linux-kernel - Re: [PATCH v4 3/3] i2c: mux: pca954x: allow management of device idle state via sysfs

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Message-ID: <20190313211410.GB32331@kroah.com>
Date:   Wed, 13 Mar 2019 14:14:10 -0700
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Wolfram Sang <wsa@...-dreams.de>
Cc:     Peter Rosin <peda@...ntia.se>,
        Robert Shearman <robertshearman@...il.com>,
        Guenter Roeck <linux@...ck-us.net>,
        "linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Robert Shearman <robert.shearman@....com>
Subject: Re: [PATCH v4 3/3] i2c: mux: pca954x: allow management of device
 idle state via sysfs

On Wed, Mar 13, 2019 at 05:36:10PM +0100, Wolfram Sang wrote:
> Hi Greg,
> 
> > > I was wondering if you think the below ABI addition looks sane to you?
> > I am not the i2c maintainer :)
> 
> Peter is the i2c-mux maintainer, so I trust him very much on the I2C
> side of things. We just wondered if you'd notice a general flaw when
> exposing such an interface to userspace.

Ah, I see.  No, looks fine to me, it's a single value, well documented,
should be just fine.

thanks,

greg k-h