From: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
To: Grygorii Strashko <grygorii.strashko-l0cyMroinI0@public.gmane.org>
Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [RFC] i2c: add deprecation warning for class based instantiation
Date: Wed, 19 Jun 2013 12:15:27 +0200 [thread overview]
Message-ID: <20130619101526.GF2950@katana> (raw)
In-Reply-To: <1370596166-12404-1-git-send-email-wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
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On Fri, Jun 07, 2013 at 11:09:26AM +0200, Wolfram Sang wrote:
> Class based instantiation can cause huge delays when booting. This
> mechanism was used when it was not possible to describe slaves on I2C
> busses. We now have other mechanisms, so most embedded I2C will not need
> classes and it was explicitly not recommended to use them. Add a
> deprecation warning for drivers who want to disable class based in the
> near future to gain boot-up time, so users relying on this technique can
> switch to something better. They really should.
>
> Signed-off-by: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
No reactions on this, pity. Deferring.
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WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa@the-dreams.de>
To: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-omap@vger.kernel.org
Subject: Re: [RFC] i2c: add deprecation warning for class based instantiation
Date: Wed, 19 Jun 2013 12:15:27 +0200 [thread overview]
Message-ID: <20130619101526.GF2950@katana> (raw)
In-Reply-To: <1370596166-12404-1-git-send-email-wsa@the-dreams.de>
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On Fri, Jun 07, 2013 at 11:09:26AM +0200, Wolfram Sang wrote:
> Class based instantiation can cause huge delays when booting. This
> mechanism was used when it was not possible to describe slaves on I2C
> busses. We now have other mechanisms, so most embedded I2C will not need
> classes and it was explicitly not recommended to use them. Add a
> deprecation warning for drivers who want to disable class based in the
> near future to gain boot-up time, so users relying on this technique can
> switch to something better. They really should.
>
> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
No reactions on this, pity. Deferring.
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next prev parent reply other threads:[~2013-06-19 10:15 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-04 17:33 [PATCH] i2c: Let users disable "Probe an I2C bus for certain devices" Grygorii Strashko
2013-06-04 17:33 ` Grygorii Strashko
[not found] ` <1370367222-19353-1-git-send-email-grygorii.strashko-l0cyMroinI0@public.gmane.org>
2013-06-04 17:49 ` Wolfram Sang
2013-06-04 17:49 ` Wolfram Sang
2013-06-05 16:13 ` Grygorii Strashko
2013-06-05 16:13 ` Grygorii Strashko
2013-06-07 9:06 ` Wolfram Sang
2013-06-07 9:09 ` [RFC] i2c: add deprecation warning for class based instantiation Wolfram Sang
[not found] ` <1370596166-12404-1-git-send-email-wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
2013-06-19 10:15 ` Wolfram Sang [this message]
2013-06-19 10:15 ` Wolfram Sang
2013-06-19 18:21 ` Grygorii Strashko
2013-06-19 18:21 ` Grygorii Strashko
2013-06-20 18:37 ` Wolfram Sang
2013-06-19 18:22 ` Grygorii Strashko
2013-06-19 18:22 ` Grygorii Strashko
2013-06-19 18:22 ` [RFC 1/2] i2c: omap: drop class based instantiation of slaves Grygorii Strashko
2013-06-19 18:22 ` Grygorii Strashko
2013-06-19 18:22 ` [RFC 2/2] i2c: gpio: " Grygorii Strashko
2013-06-19 18:22 ` Grygorii Strashko
2013-06-07 10:10 ` [PATCH] i2c: Let users disable "Probe an I2C bus for certain devices" Grygorii Strashko
2013-06-07 10:10 ` Grygorii Strashko
[not found] ` <51B1B19E.1050200-l0cyMroinI0@public.gmane.org>
2013-06-07 21:28 ` Wolfram Sang
2013-06-07 21:28 ` Wolfram Sang
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