From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Alexander Steffen <Alexander.Steffen@infineon.com>
Cc: Stephen Boyd <swboyd@chromium.org>,
Peter Huewe <peterhuewe@gmx.de>,
Andrey Pronin <apronin@chromium.org>,
linux-kernel@vger.kernel.org, Jason Gunthorpe <jgg@ziepe.ca>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-integrity@vger.kernel.org,
Duncan Laurie <dlaurie@chromium.org>,
Guenter Roeck <groeck@chromium.org>
Subject: Re: [PATCH v2 5/6] tpm: add driver for cr50 on SPI
Date: Fri, 2 Aug 2019 23:43:18 +0300 [thread overview]
Message-ID: <20190802204318.5aktcn7xnvzcwvqj@linux.intel.com> (raw)
In-Reply-To: <ef7195c5-4475-3cb1-6ded-e16d885d1a55@infineon.com>
On Thu, Jul 18, 2019 at 06:47:14PM +0200, Alexander Steffen wrote:
> On 17.07.2019 21:57, Stephen Boyd wrote:
> > Quoting Alexander Steffen (2019-07-17 05:00:06)
> > > On 17.07.2019 00:45, Stephen Boyd wrote:
> > > > From: Andrey Pronin <apronin@chromium.org>
> > > >
> > > > +static unsigned short rng_quality = 1022;
> > > > +module_param(rng_quality, ushort, 0644);
> > > > +MODULE_PARM_DESC(rng_quality,
> > > > + "Estimation of true entropy, in bits per 1024 bits.");
> > >
> > > What is the purpose of this parameter? None of the other TPM drivers
> > > have it.
> >
> > I think the idea is to let users override the quality if they decide
> > that they don't want to use the default value specified in the driver.
>
> But isn't this something that applies to all TPMs, not only cr50? So
> shouldn't this parameter be added to one of the global modules (tpm?
> tpm_tis_core?) instead? Or do all low-level drivers (tpm_tis, tpm_tis_spi,
> ...) need this parameter to provide a consistent interface for the user?
This definitely something that is out of context of the patch set and
thus must be removed from the patch set.
/Jarkko
next prev parent reply other threads:[~2019-08-02 20:43 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-16 22:45 [PATCH v2 0/6] tpm: Add driver for cr50 Stephen Boyd
2019-07-16 22:45 ` [PATCH v2 1/6] hwrng: core: Freeze khwrng thread during suspend Stephen Boyd
2019-07-17 1:43 ` Herbert Xu
2019-07-17 16:36 ` Stephen Boyd
2019-07-17 11:39 ` Jason Gunthorpe
2019-07-17 16:42 ` Stephen Boyd
2019-07-17 16:50 ` Jason Gunthorpe
2019-07-17 17:03 ` Stephen Boyd
2019-08-02 22:50 ` Stephen Boyd
2019-08-16 15:56 ` Alexander Steffen
2019-08-16 23:55 ` Jarkko Sakkinen
2019-08-02 20:22 ` Jarkko Sakkinen
2019-08-02 23:18 ` Stephen Boyd
2019-07-16 22:45 ` [PATCH v2 2/6] tpm_tis_core: add optional max xfer size check Stephen Boyd
2019-07-16 22:45 ` [PATCH v2 3/6] tpm_tis_spi: add max xfer size Stephen Boyd
2019-07-17 8:07 ` Alexander Steffen
2019-07-17 18:19 ` Stephen Boyd
2019-07-16 22:45 ` [PATCH v2 4/6] dt-bindings: tpm: document properties for cr50 Stephen Boyd
2019-07-16 22:45 ` [PATCH v2 5/6] tpm: add driver for cr50 on SPI Stephen Boyd
2019-07-17 12:00 ` Alexander Steffen
2019-07-17 12:25 ` Jason Gunthorpe
2019-07-17 16:49 ` Stephen Boyd
2019-07-17 16:56 ` Jason Gunthorpe
2019-07-17 17:05 ` Stephen Boyd
2019-07-17 17:12 ` Jason Gunthorpe
2019-07-17 17:22 ` Stephen Boyd
2019-07-17 17:25 ` Jason Gunthorpe
2019-07-17 18:21 ` Stephen Boyd
2019-07-17 18:30 ` Guenter Roeck
2019-07-17 18:36 ` Jason Gunthorpe
2019-07-17 19:57 ` Stephen Boyd
2019-07-17 21:38 ` Stephen Boyd
2019-07-17 22:17 ` Stephen Boyd
2019-07-18 16:47 ` Alexander Steffen
2019-07-18 18:11 ` Stephen Boyd
2019-07-19 7:53 ` Alexander Steffen
2019-08-01 16:02 ` Stephen Boyd
2019-08-02 15:21 ` Jarkko Sakkinen
2019-08-02 18:03 ` Stephen Boyd
2019-08-02 19:43 ` Jarkko Sakkinen
2019-07-18 16:47 ` Alexander Steffen
2019-07-18 18:07 ` Stephen Boyd
2019-07-19 7:51 ` Alexander Steffen
2019-08-02 20:43 ` Jarkko Sakkinen [this message]
2019-08-02 22:32 ` Stephen Boyd
2019-08-02 20:41 ` Jarkko Sakkinen
2019-07-16 22:45 ` [PATCH v2 6/6] tpm: Add driver for cr50 on I2C Stephen Boyd
2019-07-17 15:19 ` Alexander Steffen
2019-08-05 23:52 ` Stephen Boyd
2019-08-02 20:44 ` Jarkko Sakkinen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190802204318.5aktcn7xnvzcwvqj@linux.intel.com \
--to=jarkko.sakkinen@linux.intel.com \
--cc=Alexander.Steffen@infineon.com \
--cc=apronin@chromium.org \
--cc=arnd@arndb.de \
--cc=dlaurie@chromium.org \
--cc=gregkh@linuxfoundation.org \
--cc=groeck@chromium.org \
--cc=jgg@ziepe.ca \
--cc=linux-integrity@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=peterhuewe@gmx.de \
--cc=swboyd@chromium.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).