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From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: "Michał Kępień" <kernel@kempniu.pl>
Cc: Darren Hart <dvhart@infradead.org>,
	Jonathan Woithe <jwoithe@just42.net>,
	Rafael Wysocki <rjw@rjwysocki.net>,
	Andy Shevchenko <andy@infradead.org>,
	Platform Driver <platform-driver-x86@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 00/10] fujitsu-laptop: use device-specific data instead of module-wide globals
Date: Sat, 6 May 2017 17:21:43 +0300	[thread overview]
Message-ID: <CAHp75VdPd_5tBCggknRFkirGN1Z5h0LLoq-DazuHwxcY-=AjHQ@mail.gmail.com> (raw)
In-Reply-To: <20170506124516.GA1075@kmp-mobile.hq.kempniu.pl>

On Sat, May 6, 2017 at 3:45 PM, Michał Kępień <kernel@kempniu.pl> wrote:

> To be fair, one thing that may be "unnatural" with this approach is that
> even though fujitsu-backlight would depend on fujitsu-laptop, it would
> still have to get a handle to FUJ02E3 using:
>
>     acpi_get_handle(NULL, "\\_SB.FEXT", ...)
>
> because call_fext_func() - and thus fext_backlight() - needs to be
> passed a handle to FUJ02E3 and the two ACPI devices (FUJ02B1 handled by
> fujitsu-backlight and FUJ02E3 handled by fujitsu-laptop) are not related
> from the perspective of the ACPI device hierarchy.  Unless there is a
> better way of implementing this, in which case I am open to suggestions.

There are two areas to check with:
1. Remote graph node
https://lwn.net/Articles/718184/
2. Component framework (only works in case when all devices are
mandatory to have).

-- 
With Best Regards,
Andy Shevchenko

  reply	other threads:[~2017-05-06 14:21 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-24 13:33 [PATCH 00/10] fujitsu-laptop: use device-specific data instead of module-wide globals Michał Kępień
2017-04-24 13:33 ` [PATCH 01/10] platform/x86: fujitsu-laptop: introduce fext_*() helper functions Michał Kępień
2017-05-01 13:13   ` Jonathan Woithe
2017-05-02 13:24     ` Michał Kępień
2017-04-24 13:33 ` [PATCH 02/10] platform/x86: fujitsu-laptop: shorten names of acpi_handle fields Michał Kępień
2017-05-01 13:19   ` Jonathan Woithe
2017-05-01 16:09     ` Darren Hart
2017-04-24 13:33 ` [PATCH 03/10] platform/x86: fujitsu-laptop: explicitly pass ACPI handle to call_fext_func() Michał Kępień
2017-04-24 13:33 ` [PATCH 04/10] platform/x86: fujitsu-laptop: rework backlight power synchronization Michał Kępień
2017-05-01 13:32   ` Jonathan Woithe
2017-05-01 16:17     ` Darren Hart
2017-04-24 13:33 ` [PATCH 05/10] platform/x86: fujitsu-laptop: distinguish current uses of device-specific data Michał Kępień
2017-05-01 13:40   ` Jonathan Woithe
2017-04-24 13:33 ` [PATCH 06/10] platform/x86: fujitsu-laptop: allocate struct fujitsu_bl in acpi_fujitsu_bl_add() Michał Kępień
2017-04-24 13:33 ` [PATCH 07/10] platform/x86: fujitsu-laptop: use device-specific data in backlight code Michał Kępień
2017-04-24 13:33 ` [PATCH 08/10] platform/x86: fujitsu-laptop: allocate struct fujitsu_laptop in acpi_fujitsu_laptop_add() Michał Kępień
2017-04-24 13:33 ` [PATCH 09/10] platform/x86: fujitsu-laptop: use device-specific data in LED-related code Michał Kępień
2017-04-24 13:33 ` [PATCH 10/10] platform/x86: fujitsu-laptop: use device-specific data in remaining module code Michał Kępień
2017-05-01 13:05 ` [PATCH 00/10] fujitsu-laptop: use device-specific data instead of module-wide globals Jonathan Woithe
2017-05-02 13:21   ` Michał Kępień
2017-05-04 23:40     ` Jonathan Woithe
2017-05-05 16:15       ` Darren Hart
2017-05-06 12:31         ` Michał Kępień
2017-05-06 12:45           ` Michał Kępień
2017-05-06 14:21             ` Andy Shevchenko [this message]
2017-05-06 14:23               ` Andy Shevchenko
2017-05-08 16:01             ` Darren Hart
2017-05-09  9:35               ` Michał Kępień
2017-05-09 12:13                 ` Jonathan Woithe
2017-05-09 16:47                 ` Darren Hart
2017-05-09 21:24                   ` Rafael J. Wysocki
2017-05-11 13:52                     ` Michał Kępień
2017-05-11 14:37                       ` Rafael J. Wysocki
2017-05-11 15:38                         ` Darren Hart
2017-05-11 13:40                   ` Michał Kępień
2017-05-15 23:27                     ` Darren Hart
2017-05-16  0:06                       ` Jonathan Woithe
2017-05-16  6:40                         ` Michał Kępień
2017-05-15 23:56                     ` Jonathan Woithe

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