Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines

From	Andy Shevchenko <andy.shevchenko@gmail.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines
Date	2017-01-03 21:30 +0100
Message-ID	<sVDSx-34i-1@gated-at.bofh.it> (permalink)
References	<sSZwd-29x-9@gated-at.bofh.it> <sVtgu-40T-45@gated-at.bofh.it> <sVCa6-1SP-19@gated-at.bofh.it> <sVCts-1ZW-5@gated-at.bofh.it>
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On Tue, Jan 3, 2017 at 8:50 PM, Pali Rohár <pali.rohar@gmail.com> wrote:
> On Tuesday 03 January 2017 19:38:43 Dmitry Torokhov wrote:

>> "IIRC both dell-smo8800 and lis3lv02d represent one HW device (that
>> ST microelectronics accelerometer) but due to complicated HW
>> abstraction and layers on Dell laptops it is handled by two drivers,
>> one ACPI and one i2c."
>>
>> and that is the core of the issue. You have 2 drivers fighting over
>> the same device. Fix this and it will all work.
>
> With my current implementation (which I sent in this patch), they are
> not fighting.
>
> dell-smo8800 exports /dev/freefall (and nothing more) and lis3lv02d only
> accelerometer device as lis3lv02d driver does not get IRQ number in
> platform data.
>
>> As far as I can see hp_accel instantiates lis3lv02d and accesses it
>> via ACPI methods, can the same be done for Dell?
>
> No, Dell does not have any ACPI methods.

> And as I wrote in ACPI or DMI
> is even not i2c address of device, so it needs to be specified in code
> itself.

And as I wrote there is still a way to provide it without hardcoding
on model basis.

> Really there is no other way... :-(


-- 
With Best Regards,
Andy Shevchenko

Thread

[PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines Pali Rohár <pali.rohar@gmail.com> - 2016-12-27 14:00 +0100
  Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Wolfram Sang <wsa@the-dreams.de> - 2016-12-27 15:00 +0100
    Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Pali Rohár <pali.rohar@gmail.com> - 2016-12-27 15:00 +0100
      Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines Andy Shevchenko <andy.shevchenko@gmail.com> - 2016-12-27 23:20 +0100
        Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines Valdis.Kletnieks@vt.edu - 2016-12-27 23:50 +0100
          Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines Andy Shevchenko <andy.shevchenko@gmail.com> - 2016-12-28 09:00 +0100
            Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines Pali Rohár <pali.rohar@gmail.com> - 2016-12-28 10:10 +0100
              Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Wolfram Sang <wsa@the-dreams.de> - 2016-12-28 15:10 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines Valdis.Kletnieks@vt.edu - 2016-12-29 05:40 +0100
        Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines Pali Rohár <pali.rohar@gmail.com> - 2016-12-28 09:40 +0100
      Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Wolfram Sang <wsa@the-dreams.de> - 2016-12-28 15:10 +0100
        Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on   Dell machines Jean Delvare <jdelvare@suse.de> - 2017-01-04 10:50 +0100
  Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Michał Kępień <kernel@kempniu.pl> - 2016-12-29 09:30 +0100
    Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines Pali Rohár <pali.rohar@gmail.com> - 2016-12-29 10:10 +0100
      Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Michał Kępień <kernel@kempniu.pl> - 2016-12-29 14:50 +0100
        Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines Pali Rohár <pali.rohar@gmail.com> - 2016-12-29 15:20 +0100
          Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Michał Kępień <kernel@kempniu.pl> - 2016-12-29 22:10 +0100
            Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines Pali Rohár <pali.rohar@gmail.com> - 2016-12-29 22:30 +0100
              Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Benjamin Tissoires <benjamin.tissoires@redhat.com> - 2017-01-03 10:10 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Pali Rohár <pali.rohar@gmail.com> - 2017-01-03 10:30 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-03 19:40 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines Pali Rohár <pali.rohar@gmail.com> - 2017-01-03 20:00 +0100
                RE: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell  machines <Mario.Limonciello@dell.com> - 2017-01-03 20:10 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-03 20:50 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines Pali Rohár <pali.rohar@gmail.com> - 2017-01-03 21:10 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-03 21:40 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines Pali Rohár <pali.rohar@gmail.com> - 2017-01-03 21:50 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-03 22:10 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Pali Rohár <pali.rohar@gmail.com> - 2017-01-04 09:20 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Benjamin Tissoires <benjamin.tissoires@redhat.com> - 2017-01-04 10:10 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Pali Rohár <pali.rohar@gmail.com> - 2017-01-04 10:20 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Benjamin Tissoires <benjamin.tissoires@redhat.com> - 2017-01-04 11:20 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Pali Rohár <pali.rohar@gmail.com> - 2017-01-04 11:30 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Benjamin Tissoires <benjamin.tissoires@redhat.com> - 2017-01-04 11:40 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Pali Rohár <pali.rohar@gmail.com> - 2017-01-04 12:30 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Pali Rohár <pali.rohar@gmail.com> - 2017-01-04 13:10 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Benjamin Tissoires <benjamin.tissoires@redhat.com> - 2017-01-04 14:10 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Pali Rohár <pali.rohar@gmail.com> - 2017-01-04 17:10 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Benjamin Tissoires <benjamin.tissoires@redhat.com> - 2017-01-04 18:40 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Wolfram Sang <wsa@the-dreams.de> - 2017-01-04 18:50 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-04 19:00 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Benjamin Tissoires <benjamin.tissoires@redhat.com> - 2017-01-04 23:00 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-04 23:10 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-04 23:10 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Wolfram Sang <wsa@the-dreams.de> - 2017-01-04 23:10 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-04 23:10 +0100
                Re: [PATCH] i2c: do not enable fall back to Host Notify by default kbuild test robot <lkp@intel.com> - 2017-01-05 03:30 +0100
                Re: [PATCH] i2c: do not enable fall back to Host Notify by default kbuild test robot <lkp@intel.com> - 2017-01-05 03:30 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Pali Rohár <pali.rohar@gmail.com> - 2017-01-05 10:00 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Benjamin Tissoires <benjamin.tissoires@redhat.com> - 2017-01-05 10:30 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Jean Delvare <jdelvare@suse.de> - 2017-01-04 20:10 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-01-04 11:00 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Benjamin Tissoires <benjamin.tissoires@redhat.com> - 2017-01-04 11:30 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Pali Rohár <pali.rohar@gmail.com> - 2017-01-04 12:40 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Benjamin Tissoires <benjamin.tissoires@redhat.com> - 2017-01-04 13:40 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Benjamin Tissoires <benjamin.tissoires@redhat.com> - 2017-01-03 22:40 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-04 07:40 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Pali Rohár <pali.rohar@gmail.com> - 2017-01-04 10:30 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Benjamin Tissoires <benjamin.tissoires@redhat.com> - 2017-01-04 10:30 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-01-03 21:30 +0100
                Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Jean Delvare <jdelvare@suse.de> - 2017-01-04 11:20 +0100
          Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on  Dell machines Wolfram Sang <wsa@the-dreams.de> - 2017-01-07 13:50 +0100

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