From: jarkko.sakkinen@linux.intel.com (Jarkko Sakkinen)
To: linux-security-module@vger.kernel.org
Subject: [PATCH 2/2 v2] tpm: separate cmd_ready/go_idle from runtime_pm
Date: Tue, 6 Feb 2018 22:04:41 +0200 [thread overview]
Message-ID: <20180206200441.c2fnehekqbk3jcsg@linux.intel.com> (raw)
In-Reply-To: <20180128075101.6883-3-tomas.winkler@intel.com>
On Sun, Jan 28, 2018 at 09:51:01AM +0200, Tomas Winkler wrote:
> We cannot use go_idle cmd_ready commands via runtime_pm handles
> as with the introduction of localities this is no longer an optional
> feature, while runtime pm can be not enabled.
> Though cmd_ready/go_idle provides power saving feature, it's also part of
> TPM2 protocol and should be called explicitly.
> This patch exposes cmd_read/go_idle via tpm class ops and removes
> runtime pm support as it is not used by any driver.
>
> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Makes sense so that only 1/2 woud need to be backported to stable
(1/2 should probably have cc for stable).
/Jarkko
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prev parent reply other threads:[~2018-02-06 20:04 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-28 7:50 [PATCH 0/2] tpm: fix locality and power saving handling Tomas Winkler
2018-01-28 7:51 ` [PATCH 1/2 v2] tpm: cmd_ready command can be issued only after granting locality Tomas Winkler
2018-01-28 20:15 ` Jason Gunthorpe
2018-01-28 21:17 ` Winkler, Tomas
2018-01-29 17:57 ` Jason Gunthorpe
2018-01-29 19:40 ` Winkler, Tomas
2018-02-06 20:02 ` Jarkko Sakkinen
2018-02-06 21:26 ` Winkler, Tomas
2018-02-08 12:44 ` Jarkko Sakkinen
2018-02-08 12:46 ` Winkler, Tomas
2018-01-28 7:51 ` [PATCH 2/2 v2] tpm: separate cmd_ready/go_idle from runtime_pm Tomas Winkler
2018-02-06 20:04 ` Jarkko Sakkinen [this message]
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