From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Andrew Lunn <andrew@lunn.ch>, Arnd Bergmann <arnd@arndb.de>,
Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
Jason Cooper <jason@lakedaemon.net>,
Wolfram Sang <wsa@the-dreams.de>,
stable@vger.kernel.org, linux-i2c@vger.kernel.org,
Ezequiel Garcia <ezequiel.garcia@free-electrons.com>,
Gregory CLEMENT <gregory.clement@free-electrons.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 1/2] ARM: mvebu: Add support to get the ID and the revision of a SoC
Date: Sun, 5 Jan 2014 16:07:46 -0700 [thread overview]
Message-ID: <20140105230746.GB11280@obsidianresearch.com> (raw)
In-Reply-To: <52C99851.70806@gmail.com>
On Sun, Jan 05, 2014 at 06:37:21PM +0100, Sebastian Hesselbarth wrote:
> If you mean clock-gated with "powered down", the code is safe. It
> enables the clock gate prior reading from the controller. Or is there
> another way to power down the controller, so you cannot read from the
> controller registers?
There is a clock gate and a power down on kirkwood at least, Linux has
no code for controlling the powerdown
In any event, I think processing a disabled DT node is not great..
Jason
next prev parent reply other threads:[~2014-01-05 23:07 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-03 9:59 [PATCH v2 0/2] Fix i2c bus hang on A0 version of the Armada XP SoCs Gregory CLEMENT
[not found] ` <1388743185-24822-1-git-send-email-gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-03 9:59 ` [PATCH v2 1/2] ARM: mvebu: Add support to get the ID and the revision of a SoC Gregory CLEMENT
2014-01-03 14:47 ` Andrew Lunn
2014-01-03 14:51 ` Gregory CLEMENT
[not found] ` <52C6CE7E.5010800-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-03 15:13 ` Gregory CLEMENT
2014-01-03 16:41 ` Andrew Lunn
2014-01-03 19:30 ` Gregory CLEMENT
[not found] ` <1388743185-24822-2-git-send-email-gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-03 18:48 ` Thomas Petazzoni
2014-01-03 19:25 ` Gregory CLEMENT
2014-01-03 18:59 ` Jason Gunthorpe
2014-01-03 19:35 ` Gregory CLEMENT
2014-01-05 14:25 ` Arnd Bergmann
2014-01-05 15:40 ` Andrew Lunn
[not found] ` <20140105154023.GA2048-g2DYL2Zd6BY@public.gmane.org>
2014-01-05 17:27 ` Jason Gunthorpe
[not found] ` <20140105172756.GA11280-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2014-01-05 17:37 ` Sebastian Hesselbarth
2014-01-05 23:07 ` Jason Gunthorpe [this message]
2014-01-05 23:12 ` Sebastian Hesselbarth
[not found] ` <52C9E6D0.3000406-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-01-05 23:40 ` Jason Gunthorpe
2014-01-06 0:05 ` Sebastian Hesselbarth
2014-01-06 0:17 ` Andrew Lunn
[not found] ` <20140106001709.GD4093-g2DYL2Zd6BY@public.gmane.org>
2014-01-06 9:55 ` Gregory CLEMENT
2014-01-06 10:10 ` Gregory CLEMENT
2014-01-05 19:17 ` Arnd Bergmann
[not found] ` <201401052017.10982.arnd-r2nGTMty4D4@public.gmane.org>
2014-01-05 23:51 ` Andrew Lunn
2014-01-06 15:37 ` Arnd Bergmann
[not found] ` <201401061637.28194.arnd-r2nGTMty4D4@public.gmane.org>
2014-01-06 16:24 ` Andrew Lunn
[not found] ` <20140106162442.GB13111-g2DYL2Zd6BY@public.gmane.org>
2014-01-07 14:41 ` Arnd Bergmann
2014-01-06 10:28 ` Gregory CLEMENT
2014-01-03 9:59 ` [PATCH v2 2/2] i2c: mv64xxx: Fix bus hang on A0 version of the Armada XP SoCs Gregory CLEMENT
[not found] ` <1388743185-24822-3-git-send-email-gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-03 12:20 ` Gregory CLEMENT
2014-01-03 18:49 ` Thomas Petazzoni
2014-01-03 19:31 ` Gregory CLEMENT
2014-01-05 14:33 ` Arnd Bergmann
[not found] ` <201401051533.58931.arnd-r2nGTMty4D4@public.gmane.org>
2014-01-06 9:09 ` Gregory CLEMENT
[not found] ` <52CA72BF.10604-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-07 9:03 ` Arnd Bergmann
[not found] ` <201401071003.31309.arnd-r2nGTMty4D4@public.gmane.org>
2014-01-07 13:17 ` Gregory CLEMENT
2014-01-07 20:50 ` Arnd Bergmann
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