From: Michael Ellerman <mpe@ellerman.id.au>
To: Gavin Shan <gwshan@linux.vnet.ibm.com>, linuxppc-dev@ozlabs.org
Cc: Gavin Shan <gwshan@linux.vnet.ibm.com>, gpiccoli@linux.vnet.ibm.com
Subject: Re: powerpc/pseries: Fix PCI config address for DDW
Date: Mon, 6 Jun 2016 11:53:20 +1000 (AEST) [thread overview]
Message-ID: <3rNHm03Vg2z9t5P@ozlabs.org> (raw)
In-Reply-To: <201605252359.u4PNx2IH015480@mx0a-001b2d01.pphosted.com>
On Wed, 2016-25-05 at 23:56:07 UTC, Gavin Shan wrote:
> In commit <8445a87f7092> ("powerpc/iommu: Remove the dependency
> on EEH struct in DDW mechanism"), the PE address was replaced
> with the PCI config address in order to remove dependency on EEH.
> According to PAPR spec, firmware (pHyp or QEMU) should accept
> "xxBBSSxx" format PCI config address, not "xxxxBBSS" provided
> by the patch. Note that "BB" is PCI bus number and "SS" is the
> combination of slot and function number.
>
> This fixes the PCI address passed to DDW RTAS calls.
>
> Fixes: 8445a87f7092 ("powerpc/iommu: Remove the dependency on EEH struct in DDW mechanism")
That commit was Cc'ed to stable, so this needs to be also.
I've added it here.
cheers
next prev parent reply other threads:[~2016-06-06 1:53 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-25 23:56 [PATCH] powerpc/pseries: Fix PCI config address for DDW Gavin Shan
2016-05-26 0:46 ` Gavin Shan
2016-06-06 1:53 ` Michael Ellerman [this message]
2016-06-07 3:35 ` Michael Ellerman
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3rNHm03Vg2z9t5P@ozlabs.org \
--to=mpe@ellerman.id.au \
--cc=gpiccoli@linux.vnet.ibm.com \
--cc=gwshan@linux.vnet.ibm.com \
--cc=linuxppc-dev@ozlabs.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).