From: Johan Hovold <johan@kernel.org>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Johan Hovold <johan+linaro@kernel.org>,
Jiri Kosina <jikos@kernel.org>,
Benjamin Tissoires <benjamin.tissoires@redhat.com>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konrad.dybcio@linaro.org>,
Douglas Anderson <dianders@chromium.org>,
linux-input@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/6] dt-bindings: HID: i2c-hid: elan: add 'no-reset-on-power-off' property
Date: Tue, 7 May 2024 16:30:34 +0200 [thread overview]
Message-ID: <Zjo7CuT7UyQC57Rr@hovoldconsulting.com> (raw)
In-Reply-To: <CACRpkdYZWixc1E3=Y2j0etuDS7vNY3QcqK2Qiac_KPorr7s0Ug@mail.gmail.com>
On Mon, May 06, 2024 at 08:29:40AM +0200, Linus Walleij wrote:
> + no-reset-on-power-off:
> + type: boolean
> + description:
> + Reset line is wired so that it can be left deasserted when the power
> + supply is off.
>
> To be nitpicky: *should* be left deasserted rather than *can* be left
> deasserted, right? If the behaviour is desirable but not strictly
> required.
I considered that too, but settled on the above description as it is
pure hardware description and leaving the decision to act on it up to
the OS (e.g. if support is implemented).
On the other hand, the "should" is already implied by the property name
so perhaps there's no reason not to include it also in the description:
+ no-reset-on-power-off:
+ type: boolean
+ description:
+ Reset line is wired so that it can (and should) be left
+ deasserted when the power supply is off.
And "should" (unlike "shall") still leaves room for an OS to ignore it
at the cost of increased power consumption.
Johan
next prev parent reply other threads:[~2024-05-07 14:30 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-23 13:46 [PATCH 0/6] HID/arm64: dts: qcom: sc8280xp-x13s: fix touchscreen power on Johan Hovold
2024-04-23 13:46 ` [PATCH 1/6] dt-bindings: HID: i2c-hid: add dedicated Ilitek ILI2901 schema Johan Hovold
2024-04-23 16:23 ` Krzysztof Kozlowski
2024-04-23 13:46 ` [PATCH 2/6] dt-bindings: HID: i2c-hid: elan: add Elan eKTH5015M Johan Hovold
2024-04-23 16:24 ` Krzysztof Kozlowski
2024-04-24 7:03 ` Johan Hovold
2024-04-24 8:32 ` Krzysztof Kozlowski
2024-04-23 13:46 ` [PATCH 3/6] dt-bindings: HID: i2c-hid: elan: add 'no-reset-on-power-off' property Johan Hovold
2024-04-23 16:29 ` Krzysztof Kozlowski
2024-04-24 7:34 ` Johan Hovold
2024-04-25 9:39 ` Krzysztof Kozlowski
2024-05-02 9:56 ` Johan Hovold
2024-05-03 9:11 ` Krzysztof Kozlowski
2024-05-03 9:25 ` Johan Hovold
2024-05-03 7:40 ` Linus Walleij
2024-05-03 8:47 ` Johan Hovold
2024-05-06 6:29 ` Linus Walleij
2024-05-07 14:30 ` Johan Hovold [this message]
2024-04-23 13:46 ` [PATCH 4/6] HID: i2c-hid: elan: fix reset suspend current leakage Johan Hovold
2024-04-23 20:37 ` Doug Anderson
2024-04-24 10:56 ` Johan Hovold
2024-04-24 16:24 ` Doug Anderson
2024-04-26 9:29 ` Johan Hovold
2024-04-23 13:46 ` [PATCH 5/6] arm64: dts: qcom: sc8280xp-x13s: fix touchscreen power on Johan Hovold
2024-04-23 13:46 ` [PATCH 6/6] arm64: dts: qcom: sc8280xp-crd: use external pull up for touch reset Johan Hovold
2024-04-23 19:34 ` [PATCH 0/6] HID/arm64: dts: qcom: sc8280xp-x13s: fix touchscreen power on Steev Klimaszewski
2024-04-24 7:38 ` Johan Hovold
2024-04-23 20:36 ` Doug Anderson
2024-04-24 8:50 ` Johan Hovold
2024-04-24 16:24 ` Doug Anderson
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