From: Scott Wood <scottwood@freescale.com>
To: Kevin Hao <haokexin@gmail.com>
Cc: linuxppc <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [PATCH 1/3] powerpc/mpc85xx: remove the unneeded pci init functions for corenet ds board
Date: Fri, 7 Jun 2013 19:00:04 -0500 [thread overview]
Message-ID: <1370649604.6813.21@snotra> (raw)
In-Reply-To: <20130607020020.GA4678@pek-khao-d1.corp.ad.wrs.com> (from haokexin@gmail.com on Thu Jun 6 21:00:20 2013)
On 06/06/2013 09:00:20 PM, Kevin Hao wrote:
> As you can see, the only difference between these two logs is the
> io resource address and all the mem and bus address are still the
> same.
Hmm... The thing that originally motivated the picking of an arbitrary =20
primary was virtio being assigned a BAR of zero, and QEMU not liking =20
that. I guess something changed so that's no longer happening, even =20
without a primary.
> > Is anything actually fixed by this?
>=20
> No. As you know the reason we need a primary bus is that we need to =20
> support
> some ISA legacy devices. So it seems a little weird that we have to =20
> pick
> one primary bus even on a board which doesn't has ISA at all.
Yeah, it was a workaround for some other issues, as discussed. It was =20
meant to be temporary.
-Scott=
next prev parent reply other threads:[~2013-06-08 0:00 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-21 12:04 [PATCH 0/3] several cleanup patches for fsl pci Kevin Hao
2013-05-21 12:04 ` [PATCH 1/3] powerpc/mpc85xx: remove the unneeded pci init functions for corenet ds board Kevin Hao
2013-05-28 22:52 ` Scott Wood
2013-05-30 10:20 ` Kevin Hao
2013-05-30 18:54 ` Scott Wood
2013-05-31 6:41 ` Kevin Hao
2013-05-31 10:11 ` Benjamin Herrenschmidt
2013-06-01 10:59 ` Kevin Hao
2013-06-01 11:47 ` Benjamin Herrenschmidt
2013-06-02 0:07 ` Kevin Hao
2013-06-03 16:42 ` Scott Wood
2013-06-07 2:00 ` Kevin Hao
2013-06-08 0:00 ` Scott Wood [this message]
2013-07-23 22:31 ` Scott Wood
2013-07-25 12:54 ` Kevin Hao
2013-07-26 22:43 ` Scott Wood
2013-07-28 0:32 ` Kevin Hao
2013-05-31 6:43 ` Kevin Hao
2013-05-31 23:27 ` Scott Wood
2013-06-01 11:13 ` Kevin Hao
2013-05-21 12:04 ` [PATCH 2/3] powerpc/fsl-pci: fix the unreachable warning message Kevin Hao
2013-05-21 12:05 ` [PATCH 3/3] powerpc/fsl-pci: enable SWIOTLB in function setup_pci_atmu Kevin Hao
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