linux-kernel - Re: [PATCH V11 0/3] irqchip: qcom: Add IRQ combiner driver

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Message-ID: <CAJZ5v0i_wcnF3xM5_imEGdKW91ggUfCWCcjP-WNK-oMvO-KXMQ@mail.gmail.com>
Date:   Fri, 20 Jan 2017 04:02:46 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Agustin Vega-Frias <agustinv@...eaurora.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <marc.zyngier@....com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Timur Tabi <timur@...eaurora.org>,
        Christopher Covington <cov@...eaurora.org>,
        Andy Gross <agross@...eaurora.org>, harba@...eaurora.org,
        Jon Masters <jcm@...hat.com>, Mark Salter <msalter@...hat.com>,
        Mark Langsdorf <mlangsdo@...hat.com>,
        Al Stone <ahs3@...hat.com>, astone@...hat.com,
        Graeme Gregory <graeme.gregory@...aro.org>,
        Hanjun Guo <guohanjun@...wei.com>,
        Charles Garcia Tobin <charles.garcia-tobin@....com>
Subject: Re: [PATCH V11 0/3] irqchip: qcom: Add IRQ combiner driver

On Fri, Jan 20, 2017 at 3:34 AM, Agustin Vega-Frias
<agustinv@...eaurora.org> wrote:
> Add support for IRQ combiners in the Top-level Control and Status
> Registers (TCSR) hardware block in Qualcomm Technologies chips.
>
> The first patch prevents the ACPI core from attempting to map IRQ resources
> with a valid ResourceSource as GSIs.
>
> The second patch adds support for ResourceSource/IRQ domain mapping and
> fixes IRQ probe deferral by allowing platform_device IRQ resources to be
> re-initialized from the corresponding ACPI IRQ resource.
>
> Both changes described above are conditional on the ACPI_GENERIC_GSI config.
>
> The third patch takes advantage of the new capabilities to implement
> the driver for the IRQ combiners.
>
> Tested on top of v4.10-rc4.
>
> Changes V10 -> V11:
> * Add probe table and use it to implement driver presence detection.
> * Fix kernel doc formatting in drivers/acpi/irq.c and some minor style issues.
> * Minor bug fixes in the driver.

I'm travelling now
(http://marc.info/?l=linux-pm&m=148410629024194&w=2), but I'll get
to this when I'm back.

Thanks,
Rafael