From: Rob Herring <robherring2@gmail.com>
To: Wolfram Sang <w.sang@pengutronix.de>
Cc: Wolfgang Denk <wd@denx.de>,
devicetree-discuss@lists.ozlabs.org, Heiko Schocher <hs@denx.de>,
linux-kernel@vger.kernel.org,
Vitaly Bordug <vbordug@ru.mvista.com>,
linux-watchdog@vger.kernel.org
Subject: Re: [PATCH] drivers, char: add U-Boot bootcount driver
Date: Tue, 06 Dec 2011 17:22:39 -0600 [thread overview]
Message-ID: <4EDEA3BF.6020507@gmail.com> (raw)
In-Reply-To: <20111206220620.GF14154@pengutronix.de>
On 12/06/2011 04:06 PM, Wolfram Sang wrote:
>
>>> bootcount itself is not a device. It is a feature of certain devices. And that
>>> needs to be implemented; possibly generic enough that it can work for register
>>> based, i2c based, and so forth, accesses.
>>
>> If "boot counter" is not a good name for such a device, then what name
>> would you suggest?
>
> None.
>
>> Or do you think a counter (which can be implemented in a number of
>> different ways, depending on hardware specifics) is not a device?
>
> Yes.
>
>> What would be such a device, then?
>
> "maxim,ds1338"
>
> Please have a look at the devicetree.org-wiki-page I just mentioned:
>
> http://devicetree.org/Device_Tree_Usage
>
Perhaps fs/pstore would be a good choice for the user space interface
(defining a new file bootcount). This can support any arbitrary backing
device although pretty much only ACPI is implemented.
Rob
next prev parent reply other threads:[~2011-12-06 23:22 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-04 9:45 [PATCH] drivers, char: add U-Boot bootcount driver Heiko Schocher
2011-12-04 9:45 ` Heiko Schocher
2011-12-04 10:34 ` Matthias Kaehlcke
2011-12-04 11:47 ` Wolfram Sang
2011-12-04 16:34 ` Wolfgang Denk
2011-12-04 16:34 ` Wolfgang Denk
2011-12-05 7:43 ` Thierry Reding
2011-12-05 7:43 ` Thierry Reding
2011-12-05 14:39 ` Heiko Schocher
2011-12-05 14:39 ` Heiko Schocher
2011-12-06 21:50 ` Wolfram Sang
2011-12-06 21:56 ` Wolfgang Denk
2011-12-06 21:56 ` Wolfgang Denk
2011-12-06 21:56 ` Wolfgang Denk
2011-12-06 22:06 ` Wolfram Sang
2011-12-06 23:22 ` Rob Herring [this message]
2012-01-30 12:35 ` Heiko Schocher
2012-01-30 12:35 ` Heiko Schocher
2011-12-04 16:42 ` Paul Bolle
2011-12-04 23:30 ` Ryan Mallon
2011-12-04 23:30 ` Ryan Mallon
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=4EDEA3BF.6020507@gmail.com \
--to=robherring2@gmail.com \
--cc=devicetree-discuss@lists.ozlabs.org \
--cc=hs@denx.de \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-watchdog@vger.kernel.org \
--cc=vbordug@ru.mvista.com \
--cc=w.sang@pengutronix.de \
--cc=wd@denx.de \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.