linux-kernel - Re: [PATCH v2] i2c: i801: Register optional lis3lv02d i2c device on Dell machines

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Message-ID: <20190528120011.288189f9@endymion>
Date:   Tue, 28 May 2019 12:00:11 +0200
From:   Jean Delvare <jdelvare@...e.de>
To:     Pali Rohár <pali.rohar@...il.com>
Cc:     Wolfram Sang <wsa@...-dreams.de>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Michał Kępień <kernel@...pniu.pl>,
        Steven Honeyman <stevenhoneyman@...il.com>,
        Valdis Kletnieks <Valdis.Kletnieks@...edu>,
        Jochen Eisinger <jochen@...guin-breeder.org>,
        Gabriele Mazzotta <gabriele.mzt@...il.com>,
        Andy Lutomirski <luto@...nel.org>,
        Mario Limonciello <Mario_Limonciello@...l.com>,
        Alex Hung <alex.hung@...onical.com>,
        Takashi Iwai <tiwai@...e.de>,
        linux-i2c <linux-i2c@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>
Subject: Re: [PATCH v2] i2c: i801: Register optional lis3lv02d i2c device on
 Dell machines

On Tue, 28 May 2019 11:54:02 +0200, Pali Rohár wrote:
> On Tuesday 28 May 2019 11:50:15 Jean Delvare wrote:
> > OK, thanks for the explanation. But assuming that we now instantiate
> > the lis2lv02d device from i2c-i801 for exactly all the same machines,
> > can't we just *enable* the freefall misc device feature of lis2lv02d
> > and kill the dell-smo8800 driver completely? Seems more simple to
> > maintain going forward.  
> 
> I though about it and I already wrote that is it not practical. For ACPI
> drivers there is easy way to get that interrupt number from ACPI tables.
> From i2c-i801 PCI driver it is hard to get interrupt number for
> particular ACPI device...
> 
> That is way I preferred simple solution: ACPI driver for ACPI device and
> i2c driver for i2c device.

OK, fine with me then :-)

-- 
Jean Delvare
SUSE L3 Support