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Date:   Fri, 8 Nov 2019 16:14:12 -0700
From:   Lina Iyer <ilina@codeaurora.org>
To:     Doug Anderson <dianders@chromium.org>
Cc:     Stephen Boyd <swboyd@chromium.org>,
        Evan Green <evgreen@chromium.org>, maz@kernel.org,
        LinusW <linus.walleij@linaro.org>,
        LKML <linux-kernel@vger.kernel.org>,
        linux-arm-msm <linux-arm-msm@vger.kernel.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        mkshah@codeaurora.org,
        "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>
Subject: Re: [PATCH RFC v2 04/14] drivers: irqchip: add PDC irqdomain for
 wakeup capable GPIOs
Message-ID: <20191108231412.GI16900@codeaurora.org>
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On Fri, Nov 08 2019 at 15:57 -0700, Doug Anderson wrote:
>Hi,
>
>On Fri, Nov 8, 2019 at 2:16 PM Lina Iyer <ilina@codeaurora.org> wrote:
>>
>> On Fri, Nov 08 2019 at 14:54 -0700, Lina Iyer wrote:
>> >On Fri, Nov 08 2019 at 14:22 -0700, Doug Anderson wrote:
>> >>Hi,
>> >>
>> >>On Fri, Sep 13, 2019 at 3:00 PM Lina Iyer <ilina@codeaurora.org> wrote:
>> >>>
>> >>>diff --git a/include/linux/soc/qcom/irq.h b/include/linux/soc/qcom/irq.h
>> >>>new file mode 100644
>> >>>index 0000000..85ac4b6
>> >>>--- /dev/null
>> >>>+++ b/include/linux/soc/qcom/irq.h
>> >>>@@ -0,0 +1,19 @@
>> >>>+/* SPDX-License-Identifier: GPL-2.0-only */
>> >>>+
>> >>>+#ifndef __QCOM_IRQ_H
>> >>>+#define __QCOM_IRQ_H
>> >>>+
>> >>
>> >>I happened to be looking at a pile of patches and one of them added:
>> >>
>> >>+#include <linux/irqdomain.h>
>> >>
>> >>...right here.  If/when you spin your patch, maybe you should too?  At
>> >>the moment the patch I was looking at is at:
>> >>
>> >>https://android.googlesource.com/kernel/common/+log/refs/heads/android-mainline-tracking
>> >>
>> >>Specifically:
>> >>
>> >>https://android.googlesource.com/kernel/common/+/448e2302f82a70f52475b6fc32bbe30301052e6b
>> >>
>> >>
>> >Sure, will take care of it in the next spin.
>> >
>> Checking for this, it seems like it would not be needed by this header.
>> There is nothing in this file that would need that header. It was
>> probably a older version that pulled into that tree.
>>
>> Is there a reason now that you see this need?
>
>From the note in the commit I found I'd assume that Maulik Shah (who
>is CCed here) has history?
>
>...but looking at it, I see that your header file refers to
>"IRQ_DOMAIN_FLAG_NONCORE" which is defined in "linux/irqdomain.h".
Ah, ok. That would need the file. Will add.

>That means it's good hygiene for you to include the header, right?
>Otherwise all your users need to know that they should include the
>header themselves, which is a bit ugly.
>
>-Doug