linux-kernel - Re: [PATCH v5] gpio: dwapb: Add support for 1 interrupt per port A GPIO

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Message-ID: <CACRpkdYP=jxDVV9Z9HdCWQisgYHmm8WN0RZR6b_yOwytWY9Lgw@mail.gmail.com>
Date:   Wed, 2 May 2018 12:12:48 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Phil Edworthy <phil.edworthy@...esas.com>
Cc:     Hoan Tran <hotran@....com>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Lee Jones <lee.jones@...aro.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Michel Pollet <michel.pollet@...renesas.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5] gpio: dwapb: Add support for 1 interrupt per port A GPIO

On Thu, Apr 26, 2018 at 6:19 PM, Phil Edworthy
<phil.edworthy@...esas.com> wrote:

> The DesignWare GPIO IP can be configured for either 1 interrupt or 1
> per GPIO in port A, but the driver currently only supports 1 interrupt.
> See the DesignWare DW_apb_gpio Databook description of the
> 'GPIO_INTR_IO' parameter.
>
> This change allows the driver to work with up to 32 interrupts, it will
> get as many interrupts as specified in the DT 'interrupts' property.
> It doesn't do anything clever with the different interrupts, it just calls
> the same handler used for single interrupt hardware.
>
> ACPI companion code provided by Hoan Tran <hotran@....com>. This was tested
> on X-Gene by Hoan.
>
> Signed-off-by: Phil Edworthy <phil.edworthy@...esas.com>
> Reviewed-by: Rob Herring <robh@...nel.org>
> Acked-by: Lee Jones <lee.jones@...aro.org>

Patch applied for v4.18 with Hoan's ACK.

Yours,
Linus Walleij