From: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
To: Mike Looijmans <mike.looijmans-Oq418RWZeHk@public.gmane.org>
Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] i2c-mux-pca954x: Disable mux after 200ms timeout
Date: Tue, 26 Nov 2013 10:06:39 +0100 [thread overview]
Message-ID: <20131126090639.GA2568@katana> (raw)
In-Reply-To: <1385447520-3306-1-git-send-email-mike.looijmans-Oq418RWZeHk@public.gmane.org>
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On Tue, Nov 26, 2013 at 07:32:00AM +0100, Mike Looijmans wrote:
> Leaving the mux enabled causes needless I2C traffic on the downstream
> bus. De-selecting after every request causes excess I2C traffic and
> switching.
>
> This patch implements a hybrid solution: After 200ms of inactivity,
> the mux is disabled.
>
> Signed-off-by: Mike Looijmans <mike.looijmans-Oq418RWZeHk@public.gmane.org>
You still haven't answered my initial question. Also, please don't
resend without saying what changed since the last version.
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WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa@the-dreams.de>
To: Mike Looijmans <mike.looijmans@topic.nl>
Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] i2c-mux-pca954x: Disable mux after 200ms timeout
Date: Tue, 26 Nov 2013 10:06:39 +0100 [thread overview]
Message-ID: <20131126090639.GA2568@katana> (raw)
In-Reply-To: <1385447520-3306-1-git-send-email-mike.looijmans@topic.nl>
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On Tue, Nov 26, 2013 at 07:32:00AM +0100, Mike Looijmans wrote:
> Leaving the mux enabled causes needless I2C traffic on the downstream
> bus. De-selecting after every request causes excess I2C traffic and
> switching.
>
> This patch implements a hybrid solution: After 200ms of inactivity,
> the mux is disabled.
>
> Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
You still haven't answered my initial question. Also, please don't
resend without saying what changed since the last version.
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next prev parent reply other threads:[~2013-11-26 9:06 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-26 6:32 [PATCH] i2c-mux-pca954x: Disable mux after 200ms timeout Mike Looijmans
2013-11-26 6:32 ` Mike Looijmans
[not found] ` <1385447520-3306-1-git-send-email-mike.looijmans-Oq418RWZeHk@public.gmane.org>
2013-11-26 9:06 ` Wolfram Sang [this message]
2013-11-26 9:06 ` Wolfram Sang
2013-11-26 9:36 ` Mike Looijmans
2013-11-26 9:36 ` Mike Looijmans
2013-11-26 12:28 ` Wolfram Sang
2013-11-26 13:39 ` Ulf Hansson
2013-11-26 13:39 ` Ulf Hansson
2013-11-26 14:06 ` Mike Looijmans
2013-11-26 14:06 ` Mike Looijmans
[not found] ` <5294AADC.5070707-Oq418RWZeHk@public.gmane.org>
2013-11-26 17:00 ` Wolfram Sang
2013-11-26 17:00 ` Wolfram Sang
-- strict thread matches above, loose matches on Subject: below --
2013-11-25 15:02 Mike Looijmans
2013-11-25 15:02 ` Mike Looijmans
2013-11-25 13:43 Mike Looijmans
2013-11-25 14:54 ` Michael Lawnick
2013-11-25 14:57 ` Wolfram Sang
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