From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
Subject: Re: [PATCH v3 2/2] i2c: mux: create "channel-n" symlinks for child
 segments in the mux device
Date: Mon, 1 Dec 2014 18:26:05 +0100
Message-ID: <20141201172605.GD3212@katana>
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To: Danielle Costantino <danielle.costantino-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-i2c <linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Gerlando Falauto <gerlando.falauto-SkAbAL50j+5BDgjK7y7TUQ@public.gmane.org>, Jean Delvare <jdelvare-l3A5Bk7waGM@public.gmane.org>, Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>, Martin Belanger <martin.belanger-Ir6+u9MVKBtBDgjK7y7TUQ@public.gmane.org>, Rodolfo Giometti <giometti-AVVDYK/kqiJWk0Htik3J/w@public.gmane.org>, Michael Lawnick <ml.lawnick-Mmb7MZpHnFY@public.gmane.org>, Jeroen De Wachter <jeroen.de.wachter-CNXmb7IdZIWZIoH1IeqzKA@public.gmane.org>
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On Sat, Nov 29, 2014 at 03:29:46PM -0800, Danielle Costantino wrote:

> I know this has already been applied but I wanted to comment that on
> embedded systems this patch increases the probe time of mux devices.

In what magnitude is the delay? And in what setup? How did you measure?

I have doubts. This patch just adds a symlink to the sysfs filesystem.
sysfs is not needed for probing.

> Otherwise the patch works and provides much needed parent device
> information without breaking the api.

Any news on lsi2c, by the way?


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