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Wed, 5 Jun 2024 10:49:36 +0900 (KST) Received: from epsmtrp1.samsung.com (unknown [182.195.40.13]) by epcas2p2.samsung.com (KnoxPortal) with ESMTPA id 20240605014936epcas2p2aef39bb60589271af07737a1059d3d4c~V_JqwN-wm0462504625epcas2p2N; Wed, 5 Jun 2024 01:49:36 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20240605014936epsmtrp157818f9a5c878445047e778261e221a3~V_JqvgBl42315723157epsmtrp1Y; Wed, 5 Jun 2024 01:49:36 +0000 (GMT) X-AuditID: b6c32a48-105fa70000002507-32-665fc4309100 Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 79.1B.08336.F24CF566; Wed, 5 Jun 2024 10:49:36 +0900 (KST) Received: from ubuntu (unknown [10.229.95.128]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20240605014935epsmtip10c11447db649ccb708543d313fa09d5c~V_JqgYdri2617126171epsmtip1d; Wed, 5 Jun 2024 01:49:35 +0000 (GMT) Date: Wed, 5 Jun 2024 10:50:10 +0900 From: Jung Daehwan To: Krzysztof Kozlowski Cc: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thinh Nguyen , Mathias Nyman , Felipe Balbi , "open list:USB SUBSYSTEM" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , open list Subject: Re: [PATCH v2 5/5] usb: host: xhci-plat: Add support for XHCI_WRITE_64_HI_LO_QUIRK Message-ID: <20240605015010.GA57120@ubuntu> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: <1935a30f-b4fd-4240-93f0-e2baf218223d@kernel.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrFJsWRmVeSWpSXmKPExsWy7bCmua7Bkfg0g46TShbH2p6wW6zZe47J Yv6Rc6wWzYvXs1m8nHWPzeL8+Q3sFpd3zWGzWLSsldmiedMUVov/e3awW6xacIDdgdtj8Z6X TB6bVnWyeeyfu4bdY8v+z4wenzfJBbBGZdtkpCampBYppOYl56dk5qXbKnkHxzvHm5oZGOoa WlqYKynkJeam2iq5+AToumXmAJ2mpFCWmFMKFApILC5W0rezKcovLUlVyMgvLrFVSi1IySkw L9ArTswtLs1L18tLLbEyNDAwMgUqTMjOONY3lb2gnadiy7QmlgbGV5xdjBwcEgImEn9+Sncx cnEICexglJjxcj47hPOJUeJ68zc2COcbo8Tqj1fYYTpuTdOBiO9llNg1+T4rhPOEUWLzj3OM XYycHCwCKhIfj4E0cHKwCWhJ3PtxghnEFhHQlLj+9ztYA7PAHWaJSetOsIEkhAViJT7emQlW xCugLfF0w0tWCFtQ4uTMJywgNqeAncTUht1sIFeIAi14dbAeJCwhMJNDYv0SSQjbReL5mY9M ELawxKvjW9ghbCmJl/1tUHaxxK3nz5hBbpAQaGGUWPGqhRkiYSwx61k72APMAhkST+7NZ4L4 WFniyC0WiDCfRMfhv9CA4JXoaBOC6FSWmH55AiuELSlx8PU5qIkeEpeuz4YG4nZmiVsnl7BP YJSfheSzWUi2Qdg6Egt2f2KbBbSCWUBaYvk/DghTU2L9Lv0FjKyrGMVSC4pz01OLjQpM4HGd nJ+7iRGcaLU8djDOfvtB7xAjEwfjIUYJDmYlEV6/4vg0Id6UxMqq1KL8+KLSnNTiQ4ymwHia yCwlmpwPTPV5JfGGJpYGJmZmhuZGpgbmSuK891rnpggJpCeWpGanphakFsH0MXFwSjUwubma SFktXeuw69zUJ/M2zf5+Z+/Vm0vEZ8U6zZBgTW6cbB33tc5LYPHBR0JvZrpkG7Dobpv9c8nH SQp3lTX1n51Zzh/YuFLjA+/evK/cu9j1NSy/zK0w9l2gYPV8+XWZo5NftG9Pvrh+0wbTVacU jqbL+uRs6z71w0j4jPd9lVcXbslwRp+Kvz9v2cIal3/TzF382p5NOT8nR/W2seyhl2eXN6j8 m/IyoznX/Ll65G/OtJspx9W92o3YmH0S816752hNuXxrDofM6Ydnz779zKV+wG7RmhUvwy71 3KqYLTzPQGXGs5utkhfPW15bx/b5k2e9Nt8vOftU6+cW5s/VEh3OTbvOb83rWvc0iY/X/4gS S3FGoqEWc1FxIgCYDzEjPQQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrILMWRmVeSWpSXmKPExsWy7bCSnK7Bkfg0g//rGC2OtT1ht1iz9xyT xfwj51gtmhevZ7N4Oesem8X58xvYLS7vmsNmsWhZK7NF86YprBb/9+xgt1i14AC7A7fH4j0v mTw2repk89g/dw27x5b9nxk9Pm+SC2CN4rJJSc3JLEst0rdL4MrY+2Myc8FxzoqL93eyNDAe Zu9i5OCQEDCRuDVNp4uRi0NIYDejxKnDC1i7GDmB4pISS+feYIewhSXutxxhhSh6xChx9NhP NpAEi4CKxMdjV8CK2AS0JO79OMEMYosIaEpc//sdrIFZ4BGzxPQXT8AahAViJT7emQlWxCug LfF0w0uoqduZJWbvWsUCkRCUODnzCZjNDDT1xr+XTCCnMgtISyz/xwES5hSwk5jasJsNJCwK dMSrg/UTGAVnIWmehaR5FkLzAkbmVYySqQXFuem5xYYFhnmp5XrFibnFpXnpesn5uZsYwbGi pbmDcfuqD3qHGJk4GA8xSnAwK4nw+hXHpwnxpiRWVqUW5ccXleakFh9ilOZgURLnFX/RmyIk kJ5YkpqdmlqQWgSTZeLglGpgqnl/w7fGNSk4WfCna3niGxbHcyq+71/onzdvn74ofMPKW6ty +S26WeJrvrywyudY+UNa8s8Jm1mxdqLXOsS3WdrqSWUWOQZJLvz8SEQ4Jdl/8fY5v+9XfzMS WPXsfnWLjVByOsuignmBsf+CHb98ecr1xnrei7N9eat1Aqbll567qX43gz1r0Zc31e3bV8+/ dMH0nNFq79NyrMufnfe/X7Ao9Ge028KWM1XPYpKMr6bPzrrT4PPuNfNjX04bx/r0xwVa80T5 b8qt+KF7X9df8bi9YGb9nsVX51n89jli8mif3tt/b3ukVsQcrNdR6LqrHZ93SU9r5cT1muFP z+oXrg1X8HFd+N/8mNaDVYJXlViKMxINtZiLihMBf3VjTQQDAAA= X-CMS-MailID: 20240605014936epcas2p2aef39bb60589271af07737a1059d3d4c X-Msg-Generator: CA Content-Type: multipart/mixed; boundary="----40rWTt6DAFmUrjtMexcyNm5gpMTj9FMdHa8zGfbdWx6mQz74=_4fd93_" X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20240531060731epcas2p4f14afae9f00a7e71e6bd3863f0a51441 References: <1717135657-120818-1-git-send-email-dh10.jung@samsung.com> <1717135657-120818-6-git-send-email-dh10.jung@samsung.com> <9c9d74c0-72a2-418a-b3c6-a0f9716c943d@kernel.org> <20240603034435.GC23593@ubuntu> <20240603085111.GF23593@ubuntu> <1935a30f-b4fd-4240-93f0-e2baf218223d@kernel.org> ------40rWTt6DAFmUrjtMexcyNm5gpMTj9FMdHa8zGfbdWx6mQz74=_4fd93_ Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline On Tue, Jun 04, 2024 at 08:20:44AM +0200, Krzysztof Kozlowski wrote: > On 03/06/2024 10:51, Jung Daehwan wrote: > >>>>> > >>>>> + if (device_property_read_bool(tmpdev, "write-64-hi-lo-quirk")) > >>>>> + xhci->quirks |= XHCI_WRITE_64_HI_LO; > >>>> > >>>> Where is any user of this property (DTS)? Just to clarify: your > >>>> downstream does not matter really. > >>>> > >>> > >>> This is set by dwc3 parent node by software node. > >>> > >>> [PATCH v2 1/5] dt-bindings: usb: snps,dwc3: Add 'snps,xhci-write-64-hi-lo-quirk' quirk > >>> https://lore.kernel.org/r/1717135657-120818-2-git-send-email-dh10.jung@samsung.com/ > >> > >> This is not a patch to DTS. > >> > >> > > > > This is set by software node from dwc3. That's why I think this patch doesn't > > need DTS patch. I would add DTS patch in dwc3 not xhci if it's needed. > > > > What? > > I asked you question which upstream SoC (link to DTS) uses it, and you > say that "no need for DTS patch"? That's not an answer. > > Best regards, > Krzysztof > > I'm sorry I didn't get your point. I've been working on Exynos SoC. But there's no upstream user of this property yet in this patchset. Best Regards, Jung Daehwan ------40rWTt6DAFmUrjtMexcyNm5gpMTj9FMdHa8zGfbdWx6mQz74=_4fd93_ Content-Type: text/plain; charset="utf-8" ------40rWTt6DAFmUrjtMexcyNm5gpMTj9FMdHa8zGfbdWx6mQz74=_4fd93_--