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Mon, 20 Oct 2025 15:09:04 -0700 (PDT) MIME-Version: 1.0 References: <20251014140451.1009969-1-antonio.borneo@foss.st.com> <20251014140451.1009969-10-antonio.borneo@foss.st.com> <20251014-affection-voltage-8b1764273a06@spud> <20251015-headstand-impulse-95aa736e7633@spud> <0826a055f6b2e3e6b50a5961e60d1b57d1d596c6.camel@foss.st.com> In-Reply-To: <0826a055f6b2e3e6b50a5961e60d1b57d1d596c6.camel@foss.st.com> From: Linus Walleij Date: Tue, 21 Oct 2025 00:08:53 +0200 X-Gm-Features: AS18NWB0sT7rk733pb0JBmXxWZ3rsESep7Jo9zTjJKG7duLHdqwxNHX29WRzGYA Message-ID: Subject: Re: [PATCH v3 09/10] dt-bindings: pinctrl: stm32: Support I/O synchronization parameters To: Antonio Borneo Cc: Conor Dooley , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , Alexandre Torgue , Bartosz Golaszewski , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, Christophe Roullier , Fabien Dessenne , Valentin Caron Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251020_150907_293937_86EB5D87 X-CRM114-Status: UNSURE ( 8.14 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Oct 20, 2025 at 5:09=E2=80=AFPM Antonio Borneo wrote: > pinconf-generic only accepts positive numeric values for > both generic and custom properties in struct pinconf_generic_params. Do you need it to support negative values? Patches welcome! > Plus, I haven't found any existing driver that mixes pinconf-generic with > custom string values. Maybe I misunderstand, but pinconf_generic_parse_dt_config() looks at pctldev->desc->custom_params and pctldev->desc->num_custom_params found in struct pinctrl_desc in include/linux/pinctrl/pinctrl.h $ git grep custom_params drivers/pinctrl/ gives you a list of all drivers using this. Yours, Linus Walleij