From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Manuel Lauss <manuel.lauss-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: tpmdd-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: [PATCH RFC] tpm_crb: Fix AMD Zen on-chip fTPM detection
Date: Fri, 16 Jun 2017 14:41:56 -0600 [thread overview]
Message-ID: <20170616204156.GA4151@obsidianresearch.com> (raw)
In-Reply-To: <CAOLZvyH2rG3RpqPfiMOf68yHC91DdO8UEHXYh4FCb0ZqKJf1dw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Fri, Jun 16, 2017 at 10:35:11PM +0200, Manuel Lauss wrote:
> > What do you mean 'mapping that fails already' ? The report you gave
> > above shows the failure is on the other region:
> >
> > tpm_crb MSFT0101:00: can't request region for resource [mem 0xdd84f000-0xdd84ffff]
>
> the address seems to change every boot (it's one of the two MSFT0101 devices)
> but it's always the first call to devm_ioremap_resource() in tpm_crb.c
> line 454 that fails:
>
> priv->iobase = devm_ioremap_resource(dev, &io_res);
I have no idea why that would fail, based on your proc file it should
not, you need to figure out what is going on..
Jason
------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
next prev parent reply other threads:[~2017-06-16 20:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20170616182951.398757-1-manuel.lauss@gmail.com>
[not found] ` <20170616182951.398757-1-manuel.lauss-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-06-16 19:25 ` [PATCH RFC] tpm_crb: Fix AMD Zen on-chip fTPM detection Jason Gunthorpe
[not found] ` <CAOLZvyEeiRQ8LfCmq1p70xv9worYfTXDPTgEZrhFcqUev1+h+Q@mail.gmail.com>
[not found] ` <CAOLZvyEeiRQ8LfCmq1p70xv9worYfTXDPTgEZrhFcqUev1+h+Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-06-16 19:57 ` Jason Gunthorpe
[not found] ` <CAOLZvyFUS+Foj0ZycrZS=yWp+=x1mi8yL1-3Bq+mhcav9iesYA@mail.gmail.com>
[not found] ` <CAOLZvyFUS+Foj0ZycrZS=yWp+=x1mi8yL1-3Bq+mhcav9iesYA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-06-16 20:27 ` Jason Gunthorpe
[not found] ` <CAOLZvyH2rG3RpqPfiMOf68yHC91DdO8UEHXYh4FCb0ZqKJf1dw@mail.gmail.com>
[not found] ` <CAOLZvyH2rG3RpqPfiMOf68yHC91DdO8UEHXYh4FCb0ZqKJf1dw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-06-16 20:41 ` Jason Gunthorpe [this message]
2017-06-19 0:15 ` Jarkko Sakkinen
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=20170616204156.GA4151@obsidianresearch.com \
--to=jgunthorpe-epgobjl8dl3ta4ec/59zmfatqe2ktcn/@public.gmane.org \
--cc=manuel.lauss-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
--cc=tpmdd-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.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).