linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Wolfram Sang <wsa@the-dreams.de>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Guenter Roeck <linux@roeck-us.net>,
	Boaz Harrosh <boaz@plexistor.com>,
	One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>,
	Rui Wang <ruiv.wang@gmail.com>, Jean Delvare <jdelvare@suse.de>,
	Alun Evans <alun@badgerous.net>, Robert Elliott <Elliott@hp.com>,
	"linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>,
	Mauro Carvalho Chehab <m.chehab@samsung.com>,
	Paul Bolle <pebolle@tiscali.nl>, Tony Luck <tony.luck@intel.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 1/2] i2c_imc: New driver for Intel's iMC, found on LGA2011 chips
Date: Wed, 17 Jun 2015 15:18:42 +0200	[thread overview]
Message-ID: <20150617131841.GI13393@katana> (raw)
In-Reply-To: <CALCETrXvBxcZCyupHM6trb2Gv99MH9-HVG7ZuNGE2OPMZ7d7hA@mail.gmail.com>

[-- Attachment #1: Type: text/plain, Size: 1037 bytes --]


> > Having said that, I am still not convinced that the driver should be in the kernel
> > to start with. Browsing through Intel's datasheets, the registers are supported
> > in E5-2600 v1, v2, and v3. However, in v3 Intel added a note saying that the registers
> > should not be accessed by the OS directly, but only through the bios. Given that,
> > and if that is possible, it might make more sense to rely on ACPI. It would then
> > be up to the board and/or BIOS vendor to decide if the information should be available
> > to the OS or not.
> 
> I think the plan is to add something to ACPI to tell us when we can
> use these registers.  Unfortunately I'm not privy to whatever the ACPI
> committee is doing.

Coming from the embedded world and not knowing much about this, I tend
to wait until the above issue is clear, meaning when and how this driver
is safe to be used. I hope you don't mind. Keeping your code up to date
and sharing it is much appreciated, though! As well as Guenter's comments.

Thanks!


[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 819 bytes --]

  reply	other threads:[~2015-06-17 13:19 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-09 20:55 [PATCH v2 0/2] i2c_imc: New driver, at long last Andy Lutomirski
2015-03-09 20:55 ` [PATCH v2 1/2] i2c_imc: New driver for Intel's iMC, found on LGA2011 chips Andy Lutomirski
2015-03-14  4:14   ` Guenter Roeck
2015-03-17 20:14     ` Andy Lutomirski
2015-06-17 13:18       ` Wolfram Sang [this message]
2015-06-17 15:12         ` Guenter Roeck
2015-03-09 20:55 ` [PATCH v2 2/2] i2c, i2c_imc: Add DIMM bus code Andy Lutomirski

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=20150617131841.GI13393@katana \
    --to=wsa@the-dreams.de \
    --cc=Elliott@hp.com \
    --cc=alun@badgerous.net \
    --cc=boaz@plexistor.com \
    --cc=gnomes@lxorguk.ukuu.org.uk \
    --cc=jdelvare@suse.de \
    --cc=linux-i2c@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@roeck-us.net \
    --cc=luto@amacapital.net \
    --cc=m.chehab@samsung.com \
    --cc=pebolle@tiscali.nl \
    --cc=ruiv.wang@gmail.com \
    --cc=tony.luck@intel.com \
    /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).