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>
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> > 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!
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next prev parent reply other threads:[~2015-06-17 13:19 UTC|newest]
Thread overview: 10+ 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 ` 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
2015-03-17 20:14 ` Andy Lutomirski
2015-06-17 13:18 ` Wolfram Sang [this message]
2015-06-17 15:12 ` Guenter Roeck
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
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