From: Sascha Hauer <s.hauer@pengutronix.de>
To: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 1/3] net: introduce phylib
Date: Sun, 16 Sep 2012 10:34:10 +0200 [thread overview]
Message-ID: <20120916083410.GF6180@pengutronix.de> (raw)
In-Reply-To: <20120916082813.GE25990@game.jcrosoft.org>
On Sun, Sep 16, 2012 at 10:28:13AM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> 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@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
Renaud has two phys on the same mii bus, so when he is passed a struct
mii_device, how can he get a pointer to his network device? He can't.
Sascha
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next prev parent reply other threads:[~2012-09-16 8:34 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-14 7:37 [PATCH 0/3 v3] net: check error and " Jean-Christophe PLAGNIOL-VILLARD
2012-09-14 7:57 ` [PATCH 1/3] net: " Jean-Christophe PLAGNIOL-VILLARD
2012-09-14 7:57 ` [PATCH 2/3] net: catch error on eth_send Jean-Christophe PLAGNIOL-VILLARD
2012-09-16 9:57 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-14 7:57 ` [PATCH 3/3] net: move the eth_dev status detection at driver level Jean-Christophe PLAGNIOL-VILLARD
2012-09-16 8:12 ` Sascha Hauer
2012-09-15 12:24 ` [PATCH 1/3] net: introduce phylib Sascha Hauer
2012-09-16 8:11 ` Sascha Hauer
2012-09-16 8:28 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-16 8:34 ` Sascha Hauer [this message]
2012-09-16 9:02 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-16 9:13 ` Sascha Hauer
2012-09-16 9:41 ` Jean-Christophe PLAGNIOL-VILLARD
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