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From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: Paul Menzel <pmenzel@molgen.mpg.de>
Cc: "Maciej S. Szmigiero" <mail@maciej.szmigiero.name>,
	tpmdd-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org,
	GNUtoo@no-log.org
Subject: Re: [tpmdd-devel] Regression between Linux 3.16 and 4.8/4.9 on Lenovo X60 with coreboot
Date: Thu, 6 Apr 2017 13:10:13 -0600	[thread overview]
Message-ID: <20170406191013.GA25011@obsidianresearch.com> (raw)
In-Reply-To: <3d62bd7d4addc020c2f8e3c2edf3280e@molgen.mpg.de>

On Thu, Apr 06, 2017 at 08:26:22PM +0200, Paul Menzel wrote:
> >We added direct ACPI binding to the driver in addition to PNP, so if
> >you have an ACPI table it goes down that path and does some additional
> >validation of what is in the TPM. The BIOS must provide a
> >acpi_dev_resource_memory and a ACPI_SIG_TPM2 for the ACPI entry at a
> >minimum.
> 
> Is it correct, that this is added in/for 4.11, so just recently? Testing
> with Linux 4.10.8, everything is detected just fine.

No, it is quite a bit older.. And it should only go for TPM2, which I
don't think you have??

Maybe Jarkko has a guess, but sure sounds like something is recently
broken in 4.11

Jason

  reply	other threads:[~2017-04-06 19:10 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-05 11:03 Maciej S. Szmigiero
2017-04-05 13:36 ` Jarkko Sakkinen
2017-04-06  6:18 ` Paul Menzel
2017-04-06 11:52   ` Maciej S. Szmigiero
2017-04-06 16:55   ` Jason Gunthorpe
2017-04-06 18:26     ` Paul Menzel
2017-04-06 19:10       ` Jason Gunthorpe [this message]
2017-04-07 20:13         ` Jarkko Sakkinen
2017-04-07 20:58           ` Paul Menzel
2017-04-09 17:34             ` [Regression Linux 4.11] TPM module not loaded anymore (was: Regression between Linux 3.16 and 4.8/4.9 on Lenovo X60 with coreboot) Paul Menzel
2017-04-11 22:57               ` Jarkko Sakkinen
2017-04-12 15:46                 ` Moore, Robert
2017-04-12 15:52                 ` Moore, Robert
2017-04-12 15:54                 ` Moore, Robert
2017-04-12 21:26                   ` [Regression Linux 4.11] TPM module not loaded anymore Paul Menzel
2017-04-12 21:49                     ` Moore, Robert
2017-04-13  7:19                       ` Paul Menzel
2017-04-06 18:58     ` [tpmdd-devel] Regression between Linux 3.16 and 4.8/4.9 on Lenovo X60 with coreboot Jarkko Sakkinen
2017-04-08 10:40     ` Denis 'GNUtoo' Carikli
2017-04-08 20:25       ` Jason Gunthorpe
  -- strict thread matches above, loose matches on Subject: below --
2017-04-04 16:29 Paul Menzel
2017-04-04 17:15 ` [tpmdd-devel] " Jason Gunthorpe
2017-04-04 17:44   ` Paul Menzel

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