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([2a02:810d:15c0:828:49e6:bb8c:a05b:c4ed]) by smtp.gmail.com with ESMTPSA id hs19-20020a1709073e9300b00949cb8d6904sm1011575ejc.201.2023.04.06.11.53.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 06 Apr 2023 11:53:47 -0700 (PDT) Message-ID: Date: Thu, 6 Apr 2023 20:53:46 +0200 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 v1 1/3] dt-bindings: PCI: brcmstb: Add two optional props Content-Language: en-US To: Florian Fainelli , Jim Quinlan , Stefan Wahren Cc: linux-pci@vger.kernel.org, Nicolas Saenz Julienne , Bjorn Helgaas , Lorenzo Pieralisi , Cyril Brulebois , Phil Elwell , bcm-kernel-feedback-list@broadcom.com, james.quinlan@broadcom.com, Lorenzo Pieralisi , =?UTF-8?Q?Krzysztof_Wilczy=c5=84ski?= , Rob Herring , Krzysztof Kozlowski , "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" , "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , open list References: <20230406124625.41325-1-jim2101024@gmail.com> <20230406124625.41325-2-jim2101024@gmail.com> <5c6d0259-0fe2-4faa-5ecf-8621467533a1@gmail.com> From: Krzysztof Kozlowski In-Reply-To: <5c6d0259-0fe2-4faa-5ecf-8621467533a1@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230406_115349_777553_F17D6E94 X-CRM114-Status: GOOD ( 14.23 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 06/04/2023 20:47, Florian Fainelli wrote: >>>>> + >>>>> + brcm,completion-timeout-msecs: >>>>> + description: Number of msecs before completion timeout >>>>> + abort occurs. >>>>> + $ref: /schemas/types.yaml#/definitions/uint32 >>>> >>>> According to the driver at least 0 is not allowed, maybe we should >>>> define minimum and maximum here and let dtbs_check take care of invalid >>>> values? >>> I'm not sure I follow what you mean about a zero value; the property >>> may have any value but the driver will clamp it >>> to a minimum of ~30msec. Regardless, I can add a "minimum: 30" line >>> to the YAML. >> >> If "completion" means Linux completion, then it is not suitable for DT >> and entire property should be removed. If it is something else, then >> explain here and commit msg. So far both refer to some completion... > > This is a PCIe root complex binding so completion needs to be understood > in the context of PCIe, that is the time needed for the root complex to > complete/finish/proceed with a PCIe transaction layer packet (TLP). OK, so I assume keyword "completion" is well known term in PCI (although for some reason no other bindings mention it). Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel