linux-kernel - Re: [PATCH v2 2/2] leds: pca955x: Add an IBM software implementation of the PCA9552 chip

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Date:   Mon, 3 Aug 2020 22:51:46 +0200
From:   Pavel Machek <pavel@....cz>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Eddie James <eajames@...ux.ibm.com>,
        Linux LED Subsystem <linux-leds@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>, Dan Murphy <dmurphy@...com>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        vishwa@...ux.ibm.com
Subject: Re: [PATCH v2 2/2] leds: pca955x: Add an IBM software implementation
 of the PCA9552 chip

On Mon 2020-08-03 19:42:17, Andy Shevchenko wrote:
> On Mon, Aug 3, 2020 at 5:51 PM Eddie James <eajames@...ux.ibm.com> wrote:
> >
> > IBM created an implementation of the PCA9552 on a PIC16F
> > microcontroller. The I2C device addresses are different from the
> > hardware PCA9552, so add a new compatible string and associated
> > platform data to be able to probe this device.
> 
> ...
> 
> >         pca9550,
> >         pca9551,
> >         pca9552,
> > +       ibm_pca9552,
> >         pca9553,
> 
> I would rather not mix like this, but use alpha order, for example.
> It's better to read and see which devices are supported by vendor.

Actually I see no huge reason to change that. pca9552 and ibm_pca9552
should be very similar, so it makes sense to keep them close together.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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