[PATCH] sbc8641: drop bogus PHY IRQ entries from DTS file

Michael Ellerman mpe at ellerman.id.au
Wed Dec 9 14:04:19 AEDT 2015


On Tue, 2015-12-08 at 21:04 -0500, Paul Gortmaker wrote:
> [Re: [PATCH] sbc8641: drop bogus PHY IRQ entries from DTS file] On 09/12/2015 (Wed 12:10) Michael Ellerman wrote:
> > On Tue, 2015-12-08 at 17:44 -0500, Paul Gortmaker wrote:
> > > This file was originally cloned off of the MPC8641D-HPCN reference
> > > platform, which actually had a PHY IRQ line connected.  However
> > > this board does not.  The bogus entry was largely inert and went
> > > undetected until commit 321beec5047af83db90c88114b7e664b156f49fe
> > > ("net: phy: Use interrupts when available in NOLINK state") was
> > > added to the tree.
> > >
> > > With the above commit, the board fails to NFS boot since it sits
> > > waiting for a PHY IRQ event that of course never arrives.  Removing
> > > the bogus entries from the DTS file fixes the issue.
> >
> > Commit 321beec5047a ("net: phy: Use interrupts when available in NOLINK state")
> > went into 4.4-rc2, so this is a fix for 4.4 right?
>
> Correct, but I'm guessing there are not thousands of users of this board
> out there, so it probably doesn't matter a whole lot if it goes in the
> same release where the regression happened or one release later...

OK sure. As it happens I'm just prepping a fixes branch, so I'll drop it in.

cheers



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