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Fri, 31 May 2024 06:07:29 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20240531060729epsmtrp2b55c2448305d8fe183a749804524f9b1~UfcaZ5-bD3252232522epsmtrp2E; Fri, 31 May 2024 06:07:29 +0000 (GMT) X-AuditID: b6c32a43-d51fa700000021a5-f6-66596922e3a5 Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 69.A1.08336.12969566; Fri, 31 May 2024 15:07:29 +0900 (KST) Received: from ubuntu.dsn.sec.samsung.com (unknown [10.229.95.128]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20240531060729epsmtip1f97c9e7d3f461e3e70d20f23acfd54d6~UfcaMRun90051000510epsmtip1K; Fri, 31 May 2024 06:07:29 +0000 (GMT) From: Daehwan Jung To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thinh Nguyen , Mathias Nyman , Felipe Balbi Cc: linux-usb@vger.kernel.org (open list:USB SUBSYSTEM), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list), Daehwan Jung Subject: [PATCH v2 3/5] dt-bindings: usb: xhci: Add 'write-64-hi-lo-quirk' quirk Date: Fri, 31 May 2024 15:07:35 +0900 Message-Id: <1717135657-120818-4-git-send-email-dh10.jung@samsung.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1717135657-120818-1-git-send-email-dh10.jung@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrKKsWRmVeSWpSXmKPExsWy7bCmha5SZmSawaQPbBbH2p6wW6zZe47J Yv6Rc6wWdxZMY7JoXryezeLlrHtsFpd3zWGzWLSsldmiedMUVov/e3awW6xacIDdgdtj8Z6X TB6bVnWyeeyfu4bdo2/LKkaPLfs/M3p83iQXwBaVbZORmpiSWqSQmpecn5KZl26r5B0c7xxv amZgqGtoaWGupJCXmJtqq+TiE6DrlpkDdJ+SQlliTilQKCCxuFhJ386mKL+0JFUhI7+4xFYp tSAlp8C8QK84Mbe4NC9dLy+1xMrQwMDIFKgwITtj4dqJrAV9HBVXfvaxNjDeZ+ti5OSQEDCR 2P3hHWMXIxeHkMAORon+SRvYIZxPjBINH88zQzjfGCUuvn3NCtNy49A2qMReRomek2+gWn4w Sky+fxIow8HBJqAl8X0h2FwRgVlMEo/m3AVzmAWeMUqs/3OeCWSUsECQxPZLnUwgDSwCqhKL Z2eAmLwCbhI3LohDLJOTuHmukxnE5hRwl3gw5xwLyBgJgY/sEm9e9LJAFLlI7G9+AHWdsMSr 41vYIWwpic/v9kI9Wixx6/kzZojmFkaJFa9amCESxhKznrUzgixmFtCUWL9LH8SUEFCWOHIL bDyzAJ9Ex+G/7BBhXomONiGIRmWJ6ZcnQG2VlDj4+hzUQA+J5k0NLJAgmcUocXXCOtYJjHKz EBYsYGRcxSiWWlCcm56abFRgCI+x5PzcTYzg9KflvIPxyvx/eocYmTgYDzFKcDArifD+So9I E+JNSaysSi3Kjy8qzUktPsRoCgy6icxSosn5wAScVxJvaGJpYGJmZmhuZGpgriTOe691boqQ QHpiSWp2ampBahFMHxMHp1QDk8eMI3s6fm+X0OJ5k/43eF3/4u4VbV3/k2xfTJfaGbIky0In v8Nyj1tH24PZRTrnLJ4xtf56ZtRcuM1mGef8sxsdS5n5JN8dWrqQPbfhyNX0FyrBm7+Hu6ba sr9ZUfyNbYGVv/GXzwV5E/63NPf1yYqa9jvnTuSZMKuZ9c6G2m8f5yQt9a17PM39xL/l7vKZ c3ab/ZU99rTquMQOJWFJ3sk5l/xCimavLyzRezht5uWM2nWCr83Wx52M+Xmh2iS4rMn+eO6U 7RXPtF+m3wtYnLp6ktfGLGGppzt/vPhkqB/fsHWzoFJOzccV195ka1xkvzyFfdGJUAGuZTcq LppcWzA59M6KL9ve/Q+6e9FtPoMSS3FGoqEWc1FxIgAwJuJrCAQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrHLMWRmVeSWpSXmKPExsWy7bCSnK5iZmSawe1eA4tjbU/YLdbsPcdk Mf/IOVaLOwumMVk0L17PZvFy1j02i8u75rBZLFrWymzRvGkKq8X/PTvYLVYtOMDuwO2xeM9L Jo9NqzrZPPbPXcPu0bdlFaPHlv2fGT0+b5ILYIvisklJzcksSy3St0vgyli4diJrQR9HxZWf fawNjPfZuhg5OSQETCRuHNrG3MXIxSEksJtR4s/7dewQCUmJpXNvQNnCEvdbjrCC2EIC3xgl /v+o62Lk4GAT0JL4vpARpFdEYAGTxLVpt9lBHGaBZ4wS9x60gDUICwRIfG17yArSwCKgKrF4 dgaIySvgJnHjgjjEeDmJm+c6mUFsTgF3iQdzzrFArHKT2HXpAPsERr4FjAyrGCVTC4pz03OL DQsM81LL9YoTc4tL89L1kvNzNzGCg1RLcwfj9lUf9A4xMnEwHmKU4GBWEuH9lR6RJsSbklhZ lVqUH19UmpNafIhRmoNFSZxX/EVvipBAemJJanZqakFqEUyWiYNTqoEpVb1q+9ct/9tsJrXb +Hj+fnn2Mf+hLDmlPX+qfE9V6J75KHXOxOLOoVePY7V0Jm6T5zPvSf/ZHWhnFbHz0NRjlcuV og/KL/8eYSXV79XbMv3HsoOzitcs3JA9/VTzPxbGH3GOcofO7dsVlzn9+2fG+1d2zJufkNm0 52HNs+7yxbkGsyXem3N6dHzam/VAYXbq9bB1F6SfXG5PVBP68jN/sYDc8hWCa9JKX6aZXLlU tkUt/OlUqRMWeqW3KmRFPwSeVfF8/uu457KCeWE1G4q6tsrufNNinH3s0Ipew4P6pQtX6hyx W7D7slrbvtkqDSkb0q+IOCsfXLLCVD5wfQajfG9Uib23Q+AD1UsyoclvlFiKMxINtZiLihMB 6V4TOsECAAA= X-CMS-MailID: 20240531060729epcas2p1df12dd3b14c5fa2fa0716f72010b3dbd X-Msg-Generator: CA X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20240531060729epcas2p1df12dd3b14c5fa2fa0716f72010b3dbd References: <1717135657-120818-1-git-send-email-dh10.jung@samsung.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: xHCI specification 5.1 "Register Conventions" states that 64 bit registers should be written in low-high order. All writing operations in xhci is done low-high order following the spec. Add a new quirk to support workaround for high-low order. Signed-off-by: Daehwan Jung --- Documentation/devicetree/bindings/usb/usb-xhci.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.yaml b/Documentation/devicetree/bindings/usb/usb-xhci.yaml index 4238ae8..447d331 100644 --- a/Documentation/devicetree/bindings/usb/usb-xhci.yaml +++ b/Documentation/devicetree/bindings/usb/usb-xhci.yaml @@ -25,6 +25,10 @@ properties: description: Set if the controller has broken port disable mechanism type: boolean + write-64-hi-lo-quirk: + description: Set if the controller has a limitation of high-low order + type: boolean + imod-interval-ns: description: Interrupt moderation interval default: 5000