From: Rob Herring <robh@kernel.org>
To: Mark Hasemeyer <markhas@chromium.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Raul Rangel <rrangel@chromium.org>,
Frank Rowand <frowand.list@gmail.com>,
devicetree@vger.kernel.org
Subject: Re: [PATCH v1 3/6] of: irq: add wake capable bit to of_irq_resource()
Date: Fri, 15 Dec 2023 09:30:35 -0600 [thread overview]
Message-ID: <20231215153035.GA3996646-robh@kernel.org> (raw)
In-Reply-To: <CANg-bXB0EAd-703oOzXsFSS72Z3bfT8La_5K=W41L+B1uMz2-Q@mail.gmail.com>
On Thu, Dec 14, 2023 at 02:05:16PM -0700, Mark Hasemeyer wrote:
> > If a device has multiple interrupts, but none named "wakeup" you are
> > saying all the interrupts are wakeup capable. That's not right though.
> > Only the device knows which interrupts are wakeup capable. You need:
> >
> > return wakeindex >= 0 && wakeindex == index;
>
> I was assuming logic described in the DT bindings:
> https://www.kernel.org/doc/Documentation/devicetree/bindings/power/wakeup-source.txt
> "Also, if device is marked as a wakeup source, then all the primary
> interrupt(s) can be used as wakeup interrupt(s)."
Also not the best wording I think.
Which interrupts are primary interrupts?
If we can't determine which interrupt, then we should just leave it up
to the device.
Rob
next prev parent reply other threads:[~2023-12-15 15:30 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20231213110009.v1.1.Ifd0903f1c351e84376d71dbdadbd43931197f5ea@changeid>
2023-12-13 18:00 ` [PATCH v1 2/6] arm: arm64: dts: Enable cros-ec-spi as wake source Mark Hasemeyer
2023-12-13 18:08 ` Krzysztof Kozlowski
2023-12-13 22:11 ` Rob Herring
2023-12-14 21:04 ` Mark Hasemeyer
2023-12-14 22:20 ` Rob Herring
2023-12-14 10:55 ` AngeloGioacchino Del Regno
2023-12-14 11:53 ` Konrad Dybcio
2023-12-13 18:00 ` [PATCH v1 3/6] of: irq: add wake capable bit to of_irq_resource() Mark Hasemeyer
2023-12-13 19:44 ` Andy Shevchenko
2023-12-13 22:19 ` Rob Herring
2023-12-14 21:05 ` Mark Hasemeyer
2023-12-15 15:30 ` Rob Herring [this message]
2023-12-15 20:56 ` Mark Hasemeyer
2023-12-18 10:49 ` Sudeep Holla
2023-12-13 18:00 ` [PATCH v1 4/6] of: irq: Add default implementation for of_irq_to_resource() Mark Hasemeyer
2023-12-13 19:45 ` Andy Shevchenko
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