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Subject: Re: [PATCH v2 0/2] Add a property in at24.c
From:   Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To:     Bartosz Golaszewski <brgl@bgdev.pl>
Cc:     alanx.chiang@intel.com, linux-i2c <linux-i2c@vger.kernel.org>,
        andy.yeh@intel.com, Sakari Ailus <sakari.ailus@linux.intel.com>,
        Rajmohan Mani <rajmohan.mani@intel.com>,
        Andy Shevchenko <andy.shevchenko@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Date:   Tue, 26 Jun 2018 18:48:05 +0300
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On Tue, 2018-06-26 at 15:30 +0200, Bartosz Golaszewski wrote:
> 2018-06-26 15:23 GMT+02:00 Andy Shevchenko <andriy.shevchenko@linux.in
> tel.com>:
> > On Tue, 2018-06-26 at 14:36 +0200, Bartosz Golaszewski wrote:
> > > 2018-06-26 14:14 GMT+02:00 Andy Shevchenko
> > > <andriy.shevchenko@linux.intel.com>:
> > > > On Tue, 2018-06-26 at 09:41 +0200, Bartosz Golaszewski wrote:
> > > > > What is your use case exactly? Do you have an EEPROM model
> > > > > that's
> > > > > not
> > > > > yet supported explicitly in the driver? Why would you need
> > > > > this
> > > > > option?
> > > > 
> > > > The current at24 driver has no address width support,
> > > >  thus, reusing same
> > > > (allocated) IDs (non-DT case) is hard.
> > 
> > ^^^^^
> > 
> > > Every supported compatible has the width already specified in its
> > > corresponding chip data.
> > 
> > 
> > Please, read again carefully what I wrote before.
> > 
> 
> Ok makes sense in that case. Could you just point me towards an
> example model which has the address width different than the default
> for its type?

AFAIK, it's a companion device inside the camera voice coil IC, i.e.
DONGWOON DW9714.

-- 
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy