linux-kernel - Re: [PATCH 2/2] gpio: sch: Add interrupt support

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Message-ID: <292e6eff-82cc-6e4d-925b-77a60399e2e0@siemens.com>
Date:   Wed, 24 Apr 2019 11:48:09 +0200
From:   Jan Kiszka <jan.kiszka@...mens.com>
To:     Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-gpio@...r.kernel.org, linux-acpi@...r.kernel.org,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: [PATCH 2/2] gpio: sch: Add interrupt support

On 24.04.19 11:45, Mika Westerberg wrote:
> On Wed, Apr 24, 2019 at 11:36:58AM +0200, Jan Kiszka wrote:
>> OK, there is that table, but what is it supposed to tell me about the
>> event and where to hook into it better?
> ...
>> [02Eh 0046   2]                SCI Interrupt : 0009
> 
> This is the SCI interrupt GSI number. IIRC it maps 1:1 to Linux
> interrupt number so you should see it in /proc/interrupts. When a GPE
> event is triggered it should be handled in the ACPI core.
> 

Yes, clear, all this happens already. But I need to link the core with the sch 
gpio handler so that the gpio event is filtered out and the right virtual gpio 
interrupt is triggered. So, other than acpi_install_sci_handler, how should I 
establish that link?

Jan


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