linux-kernel - Re: [PATCH v9 6/8] drivers:input:ads7846(+tsc2046): fix spi module table

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Message-Id: <F39E49DD-45AF-4491-A26E-F3A9D86F30F6@goldelico.com>
Date:   Sun, 29 Jan 2017 09:39:39 +0100
From:   "H. Nikolaus Schaller" <hns@...delico.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Sebastian Reichel <sre@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Russell King <linux@...linux.org.uk>,
        Arnd Bergmann <arnd@...db.de>,
        Michael Welling <mwelling@...e.org>,
        Mika Penttilä <mika.penttila@...tfour.com>,
        Javier Martinez Canillas <javier@....samsung.com>,
        Igor Grinberg <grinberg@...pulab.co.il>,
        "Andrew F. Davis" <afd@...com>, Mark Brown <broonie@...nel.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Alexander Stein <alexander.stein@...tec-electronic.com>,
        Eric Engestrom <eric@...estrom.ch>,
        Hans de Goede <hdegoede@...hat.com>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Petr Cvek <petr.cvek@....cz>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Nick Dyer <nick@...anahar.org>,
        Siebren Vroegindeweij <siebren.vroegindeweij@...mail.com>,
        Michel Verlaan <michel.verl@...il.com>,
        linux-input@...r.kernel.org,
        devicetree <devicetree@...r.kernel.org>,
        linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
        letux-kernel@...nphoenux.org, linux-iio@...r.kernel.org,
        kernel@...a-handheld.com
Subject: Re: [PATCH v9 6/8] drivers:input:ads7846(+tsc2046): fix spi module table

Hi Dmitry,

> Am 28.01.2017 um 20:35 schrieb Dmitry Torokhov <dmitry.torokhov@...il.com>:
> 
> On Wed, Dec 28, 2016 at 03:53:21PM +0100, H. Nikolaus Schaller wrote:
>> Fix module table so that the driver is loaded if compiled
>> as module and requested by DT.
>> 
> 
> I believe I already replied to a similar patch: we alreadyhave necessary
> aliases in this driver, we need to fix module loading to use it.

Yes, you did comment on [PATCH v6 7/8] (19 Nov 2016):

>> We really need to fix it between spi/i23c core and module utils instead
>> of keeping adding duplicate IDs all over drivers. We already have OF
>> module device table containing the same data, we should be able to use
>> it.

And Javier Martinez Canillas replied (23 Nov 2016):

> Agreed, unfortunately until the I2C and SPI core are changed to properly
> report OF modaliases, we will have to keep adding these duplicated IDs.
> 
> And changing the I2C and SPI core isn't trivial since it could break a
> lot of drivers that rely on a platform modalias being reported (i.e: no
> OF device IDs present in the drivers even when are registered via DT).

Therefore I didn't see a need to change it.

BR,
Nikolaus