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Thu, 12 Mar 2026 11:43:33 -0700 (PDT) X-Received: by 2002:a05:620a:3195:b0:8c6:b247:4c with SMTP id af79cd13be357-8cdb59ff4aemr119409585a.2.1773341013241; Thu, 12 Mar 2026 11:43:33 -0700 (PDT) Received: from [192.168.1.29] ([178.197.219.94]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-485419c2930sm412755315e9.0.2026.03.12.11.43.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Mar 2026 11:43:31 -0700 (PDT) Message-ID: <2ee77136-0bdd-4661-a5d7-83869e63273c@oss.qualcomm.com> Date: Thu, 12 Mar 2026 19:43:29 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] dt-bindings: PCI: fsl,imx6q-pcie: Switch to undeprecated reset-gpios From: Krzysztof Kozlowski To: Sherry Sun , Hongxing Zhu , Lucas Stach , Lorenzo Pieralisi , =?UTF-8?Q?Krzysztof_Wilczy=C5=84ski?= , Manivannan Sadhasivam , Rob Herring , Bjorn Helgaas , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Jingoo Han , Gustavo Pimentel , "linux-pci@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "imx@lists.linux.dev" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "dmitry.torokhov@gmail.com" , "bartosz.golaszewski@linaro.org" References: <20260311154955.145120-3-krzysztof.kozlowski@oss.qualcomm.com> <800fc82c-1b2f-4330-9a25-e1d067dc83ac@oss.qualcomm.com> Content-Language: en-US Autocrypt: addr=krzysztof.kozlowski@oss.qualcomm.com; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=ZN/aWH7b c=1 sm=1 tr=0 ts=69b30957 cx=c_pps a=wEM5vcRIz55oU/E2lInRtA==:117 a=gOEeR9iKwsj33Yj5oN/cWg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=T0qWzi58jBV6o7NOTdEA:9 a=QEXdDO2ut3YA:10 a=OIgjcC2v60KrkQgK7BGD:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzEyMDE1MSBTYWx0ZWRfX8Dci/XyLsf3E dLmBoi3dY9rm/WKor+ytDtx9Sn2wkKYWtUpgTnqfWDtlSAujTQ00xlnwh4TmP41uN4i7pczCDQP COBm25xjah6AqO5YPrGS6SjfZ6lVr8KHWzJ28aNyLhDDRQdx0t0irrVqL+akIgxFrUsMFDVC8em O2yyOBUXpyUOprL2WHlsTD7Ow7aDnUQteTQjApDsKdyYLlRzJCI/NpJQc1hkykm3DINvSv0b4Y5 IW8cxnKlEkPz6oU6vNmEXiiQcIjk/L9Ny9kABvfxJ+VN2UbRLFzhjIq4BaE9YHb0ZaWRa7TH80a 31Xd4aZQQM4EwZydk8yzXcY62Zq05iJMEBgC9w4YcjT2wqrOkjdPkJb1OsH/lJIDL2kr5V6X+wT cOlppepwxRCeocWhxBFeKGt8/Hl21QBHU6o8p9fK87mP0ULnMJ1K4tMjoziyGpMmV+nhZIQemVV uhsHUVx1nvkYtAJWvqw== X-Proofpoint-GUID: eioCDu_zkS-zmJunLZqm4KM7puubwQXU X-Proofpoint-ORIG-GUID: eioCDu_zkS-zmJunLZqm4KM7puubwQXU X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-12_02,2026-03-12_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 phishscore=0 adultscore=0 malwarescore=0 bulkscore=0 suspectscore=0 clxscore=1015 priorityscore=1501 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603120151 On 12/03/2026 17:29, Krzysztof Kozlowski wrote: > On 12/03/2026 10:18, Sherry Sun wrote: >>> Subject: [PATCH 1/2] dt-bindings: PCI: fsl,imx6q-pcie: Switch to undeprecated >>> reset-gpios >>> >>> GPIOs with "gpio" suffix were long time ago deprecated, thus "reset-gpios" should >>> be used. Linux kernel supports both, referenced schema snps,dw-pcie- >>> common.yaml lists both as well and this schema uses >>> unevaluatedProperties:false, thus change has no impact except code readability >>> and removing deprecated patterns. >>> >>> Signed-off-by: Krzysztof Kozlowski >>> --- >>> Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml | 5 ----- >>> 1 file changed, 5 deletions(-) >>> >>> diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml >>> b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml >>> index 12a01f7a5744..b9ba938c6239 100644 >>> --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml >>> +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml >>> @@ -58,11 +58,6 @@ properties: >>> - const: msi >>> - const: dma >>> >>> - reset-gpio: >>> - description: Should specify the GPIO for controlling the PCI bus device >>> - reset signal. It's not polarity aware and defaults to active-low reset >>> - sequence (L=reset state, H=operation state) (optional required). >>> - >> >> Add Dmitry and Bartosz. >> >> Hi Krzysztof, >> Seems this property is still handled in gpiolib-of.c, see commit b8b80348c57b >> ("gpiolib: of: add polarity quirk for Freescale PCIe controller"). >> Maybe need to change the quirk gpio_propname here too. > > Oh, I missed that completely. Thanks for mentioning it. > > 1. Having this property in drivers/gpio/gpiolib-of.c means we should > keep it in the schema as deprecated, because each ABI should be documented. > > 2. I can drop reset-gpio-active-high from DTS as well, because > reset-gpios have proper flag. > > 3. We don't need to update gpiolib-of.c, because standard flag from > reset-gpios will be used. > >> >> >>> reset-gpio-active-high: >>> description: If present then the reset sequence using the GPIO >>> specified in the "reset-gpio" property is reversed (H=reset state, >> >> Also change the "reset-gpio" to "reset-gpios" in this description. >> > > Also here - no need to update, because this will be used only for > reset-gpio. I will send a v2. Best regards, Krzysztof