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[61.220.246.151]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-72fe631be3csm8377629b3a.7.2025.02.03.05.11.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Feb 2025 05:11:47 -0800 (PST) From: Potin Lai Date: Mon, 03 Feb 2025 21:09:13 +0800 Subject: [PATCH 1/2] bindings: ipmi: ssif-bmc: Add property to adjust response timeout Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250203-ssif-response-timeout-ms-v1-1-6fe279740181@gmail.com> References: <20250203-ssif-response-timeout-ms-v1-0-6fe279740181@gmail.com> In-Reply-To: <20250203-ssif-response-timeout-ms-v1-0-6fe279740181@gmail.com> To: Corey Minyard , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Quan Nguyen , Patrick Williams Cc: openipmi-developer@lists.sourceforge.net, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Cosmo Chou , Potin Lai , Potin Lai X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1738588302; l=1068; i=potin.lai.pt@gmail.com; s=20240724; h=from:subject:message-id; bh=qw6/oRijMeiMYBDoqhdnPazfxbD4I4FYFWBsgfYvwO0=; b=GphBV5ux1rtL3yI82K1iZX8DbcLYPnDAEW6mgZAMtCBvCuJhsB8VvMB4KdeNGred/5XaW2fjV WP5bZpBWXC/A135QX0XhY812LMteOCwmJd80L8SKtM26uG24A5FJwPW X-Developer-Key: i=potin.lai.pt@gmail.com; a=ed25519; pk=6Z4H4V4fJwLteH/WzIXSsx6TkuY5FOcBBP+4OflJ5gM= The SSIF response is handled by a userspace application, which may exceed the default 500 ms timeout when the BMC or application is under heavy load. Add a new device tree property, `timeout-ms`, allowing platforms to adjust the response timeout based on their specific requirements. This helps prevent timeouts in scenarios where longer processing times are expected. Signed-off-by: Potin Lai Acked-by: Rob Herring (Arm) --- Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml b/Documen= tation/devicetree/bindings/ipmi/ssif-bmc.yaml index 02b662d780bb..c8a863d44f97 100644 --- a/Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml +++ b/Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml @@ -19,6 +19,12 @@ properties: reg: maxItems: 1 =20 + timeout-ms: + minimum: 0 + maximum: 4294967295 + default: 500 + description: Response timeout in millisecond. + required: - compatible - reg --=20 2.31.1