connect(struct mii_device *bus, int addr,
> > +		void (*adjust_link) (struct mii_device *miidev))
> 
> The prototype of adjust_link seems wrong. A mii_device is a mii bus with
> potentially multiple phys. adjust_link should work on the phy_device. With
> the above, when a mii_device has multiple phys, a network driver has no
> way to figure out which phy has an updated link.
> 
> This probably bites Renaud who has a single mii bus for multiple network
> devices.
not really as the phydev have a bus field so will be the same

but I guess we wil have to do like in linux attacehd the phydev to the
eth_device

Best Regars,
J.



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