From: Giulio Benetti <giulio.benetti@micronovasrl.com>
To: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: a.zummo@towertech.it, robh+dt@kernel.org, mark.rutland@arm.com,
linux-rtc@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/4] rtc: ds1307: add calibration of_ for mt41txx chips.
Date: Wed, 9 May 2018 20:31:39 +0200 [thread overview]
Message-ID: <4d1b1ead-9439-210e-f246-cb49219390f5@micronovasrl.com> (raw)
In-Reply-To: <20180508191956.GP10960@piout.net>
Hi Alexandre,
Il 08/05/2018 21:19, Alexandre Belloni ha scritto:
> Hi,
>
> There is a sysfs interface for calibration, please use it. this is
> especially useful since the calibration value probably depend on
> temperature so it has to be updated dynamically to be really useful.
>
> See https://elixir.bootlin.com/linux/v4.16.7/source/Documentation/ABI/testing/sysfs-class-rtc#L68
> and https://elixir.bootlin.com/linux/v4.16.7/source/drivers/rtc/interface.c#L999
>
Used sysfs now and just submitted V2 patchset.
Thanks for pointing me those links.
--
Giulio Benetti
CTO
MICRONOVA SRL
Sede: Via A. Niedda 3 - 35010 Vigonza (PD)
Tel. 049/8931563 - Fax 049/8931346
Cod.Fiscale - P.IVA 02663420285
Capitale Sociale € 26.000 i.v.
Iscritta al Reg. Imprese di Padova N. 02663420285
Numero R.E.A. 258642
next prev parent reply other threads:[~2018-05-09 18:31 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-08 14:56 [PATCH 1/4] rtc: ds1307: fix data pointer to m41t0 Giulio Benetti
2018-05-08 14:56 ` [PATCH 2/4] rtc: ds1307: support m41t11 variant Giulio Benetti
2018-05-08 14:56 ` [PATCH 3/4] rtc: ds1307: add calibration of_ for mt41txx chips Giulio Benetti
2018-05-08 17:40 ` Rob Herring
2018-05-09 18:33 ` Giulio Benetti
2018-05-08 19:19 ` Alexandre Belloni
2018-05-09 18:31 ` Giulio Benetti [this message]
2018-05-08 14:56 ` [PATCH 4/4] rtc: ds1307: add frequency-test property to check calibration on m41txx Giulio Benetti
2018-05-08 17:44 ` Rob Herring
2018-05-09 18:32 ` Giulio Benetti
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=4d1b1ead-9439-210e-f246-cb49219390f5@micronovasrl.com \
--to=giulio.benetti@micronovasrl.com \
--cc=a.zummo@towertech.it \
--cc=alexandre.belloni@bootlin.com \
--cc=devicetree@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rtc@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=robh+dt@kernel.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).