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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>,
	Heiko Stuebner <heiko@sntech.de>
Subject: Re: [PATCH v5 4/4] tpm: tpm_tis_spi: Support cr50 devices
Date: Thu, 29 Aug 2019 21:04:51 +0300	[thread overview]
Message-ID: <20190829180451.4lfj76tucxcoyik3@linux.intel.com> (raw)
In-Reply-To: <5d6801f3.1c69fb81.58389.32c9@mx.google.com>

On Thu, Aug 29, 2019 at 09:48:50AM -0700, Stephen Boyd wrote:
> > > +int tpm_tis_spi_resume(struct device *dev)
> > > +{
> > > +     struct tpm_chip *chip = dev_get_drvdata(dev);
> > > +     struct tpm_tis_data *data = dev_get_drvdata(&chip->dev);
> > > +     struct tpm_tis_spi_phy *phy = to_tpm_tis_spi_phy(data);
> > > +     struct cr50_spi_phy *cr50_phy;
> > > +
> > > +     if (phy->is_cr50) {
> > > +             cr50_phy = to_cr50_spi_phy(phy);
> > > +             /*
> > > +              * Jiffies not increased during suspend, so we need to reset
> > > +              * the time to wake Cr50 after resume.
> > > +              */
> > > +             cr50_phy->wake_after = jiffies;
> > > +     }
> > 
> > To simplify the code I would just put also wake_after to
> > tpm_tis_spi_phy.
> 
> Ok. But keep the other members in cr50_spi_phy as they are?

Yes, just want to get rid of that boolean and branching since the
operations done have insignificant cost.

/Jarkko

      reply	other threads:[~2019-08-29 18:05 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-28  8:21 [PATCH v5 0/4] tpm: Add driver for cr50 Stephen Boyd
2019-08-28  8:21 ` [PATCH v5 1/4] dt-bindings: tpm: document properties " Stephen Boyd
2019-08-29 16:14   ` Jarkko Sakkinen
2019-08-28  8:21 ` [PATCH v5 2/4] tpm: Add a flag to indicate TPM power is managed by firmware Stephen Boyd
2019-08-28  8:21 ` [PATCH v5 3/4] tpm: tpm_tis_spi: Introduce a flow control callback Stephen Boyd
2019-08-29 16:22   ` Jarkko Sakkinen
2019-08-28  8:21 ` [PATCH v5 4/4] tpm: tpm_tis_spi: Support cr50 devices Stephen Boyd
2019-08-28 17:36   ` Heiko Stuebner
2019-08-28 18:07     ` Stephen Boyd
2019-08-28 18:28       ` Heiko Stuebner
2019-08-29 16:32   ` Jarkko Sakkinen
2019-08-29 16:48     ` Stephen Boyd
2019-08-29 18:04       ` Jarkko Sakkinen [this message]

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