[PATCH] drivers/net: spidernet driver on Celleb
Benjamin Herrenschmidt
benh at kernel.crashing.org
Wed Dec 13 14:54:37 EST 2006
On Tue, 2006-12-12 at 19:14 -0600, Linas Vepstas wrote:
> On Tue, Dec 12, 2006 at 02:25:50PM +0900, Ishizaki Kou wrote:
> >
> > Following are the changes.
> > -This patch enables auto-negotiation.
> > -Loading firmware is done when spidernet_open() is called.
> > -And this patch adds other several small changes for Celleb.
> > -This patch is not tested on CellBlade.
>
> I just tested this, and it does not work. Jim Lewis is gone
> until the new year. However, as he was leaving, he grumbled something
> about how autonegotiation simply won't work on the spider.
> (I didn't think to ask about the details). Perhaps he'll
> look at his email soon?
Duh ? Autoneg is completely local to the PHY. It will not work on the
Cell blade because it's using a fiber link though, thus we probably need
to disable this code when running on a fiber link.
> I've been trying to figure out how to modify the patch to make it
> work anyway, but so far, no success.
>
> Basically, in genmii_poll_link(),
> status = phy_read(phy, MII_BMSR);
> status & BMSR_LSTATUS will always be zero.
>
> So I tried ignoring this value, and calling setup_forced()
> However, this still doesn't get the thing working.
> I am somewhat at a loss to see why right now, since
> I don't see what may be causing this.
I can have a look, most of the code was borrowed from sungem and I wrote
the MII code for it :-)
Ben.
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