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From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Stephen Boyd <swboyd@chromium.org>
Cc: Peter Huewe <peterhuewe@gmx.de>,
	linux-kernel@vger.kernel.org, linux-integrity@vger.kernel.org,
	Andrey Pronin <apronin@chromium.org>,
	Duncan Laurie <dlaurie@chromium.org>,
	Jason Gunthorpe <jgg@ziepe.ca>, Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Guenter Roeck <groeck@chromium.org>,
	Alexander Steffen <Alexander.Steffen@infineon.com>
Subject: Re: [PATCH v4 1/6] tpm: Add a flag to indicate TPM power is managed by firmware
Date: Thu, 15 Aug 2019 23:34:33 +0300
Message-ID: <20190815203433.fygcoj3arv5tpoz5@linux.intel.com> (raw)
In-Reply-To: <20190812223622.73297-2-swboyd@chromium.org>

On Mon, Aug 12, 2019 at 03:36:17PM -0700, Stephen Boyd wrote:
> On some platforms, the TPM power is managed by firmware and therefore we
> don't need to stop the TPM on suspend when going to a light version of
> suspend such as S0ix ("freeze" suspend state). Add a chip flag,
> TPM_CHIP_FLAG_FIRMWARE_POWER_MANAGED, to indicate this so that certain
> platforms can probe for the usage of this light suspend and avoid
> touching the TPM state across suspend/resume.
> 
> Cc: Andrey Pronin <apronin@chromium.org>
> Cc: Duncan Laurie <dlaurie@chromium.org>
> Cc: Jason Gunthorpe <jgg@ziepe.ca>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Guenter Roeck <groeck@chromium.org>
> Cc: Alexander Steffen <Alexander.Steffen@infineon.com>
> Signed-off-by: Stephen Boyd <swboyd@chromium.org>

LGTM

Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>

/Jarkko

  reply index

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-12 22:36 [PATCH v4 0/6] tpm: Add driver for cr50 Stephen Boyd
2019-08-12 22:36 ` [PATCH v4 1/6] tpm: Add a flag to indicate TPM power is managed by firmware Stephen Boyd
2019-08-15 20:34   ` Jarkko Sakkinen [this message]
2019-08-12 22:36 ` [PATCH v4 2/6] tpm: tpm_tis_spi: Introduce a flow control callback Stephen Boyd
2019-08-19 16:32   ` Jarkko Sakkinen
2019-08-19 17:06     ` Stephen Boyd
2019-08-21 18:13       ` Jarkko Sakkinen
2019-08-12 22:36 ` [PATCH v4 3/6] tpm: tpm_tis_spi: Add a pre-transfer callback Stephen Boyd
2019-08-19 16:35   ` Jarkko Sakkinen
2019-08-19 17:07     ` Stephen Boyd
2019-08-21 19:11       ` Jarkko Sakkinen
2019-08-21 21:44         ` Stephen Boyd
2019-08-12 22:36 ` [PATCH v4 4/6] tpm: tpm_tis_spi: Export functionality to other drivers Stephen Boyd
2019-08-19 16:40   ` Jarkko Sakkinen
2019-08-19 17:10     ` Stephen Boyd
2019-08-21 17:58       ` Jarkko Sakkinen
2019-08-22 17:29         ` Stephen Boyd
2019-08-12 22:36 ` [PATCH v4 5/6] dt-bindings: tpm: document properties for cr50 Stephen Boyd
2019-08-12 22:36 ` [PATCH v4 6/6] tpm: add driver for cr50 on SPI Stephen Boyd

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