linux-kernel - Re: [PATCH v7 0/6] tpm: Add driver for cr50

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Message-ID: <11998737.dOvWaeisEJ@phil>
Date:   Tue, 15 Oct 2019 22:23:15 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Cc:     Stephen Boyd <swboyd@...omium.org>,
        Peter Huewe <peterhuewe@....de>, linux-kernel@...r.kernel.org,
        linux-integrity@...r.kernel.org,
        Andrey Pronin <apronin@...omium.org>,
        Duncan Laurie <dlaurie@...omium.org>,
        Jason Gunthorpe <jgg@...pe.ca>, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Guenter Roeck <groeck@...omium.org>,
        Alexander Steffen <Alexander.Steffen@...ineon.com>
Subject: Re: [PATCH v7 0/6] tpm: Add driver for cr50

Hi,

Am Montag, 14. Oktober 2019, 21:56:30 CEST schrieb Jarkko Sakkinen:
> On Fri, Oct 11, 2019 at 09:50:27AM +0200, Heiko Stübner wrote:
> > Am Montag, 7. Oktober 2019, 00:39:00 CEST schrieb Jarkko Sakkinen:
> > > On Fri, Sep 20, 2019 at 11:32:34AM -0700, Stephen Boyd wrote:
> > > > This patch series adds support for the H1 secure microcontroller
> > > > running cr50 firmware found on various recent Chromebooks. This driver
> > > > is necessary to boot into a ChromeOS userspace environment. It
> > > > implements support for several functions, including TPM-like
> > > > functionality over a SPI interface.
> > > > 
> > > > The last time this was series sent looks to be [1]. I've looked over the
> > > > patches and review comments and tried to address any feedback that
> > > > Andrey didn't address (really minor things like newlines). I've reworked
> > > > the patches from the last version to layer on top of the existing TPM
> > > > TIS SPI implementation in tpm_tis_spi.c. Hopefully this is more
> > > > palatable than combining the two drivers together into one file.
> > > > 
> > > > Please review so we can get the approach to supporting this device
> > > > sorted out.
> > > > 
> > > > [1] https://lkml.kernel.org/r/1469757314-116169-1-git-send-email-apronin@chromium.org
> > 
> > [...]
> > 
> > > OK, so, I put these to my master in hopes to get testing exposure.
> > > I think the changes are in great shape now. Thank you.
> > 
> > on a rk3399-gru-bob it works nicely for me, so
> > Tested-by: Heiko Stuebner <heiko@...ech.de>
> 
> Thank you! I updated my tree with your tag. Mind if I also add
> reviewed-by's?

I think I did spent enough time with the patches to warrant that, so
Reviewed-by: Heiko Stuebner <heiko@...ech.de>

Heiko