On Tuesday 22 April 2008 17:36, Scott Wood wrote:
quoted text
> On Tue, Apr 22, 2008 at 05:21:49PM +0200, Laurent Pinchart wrote:
> > As the openfirmware + gpio + mdio driver might benefit non-powerpc
> > platforms, I plan to create a new driver (probably
> > drivers/net/phy/mdio-ofgpio.c) that mostly ports
> > drivers/net/fs_enet/mii-bitbang.c to the gpiolib (this replaces around =
90%
quoted text
> > of the code).=20
> >=20
> > If both drivers/net/fs_enet/mii-bitbang.c and
> > drivers/net/phy/mdio-ofgpio.c must live together,=20
>=20
> The only reason I can see for that would be if the gpiolib version
> doesn't work on arch/ppc -- but that's not going to be a problem for very
> much longer.

Didn't you mention platforms such as ep8248e as well, where mdiobb would be=
=20
the only gpiolib user ?

quoted text
> > I'll have a problem in drivers/net/fs_enet/fs_enet-main.c. The net
> > device probing code searches the device tree for an associated PHY, and
> > creates a PHY id from the PHY node. As the id will be generated from
> > different bus ids in the two mdio drivers (the bus number is the
> > register address for drivers/net/fs_enet/mii-bitbang.c, and is the gpio
> > index for drivers/net/phy/mdio-ofgpio.c), things will break.
> >=20
> > Any idea regarding how to get rid of that fs_enet/mii-bitbang hardcoded=
=20
quoted text
> > dependency ?
>=20
> If mii-bitbang is only used on arch/ppc, then #ifdef CONFIG_PPC_MERGE
> should do it.

Ok.

quoted text
> It'd be nice to be able to give phylib an OF node rather than a string,
> though...

Doesn't phylib have non-OF users ?

=2D-=20
Laurent Pinchart
CSE Semaphore Belgium

Chaussee de Bruxelles, 732A
B-1410 Waterloo
Belgium

T +32 (2) 387 42 59
=46 +32 (2) 387 42 75