From: "Chiang, AlanX" <alanx.chiang@intel.com>
To: "Robert P. J. Day" <rpjday@crashcourse.ca>,
Rob Herring <robh@kernel.org>
Cc: "linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>,
"Yeh, Andy" <andy.yeh@intel.com>,
"sakari.ailus@linux.intel.com" <sakari.ailus@linux.intel.com>,
"andriy.shevchenko@linux.intel.com"
<andriy.shevchenko@linux.intel.com>,
"Shevchenko, Andriy" <andriy.shevchenko@intel.com>,
"Mani, Rajmohan" <rajmohan.mani@intel.com>,
"andy.shevchenko@gmail.com" <andy.shevchenko@gmail.com>,
"tfiga@chromium.org" <tfiga@chromium.org>,
"jcliang@chromium.org" <jcliang@chromium.org>,
"brgl@bgdev.pl" <brgl@bgdev.pl>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
"arnd@arndb.de" <arnd@arndb.de>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
Subject: RE: [RESEND PATCH v4 1/2] dt-bindings: at24: Add address-width property
Date: Mon, 9 Jul 2018 03:12:18 +0000 [thread overview]
Message-ID: <0772C36F3434E145A062D024A4869A09010B1E4D@PGSMSX101.gar.corp.intel.com> (raw)
In-Reply-To: <alpine.LFD.2.21.1807051623400.12206@localhost.localdomain>
Hi Robert,
> -----Original Message-----
> From: Robert P. J. Day [mailto:rpjday@crashcourse.ca]
> Sent: Friday, July 6, 2018 4:24 AM
> To: Rob Herring <robh@kernel.org>
> Cc: Chiang, AlanX <alanx.chiang@intel.com>; linux-i2c@vger.kernel.org; Yeh,
> Andy <andy.yeh@intel.com>; sakari.ailus@linux.intel.com;
> andriy.shevchenko@linux.intel.com; Shevchenko, Andriy
> <andriy.shevchenko@intel.com>; Mani, Rajmohan
> <rajmohan.mani@intel.com>; andy.shevchenko@gmail.com;
> tfiga@chromium.org; jcliang@chromium.org; brgl@bgdev.pl;
> mark.rutland@arm.com; arnd@arndb.de; gregkh@linuxfoundation.org;
> linux-kernel@vger.kernel.org; devicetree@vger.kernel.org
> Subject: Re: [RESEND PATCH v4 1/2] dt-bindings: at24: Add address-width
> property
>
> On Thu, 5 Jul 2018, Rob Herring wrote:
>
> > On Mon, Jul 02, 2018 at 05:12:19PM +0800, alanx.chiang@intel.com wrote:
> > > From: Alan Chiang <alanx.chiang@intel.com>
> > >
> > > The AT24 series chips use 8-bit address by default. If some chips
> > > would like to support more than 8 bits, the at24 driver should be
> > > added the compatible field for specfic chips.
> > >
> > > Provide a flexible way to determine the addressing bits through
> > > address-width in this patch.
> > >
> > > Signed-off-by: Alan Chiang <alanx.chiang@intel.com>
> > > Signed-off-by: Andy Yeh <andy.yeh@intel.com>
> > > Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
> > >
> > > ---
> > > since v1:
> > > -- Remove the address-width field in the example.
> > > since v2:
> > > -- Remove redundant space.
> > > since v3:
> > > -- Add Acked-by.
> > >
> > > ---
> > > Documentation/devicetree/bindings/eeprom/at24.txt | 2 ++
> > > 1 file changed, 2 insertions(+)
> >
> > Reviewed-by: Rob Herring <robh@kernel.org>
>
> "... should be added the compatible field ..."??
>
> rday
Maybe I should modify the sentence as below that makes it clear.
"The compatible field should be added in the at24.c for specific chips.".
I quote Andy's words in patch v2:
"The current at24 driver has no address width support, thus, reusing same
(allocated) IDs (non-DT case) is hard."
This is the reason that I submitted the patch.
Thanks
>
> --
>
> ==========================================================
> ==============
> Robert P. J. Day Ottawa, Ontario, CANADA
> http://crashcourse.ca/dokuwiki
>
> Twitter: http://twitter.com/rpjday
> LinkedIn: http://ca.linkedin.com/in/rpjday
> ==========================================================
> ==============
next prev parent reply other threads:[~2018-07-09 3:12 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-02 9:12 [RESEND PATCH v4 0/2] Add a property in at24.c alanx.chiang
2018-07-02 9:12 ` [RESEND PATCH v4 1/2] dt-bindings: at24: Add address-width property alanx.chiang
2018-07-05 21:22 ` Rob Herring
2018-07-05 20:24 ` Robert P. J. Day
2018-07-09 3:12 ` Chiang, AlanX [this message]
2018-07-09 8:52 ` Bartosz Golaszewski
2018-07-17 8:01 ` Bartosz Golaszewski
2018-07-24 11:07 ` sakari.ailus
2018-07-24 14:10 ` Bartosz Golaszewski
2018-07-02 9:12 ` [RESEND PATCH v4 2/2] eeprom: at24: Add support for " alanx.chiang
2018-07-02 11:59 ` [RESEND PATCH v4 0/2] Add a property in at24.c Bartosz Golaszewski
2018-07-25 3:20 [RESEND PATCH v4 0/2] Add aproperty " alanx.chiang
2018-07-25 3:20 ` [RESEND PATCH v4 1/2] dt-bindings: at24: Add address-width property alanx.chiang
2018-07-25 7:35 ` Bartosz Golaszewski
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