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Mon, 23 Mar 2026 12:01:40 -0700 (PDT) Date: Mon, 23 Mar 2026 22:01:37 +0300 From: Dan Carpenter To: Sudeep Holla , AKASHI Takahiro Cc: Cristian Marussi , arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Andy Shevchenko , Linus Walleij , Bartosz Golaszewski , linux-gpio@vger.kernel.org, Vincent Guittot , Khaled Ali Ahmed , Michal Simek Subject: [PATCH v6 5/7] firmware: arm_scmi: Allow PINCTRL_REQUEST to return EOPNOTSUPP Message-ID: <2089955559d22747745c0f3fed19c1bea8608d83.1774283146.git.dan.carpenter@linaro.org> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The SCMI protocol specification says that the PINCTRL_REQUEST and PINCTRL_RELEASE commands are optional. So if the SCMI server returns -EOPNOTSUPP, then treat that as success and continue. Signed-off-by: Dan Carpenter Reviewed-by: Linus Walleij Reviewed-by: Sudeep Holla --- v5: fix subsytem prefix v4: add r-b tags v3: new patch drivers/firmware/arm_scmi/pinctrl.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/firmware/arm_scmi/pinctrl.c b/drivers/firmware/arm_scm= i/pinctrl.c index a020e23d7c49..42cb1aef1fe1 100644 --- a/drivers/firmware/arm_scmi/pinctrl.c +++ b/drivers/firmware/arm_scmi/pinctrl.c @@ -578,6 +578,8 @@ static int scmi_pinctrl_request_free(const struct scmi_= protocol_handle *ph, tx->flags =3D cpu_to_le32(type); =20 ret =3D ph->xops->do_xfer(ph, t); + if (ret =3D=3D -EOPNOTSUPP) + ret =3D 0; ph->xops->xfer_put(ph, t); =20 return ret; --=20 2.53.0