From: "Winkler, Tomas" <tomas.winkler@intel.com>
To: "jarkko.sakkinen@linux.intel.com"
<jarkko.sakkinen@linux.intel.com>,
"jgunthorpe@obsidianresearch.com"
<jgunthorpe@obsidianresearch.com>,
"tpmdd-devel@lists.sourceforge.net"
<tpmdd-devel@lists.sourceforge.net>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 0/4] tpm/tpm_crb: implement power management.
Date: Wed, 14 Sep 2016 06:28:03 +0000 [thread overview]
Message-ID: <1473834369.21459.4.camel@intel.com> (raw)
In-Reply-To: <1473685461-6540-1-git-send-email-tomas.winkler@intel.com>
On Mon, 2016-09-12 at 16:04 +0300, Tomas Winkler wrote:
> Te overall platform ability to enter a low power state is also
> conditioned on the ability of a tpm device to go to idle state.
> This series should provide this feature.
>
> Unfortunately, there is a HW bug on Intel PTT devices on Skylake,
> Kabylake, and Broxton devices, where certain registers lost retention
> during TPM idle state. Hence this implementation takes this into
> consideration and implement the feature based only on access to
> registers that retain their state. This still conforms to the spec
> and should be correct also on non Intle devices.
>
> V2: Utilize runtime_pm for driving tpm crb idle states.
> V3. fix lower case corruption in the first patch
>
Jarkko, had you chance to test v3 series one on your side, is this okay
to go?
Thanks
Tomas
next prev parent reply other threads:[~2016-09-14 6:28 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-12 13:04 [PATCH v3 0/4] tpm/tpm_crb: implement power management Tomas Winkler
[not found] ` <1473685461-6540-1-git-send-email-tomas.winkler-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-09-12 13:04 ` [PATCH v3 1/4] tpm/tpm_crb: implement tpm crb idle state Tomas Winkler
[not found] ` <1473685461-6540-2-git-send-email-tomas.winkler-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-09-15 6:22 ` Jarkko Sakkinen
[not found] ` <20160915062204.GA12289-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-09-15 6:28 ` Winkler, Tomas
[not found] ` <5B8DA87D05A7694D9FA63FD143655C1B542DBC0D-Jy8z56yoSI8MvF1YICWikbfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-09-15 8:20 ` Jarkko Sakkinen
[not found] ` <20160915082037.GA16233-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-09-15 8:23 ` Winkler, Tomas
[not found] ` <5B8DA87D05A7694D9FA63FD143655C1B542DBD21-Jy8z56yoSI8MvF1YICWikbfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-09-15 10:53 ` Jarkko Sakkinen
[not found] ` <20160915105347.GB22431-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-09-15 13:09 ` Winkler, Tomas
2016-09-12 13:04 ` [PATCH v3 2/4] tmp/tpm_crb: fix Intel PTT hw bug during " Tomas Winkler
2016-09-15 6:23 ` Jarkko Sakkinen
[not found] ` <20160915062329.GB12289-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-09-27 9:31 ` Jarkko Sakkinen
[not found] ` <20160927093100.GA19121-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-09-27 9:54 ` Winkler, Tomas
2016-09-12 13:04 ` [PATCH v3 3/4] tpm/tpm_crb: open code the crb_init into acpi_add Tomas Winkler
2016-09-15 6:24 ` Jarkko Sakkinen
2016-09-12 13:04 ` [PATCH v4 4/4] tmp/tpm_crb: implement runtime pm for tpm_crb Tomas Winkler
2016-09-14 6:28 ` Winkler, Tomas [this message]
2016-09-14 16:06 ` [PATCH v3 0/4] tpm/tpm_crb: implement power management Jarkko Sakkinen
[not found] ` <20160914160602.GB11131-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-09-14 16:06 ` Jarkko Sakkinen
2016-09-14 18:25 ` Jarkko Sakkinen
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