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Mon, 3 Jun 2024 17:50:36 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas2p1.samsung.com (KnoxPortal) with ESMTPA id 20240603085036epcas2p1fc4df4c804b3ce38dd5a09ac96a56924~VcmrrI27p1376813768epcas2p1X; Mon, 3 Jun 2024 08:50:36 +0000 (GMT) Received: from epsmgmc1p1new.samsung.com (unknown [182.195.42.40]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20240603085036epsmtrp2520c78db3e0698f148723a5eb109187e~Vcmrqaekb2396223962epsmtrp2r; Mon, 3 Jun 2024 08:50:36 +0000 (GMT) X-AuditID: b6c32a48-ea7ff70000002507-27-665d83dce810 Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgmc1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 2A.AE.07412.CD38D566; Mon, 3 Jun 2024 17:50:36 +0900 (KST) Received: from ubuntu (unknown [10.229.95.128]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20240603085036epsmtip2cfe9bf8cc9160e24eb80b72d31a6287c~Vcmrej5fl2188021880epsmtip2A; Mon, 3 Jun 2024 08:50:36 +0000 (GMT) Date: Mon, 3 Jun 2024 17:51:11 +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: <20240603085111.GF23593@ubuntu> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrNJsWRmVeSWpSXmKPExsWy7bCmue6d5tg0g4tHtC2OtT1ht1iz9xyT xfwj51gtmhevZ7N4Oesem8X58xvYLS7vmsNmsWhZK7NF86YprBb/9+xgt1i14AC7A7fH4j0v mTw2repk89g/dw27x5b9nxk9Pm+SC2CNyrbJSE1MSS1SSM1Lzk/JzEu3VfIOjneONzUzMNQ1 tLQwV1LIS8xNtVVy8QnQdcvMATpNSaEsMacUKBSQWFyspG9nU5RfWpKqkJFfXGKrlFqQklNg XqBXnJhbXJqXrpeXWmJlaGBgZApUmJCdsf7QFcaCu/wVf87FNzB283YxcnJICJhI7Pt/lq2L kYtDSGAHo8T1XZfYQRJCAp8YJb5u9YBIfGOU+P28kRmmY+aWjawQib2MEm/X7IZynjBKrDv0 iQWkikVAReLygktgNpuAlsS9HyfAukUENCWu//0O1sAscIdZYtK6E2wgCWGBWImPd2aCFfEK aEssWfyMFcIWlDg58wnYIE4BO4nTGzqYuhg5OESBFrw6WA8yR0JgJodE36N3rBDnuUhMmfwU 6lRhiVfHt7BD2FISn9/tZYOwiyVuPX/GDNHcwiix4lULVIOxxKxn7YwgNrNAhkTLgROsIMsk BJQljtxigQjzSXQc/ssOEeaV6GgTguhUlph+eQLUCZISB1+fg5roIXHp+mxo+D5kkph88RDL BEb5WUhem4VkG4StI7Fg9ye2WUArmAWkJZb/44AwNSXW79JfwMi6ilEstaA4Nz212KjABB7Z yfm5mxjBqVbLYwfj7Lcf9A4xMnEwHmKU4GBWEuHtq4tOE+JNSaysSi3Kjy8qzUktPsRoCoyo icxSosn5wGSfVxJvaGJpYGJmZmhuZGpgriTOe691boqQQHpiSWp2ampBahFMHxMHp1QDk32S 564qnv4mrm+f9tfLnAtOsnOZrH6lZ1uj9H+ZWP+cN1cmVj4Mfhub9Xvb9FMG917HCCrNlcx1 O3PmJqv/xKuFKrzL+r/oV8ddLS39UREUzbnszyIZ6eU26yK/K351VVI/JM9qLdwQsu6j+P+8 pDLPF6qquetXHih6MfnjYr6QKx/P1a/+cWu7t0pSnkxtRkXetOPHD71lUH/GtsqIQeHWq+Nx hvtlpvCtfDvZ5nSG3c0H/roB6fIy535wiy3benn/gerr7idepWx4yZlyg9P3y5WmrhsfW1fs qP7jb3w26PBU4xWv3ISdlt2ZsMb3X+wr7uRDqjy/VnvN3HHRVHDyTZ7AmXEFN5QKz+j3Viux FGckGmoxFxUnAgCyQ9rDPgQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrILMWRmVeSWpSXmKPExsWy7bCSvO6d5tg0g2nLRS2OtT1ht1iz9xyT xfwj51gtmhevZ7N4Oesem8X58xvYLS7vmsNmsWhZK7NF86YprBb/9+xgt1i14AC7A7fH4j0v mTw2repk89g/dw27x5b9nxk9Pm+SC2CN4rJJSc3JLEst0rdL4MrY8/MRc8Fc3or5m1awNTA+ 4epi5OSQEDCRmLllI2sXIxeHkMBuRokfL+8zQyQkJZbOvcEOYQtL3G85wgpiCwk8YpSY/r0O xGYRUJG4vOASC4jNJqAlce/HCbBeEQFNiet/v4MNZRZ4xCwx/cUTNpCEsECsxMc7M8GKeAW0 JZYsfga1+SGTxM5Np5ggEoISJ2c+AZvKDDT1xr+XQHEOIFtaYvk/DpAwp4CdxOkNHWBhUaAj Xh2sn8AoOAtJ8ywkzbMQmhcwMq9ilEwtKM5Nz002LDDMSy3XK07MLS7NS9dLzs/dxAiOFS2N HYz35v/TO8TIxMF4iFGCg1lJhLevLjpNiDclsbIqtSg/vqg0J7X4EKM0B4uSOK/hjNkpQgLp iSWp2ampBalFMFkmDk6pBiYthrin+lvLEhtmX99+eMGxvhcVwh4HVS6Exzod1uBYMrXp0b2W vOakefs4VevbEnafaJq37uStn7fcVNdmHFWX3XJM7KVU74tfC8V/xSz32OCpULfOt/lee+eB 9z//5Pj8MpPesf6B+FKmF+1t4p9fVVzvje6ujGSRWq5YGG0zd3N+SZ/8tuWK+5d/5ZPdZKBU PXOr243JMQWSbVWTvern+WjfM7F0WBtk/mirfKVp1ptdn/VCl3y/MHGXovm/o1NqTxxap82q x7Q+4/C3Ng3F1R/tIy5fe5N3ZqGaffCslv7/UyylIyeuN+5LE5z53+ztEYWnah5Hda/x7NzW Gzr31IIura7Si7KTyl59mLNMiaU4I9FQi7moOBEAblXuHgQDAAA= X-CMS-MailID: 20240603085036epcas2p1fc4df4c804b3ce38dd5a09ac96a56924 X-Msg-Generator: CA Content-Type: multipart/mixed; boundary="----CGP_Yo4KSd1.GMH1id3MjqccfDy5Ep7f4Yd1jhLawOabyReQ=_3b4f3_" 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> ------CGP_Yo4KSd1.GMH1id3MjqccfDy5Ep7f4Yd1jhLawOabyReQ=_3b4f3_ Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline On Mon, Jun 03, 2024 at 08:56:09AM +0200, Krzysztof Kozlowski wrote: > On 03/06/2024 05:44, Jung Daehwan wrote: > > On Fri, May 31, 2024 at 10:12:36AM +0200, Krzysztof Kozlowski wrote: > >> On 31/05/2024 08:07, Daehwan Jung wrote: > >>> This is set by dwc3 parent node to support writing high-low order. > >>> > >>> Signed-off-by: Daehwan Jung > >>> --- > >>> drivers/usb/host/xhci-plat.c | 3 +++ > >>> 1 file changed, 3 insertions(+) > >>> > >>> diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c > >>> index 3d071b8..31bdfa5 100644 > >>> --- a/drivers/usb/host/xhci-plat.c > >>> +++ b/drivers/usb/host/xhci-plat.c > >>> @@ -256,6 +256,9 @@ int xhci_plat_probe(struct platform_device *pdev, struct device *sysdev, const s > >>> if (device_property_read_bool(tmpdev, "xhci-sg-trb-cache-size-quirk")) > >>> xhci->quirks |= XHCI_SG_TRB_CACHE_SIZE_QUIRK; > >>> > >>> + 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. Best Regards, Jung Daehwan > Best regards, > Krzysztof > > ------CGP_Yo4KSd1.GMH1id3MjqccfDy5Ep7f4Yd1jhLawOabyReQ=_3b4f3_ Content-Type: text/plain; charset="utf-8" ------CGP_Yo4KSd1.GMH1id3MjqccfDy5Ep7f4Yd1jhLawOabyReQ=_3b4f3_--