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Wed, 27 Dec 2023 04:01:01 -0800 (PST) Received: from [192.168.1.20] ([178.197.218.27]) by smtp.gmail.com with ESMTPSA id e18-20020a056000121200b0033660aabe76sm14597968wrx.39.2023.12.27.04.00.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 27 Dec 2023 04:00:59 -0800 (PST) Message-ID: Date: Wed, 27 Dec 2023 13:00:57 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 15/16] dt-bindings: imx6q-pcie: Add iMX95 pcie endpoint compatible string Content-Language: en-US To: Frank Li Cc: bhelgaas@google.com, conor+dt@kernel.org, devicetree@vger.kernel.org, festevam@gmail.com, helgaas@kernel.org, hongxing.zhu@nxp.com, imx@lists.linux.dev, kernel@pengutronix.de, krzysztof.kozlowski+dt@linaro.org, kw@linux.com, l.stach@pengutronix.de, linux-arm-kernel@lists.infradead.org, linux-imx@nxp.com, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, lpieralisi@kernel.org, manivannan.sadhasivam@linaro.org, robh@kernel.org, s.hauer@pengutronix.de, shawnguo@kernel.org References: <20231224183242.1675372-1-Frank.Li@nxp.com> <20231224183242.1675372-16-Frank.Li@nxp.com> <6a61f325-a58b-4aa6-9a0a-7a3086f63829@linaro.org> <0233cf48-93cb-4f19-ad1d-e3e1835c1fef@linaro.org> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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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 26/12/2023 22:53, Frank Li wrote: >>> DTB_CHECK report error after I remove it. linux,pci-domain is only define >>> in pci, not pci-ep. >> >> Ah, thank you, indeed. >> >>> >>> So I add comments about this. linux,pci-domain was resued ad controller id. >> >> However maybe there is reason why it is not for endpoints. The >> description is saying it is valid only for host bridge, so maybe it >> should not be used for endpoint case? > > EP side, it is not PCI bus. So it is reasonable that linux,pci-doamin not > in EP side. > > iMX6 host driver(and other some host controller drivers) already use it as > "controller id". EP driver is mostly reused with host bridge drivers. I > think needn't create new property such as "controller_id" for EP only. > > A comments should be enough for this case. Hm, ok, seems fine for me. I don't know PCI good enough to judge, so unless Rob or Conor say something else, it looks good. Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel