Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Sender: Guenter Roeck <groeck7@gmail.com>
Message-ID: <16d3bb91-af02-2504-1a8b-7805a2d30bb4@roeck-us.net>
Date:   Sun, 16 Apr 2023 09:04:28 -0700
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101
 Thunderbird/102.9.0
Subject: Re: [PATCH 1/6] dt-bindings: watchdog: drop duplicated GPIO watchdog
 bindings
Content-Language: en-US
To:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        Wim Van Sebroeck <wim@linux-watchdog.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Neil Armstrong <neil.armstrong@linaro.org>,
        Kevin Hilman <khilman@baylibre.com>,
        Jerome Brunet <jbrunet@baylibre.com>,
        Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
        Julius Werner <jwerner@chromium.org>,
        Evan Benn <evanbenn@chromium.org>,
        Nicolas Ferre <nicolas.ferre@microchip.com>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Claudiu Beznea <claudiu.beznea@microchip.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@broadcom.com>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        Sander Vanheule <sander@svanheule.net>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Alexandre Torgue <alexandre.torgue@foss.st.com>,
        Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Magnus Damm <magnus.damm@gmail.com>,
        Fu Wei <fu.wei@linaro.org>, Viresh Kumar <vireshk@kernel.org>,
        Eugen Hristev <eugen.hristev@collabora.com>,
        Justin Chen <justinpopo6@gmail.com>,
        =?UTF-8?B?77+9ZWNraQ==?= <rafal@milecki.pl>,
        Linus Walleij <linus.walleij@linaro.org>,
        Corentin Labbe <clabbe@baylibre.com>,
        Anson Huang <Anson.Huang@nxp.com>,
        Robert Marko <robert.marko@sartura.hr>,
        Sergio Paracuellos <sergio.paracuellos@gmail.com>,
        Sai Prakash Ranjan <quic_saipraka@quicinc.com>,
        Wolfram Sang <wsa+renesas@sang-engineering.com>,
        Jamie Iles <jamie@jamieiles.com>,
        Yannick Fertre <yannick.fertre@foss.st.com>,
        Christophe Roullier <christophe.roullier@foss.st.com>,
        Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>,
        Srinivas Neeli <srinivas.neeli@xilinx.com>,
        linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org,
        linux-stm32@st-md-mailman.stormreply.com,
        linux-renesas-soc@vger.kernel.org
References: <20230415095112.51257-1-krzysztof.kozlowski@linaro.org>
From:   Guenter Roeck <linux@roeck-us.net>
In-Reply-To: <20230415095112.51257-1-krzysztof.kozlowski@linaro.org>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Precedence: bulk

On 4/15/23 02:51, Krzysztof Kozlowski wrote:
> Two conversions to DT schema of GPIO watchdog binding happened and came
> through different trees.  Merge them into one:
> 1. Combine maintainers,
> 2. Use more descriptive property descriptions and constraints from
>     gpio-wdt.yaml,
> 3. Switch to unevaluatedProperties:false, to allow generic watchdog
>     properties.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>


For the series:

Reviewed-by: Guenter Roeck <linux@roeck-us.net>

On a side note, the e-mail addresses in patchwork are messed up for
patches sent by you. As result, I can not reply to your e-mails after
pulling a patch from patchwork. This means that some replies get lost
if I did not keep the original e-mail.

That is how it looks like after I pull one of your patches from patchwork:

To:
+=?unknown-8bit?q?Wim_Van_Sebroeck_=3Cwim=40linux-watchdog=2Eorg=3E=2C_Gu?==?unknown-8bit?q?enter_Roeck_=3Clinux=40roeck-us=2Enet=3E=2C_Rob_Herring_?==?unknown-8bit?q?=3Crobh+dt=40kernel=2Eorg=3E=2C_Krzysztof_Kozlowski_=3Ckrz?==?unknown-8bit?q?yszt
+of=2Ekozlowski+dt=40linaro=2Eorg=3E=2C_Neil_Armstrong_?==?unknown-8bit?q?=3Cneil=2Earmstrong=40linaro=2Eorg=3E=2C_Kevin_Hilman_=3Ck?==?unknown-8bit?q?hilman=40baylibre=2Ecom=3E=2C_Jerome_Brunet_=3Cjbrunet=40b?==?unknown-8bit?q?aylibre=2Ecom=3E=2C_
+Martin_Blumenstingl_=3Cmartin=2Eblumen?==?unknown-8bit?q?stingl=40googlemail=2Ecom=3E=2C_Julius_Werner_=3Cjwerner?==?unknown-8bit?q?=40chromium=2Eorg=3E=2C_Evan_Benn_=3Cevanbenn=40chromium?==?unknown-8bit?q?=2Eorg=3E=2C_Nicolas_Ferre_=3Cnicolas=2E
+ferre=40microchip?==?unknown-8bit?q?=2Ecom=3E=2C_Alexandre_Belloni_=3Calexandre=2Ebelloni=40bo?==?unknown-8bit?q?otlin=2Ecom=3E=2C_Claudiu_Beznea_=3Cclaudiu=2Ebeznea=40mic?==?unknown-8bit?q?rochip=2Ecom=3E=2C_Florian_Fainelli_=3Cf=2Efainelli=40gma
+i?==?unknown-8bit?q?l=

Guenter

> ---
>   .../bindings/watchdog/gpio-wdt.yaml           | 55 -------------------
>   .../bindings/watchdog/linux,wdt-gpio.yaml     | 17 +++++-
>   2 files changed, 15 insertions(+), 57 deletions(-)
>   delete mode 100644 Documentation/devicetree/bindings/watchdog/gpio-wdt.yaml
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/gpio-wdt.yaml b/Documentation/devicetree/bindings/watchdog/gpio-wdt.yaml
> deleted file mode 100644
> index 155dc7965e9b..000000000000
> --- a/Documentation/devicetree/bindings/watchdog/gpio-wdt.yaml
> +++ /dev/null
> @@ -1,55 +0,0 @@
> -# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> -%YAML 1.2
> ----
> -$id: http://devicetree.org/schemas/watchdog/gpio-wdt.yaml#
> -$schema: http://devicetree.org/meta-schemas/core.yaml#
> -
> -title: GPIO controlled watchdog
> -
> -maintainers:
> -  - Robert Marko <robert.marko@sartura.hr>
> -
> -properties:
> -  compatible:
> -    const: linux,wdt-gpio
> -
> -  gpios:
> -    maxItems: 1
> -    description: GPIO connected to the WDT reset pin
> -
> -  hw_algo:
> -    $ref: /schemas/types.yaml#/definitions/string
> -    description: Algorithm used by the driver
> -    oneOf:
> -      - description:
> -          Either a high-to-low or a low-to-high transition clears the WDT counter.
> -          The watchdog timer is disabled when GPIO is left floating or connected
> -          to a three-state buffer.
> -        const: toggle
> -      - description:
> -          Low or high level starts counting WDT timeout, the opposite level
> -          disables the WDT.
> -          Active level is determined by the GPIO flags.
> -        const: level
> -
> -  hw_margin_ms:
> -    $ref: /schemas/types.yaml#/definitions/uint32
> -    description: Maximum time to reset watchdog circuit (in milliseconds)
> -    minimum: 2
> -    maximum: 65535
> -
> -  always-running:
> -    type: boolean
> -    description:
> -      If the watchdog timer cannot be disabled, add this flag to have the driver
> -      keep toggling the signal without a client.
> -      It will only cease to toggle the signal when the device is open and the
> -      timeout elapsed.
> -
> -required:
> -  - compatible
> -  - gpios
> -  - hw_algo
> -  - hw_margin_ms
> -
> -unevaluatedProperties: false
> diff --git a/Documentation/devicetree/bindings/watchdog/linux,wdt-gpio.yaml b/Documentation/devicetree/bindings/watchdog/linux,wdt-gpio.yaml
> index 50af79af6416..499f1b7e03f9 100644
> --- a/Documentation/devicetree/bindings/watchdog/linux,wdt-gpio.yaml
> +++ b/Documentation/devicetree/bindings/watchdog/linux,wdt-gpio.yaml
> @@ -8,6 +8,7 @@ title: GPIO-controlled Watchdog
>   
>   maintainers:
>     - Guenter Roeck <linux@roeck-us.net>
> +  - Robert Marko <robert.marko@sartura.hr>
>   
>   properties:
>     compatible:
> @@ -19,11 +20,23 @@ properties:
>   
>     hw_algo:
>       description: The algorithm used by the driver.
> -    enum: [ level, toggle ]
> +    oneOf:
> +      - description:
> +          Either a high-to-low or a low-to-high transition clears the WDT counter.
> +          The watchdog timer is disabled when GPIO is left floating or connected
> +          to a three-state buffer.
> +        const: toggle
> +      - description:
> +          Low or high level starts counting WDT timeout, the opposite level
> +          disables the WDT.
> +          Active level is determined by the GPIO flags.
> +        const: level
>   
>     hw_margin_ms:
>       description: Maximum time to reset watchdog circuit (milliseconds).
>       $ref: /schemas/types.yaml#/definitions/uint32
> +    minimum: 2
> +    maximum: 65535
>   
>     always-running:
>       type: boolean
> @@ -42,7 +55,7 @@ required:
>   allOf:
>     - $ref: watchdog.yaml#
>   
> -additionalProperties: false
> +unevaluatedProperties: false
>   
>   examples:
>     - |