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Wed, 13 Dec 2023 14:35:47 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 13 Dec 2023 14:35:45 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 13 Dec 2023 14:35:45 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman , Rob Herring CC: Chunfeng Yun , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Mathias Nyman , , , , , , Macpaul Lin , Eddie Hung Subject: [PATCH 1/3] dt-bindings: usb: mtk-xhci: add a property for Gen1 isoc-in transfer issue Date: Wed, 13 Dec 2023 14:35:41 +0800 Message-ID: <20231213063543.12435-1-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--5.784700-8.000000 X-TMASE-MatchedRID: qeswZJixemc28LK855iUisp9Bgr5ONKhXxT5cg8K/td+YesuCgkiXLiN d7CXjOinEs/2xsX/gQY8osFhwSMl+G94Ipa1otxodARARTk4h595y+Nu7/EOOvHFoBcOsKez3yV lQmz6NJXYcj7A8ibVERc9sLlt0gKBwrxsKoa/qe0Q9/tMNQ4aijacujaE3jwhmyiLZetSf8mfop 0ytGwvXiq2rl3dzGQ1eqPDNxZp5CwymZplauphdjnPhlbu/1N0Qxp+Se8vDj6zKqplBvusUA== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--5.784700-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 0140AD80CA739D4971F882E7ED6BC57CCD2352AD2BB0F20DF4AA9A0AD1D19CE32000:8 X-MTK: N X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,UNPARSEABLE_RELAY autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (morse.vger.email [0.0.0.0]); Tue, 12 Dec 2023 22:36:04 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1785147550205916050 X-GMAIL-MSGID: 1785147550205916050 For Gen1 isoc-in endpoint on controller before about SSUSB IPM v1.6.0, it still send out unexpected ACK after receiving a short packet in burst transfer, this will cause an exception on connected device, specially for a 4k camera. Add a quirk property "mediatek,rxfifo-depth" to work around this hardware issue; The side-effect is that may cause performance drop about 10%, including bulk transfer. Signed-off-by: Chunfeng Yun --- .../devicetree/bindings/usb/mediatek,mtk-xhci.yaml | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml index e9644e333d78..b8ed68574ba4 100644 --- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml +++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml @@ -124,6 +124,16 @@ properties: defined in the xHCI spec on MTK's controller. default: 5000 + mediatek,rxfifo-depth: + description: + It is a quirk flag used to work around Gen1 isoc-in endpoint transfer + issue that still send out unexpected ACK after device finish the burst + transfer with a short packet and cause an exception, specially on a 4K + camera device, it happens on controller before about IPM v1.6.0; the + side-effect is that may cause performance drop about 10%, include bulk + transfer. + type: boolean + # the following properties are only used for case 1 wakeup-source: description: enable USB remote wakeup, see power/wakeup-source.txt From patchwork Wed Dec 13 06:35:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bmZlbmcgWXVuICjkupHmmKXls7Ap?= X-Patchwork-Id: 177796 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7300:3b04:b0:fb:cd0c:d3e with SMTP id c4csp7583410dys; Tue, 12 Dec 2023 22:36:14 -0800 (PST) X-Google-Smtp-Source: AGHT+IGVsW0C/7mheUuIxyjsj3eJK7h7HhAev/dJg3VBVWrn7d1Qp10amWuwyv8bjF/2vspdm5T0 X-Received: by 2002:a17:902:ea0b:b0:1d0:8e08:35be with SMTP id s11-20020a170902ea0b00b001d08e0835bemr6937034plg.7.1702449374652; Tue, 12 Dec 2023 22:36:14 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1702449374; cv=none; d=google.com; s=arc-20160816; b=IvNX+HA3LKpbbno8trIW+tBcycsgTCWxnRtWeS2GwZJrSeQZJBPqfTvHZGYgLhCxUG 2pTzyjjnwWxoC6WVRC4yqucCPtlR8zUWco5kaN05gLmHnf6XZjq6g64k0iScRMGU9ELY Omn+uKNyxxQ3BnPAThnhyKqbzbY1+Ukwt/6SGHsU3bSuvKznxdlbO9xpoJlxY1DR80HN ejzm6Uxx8YltMg+1h3i0pMMjLsCdgnOo9QCzPK2upWHxp7I7/taV6/wfhNpzy+XZdUdp jnDP7LfaUggfRbWFsKu6ppI0k/PUopNX2nI2KsiI//pHCek6cBjFNgLjKkaqWRMuF3Vn qT7A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=pH+KmYBBMxX8TYTKLHrDBrlZ4+6mHA01DkZGc0as06w=; fh=zJ58vR6WIuqzBSB/MoKt+zcJ7gAdABFIvdu+b7de8Ho=; b=jPB37TDbqgEJVUtrgZVnQhg9Cs8OuQU/ka8ZmgzQzKEjxno/1PRVHmD/vjhUGjvq4f yv8ATNlpTGkw/fvsdQdahI27cDd9NSciWqeBei1cnB1zj+JX8lloyLqbOI1Y120tZNHd iGfMyak7XoZfaF2GdkxrB937s175xk8MCucp1rbOg3W/a3A67BJFDgLqW2eQ6s4YLI7c 8f5YTM7sPLYjx6DmxRk0339HT8t5xnnjRcliFC6nVF6k/dZgjFP5uqMCmFkWVBSUDfzt 8AaSutipAK0jS+EDotT5/fGwlBlfNyxIcpcfKmDsQPRllmhydDpwsLJ3lTY84y5c4bgN 07aA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@mediatek.com header.s=dk header.b=JfgP7AU8; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=mediatek.com Received: from lipwig.vger.email (lipwig.vger.email. [2620:137:e000::3:3]) by mx.google.com with ESMTPS id l12-20020a170903120c00b001d06d47c3c8si9223118plh.299.2023.12.12.22.36.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Dec 2023 22:36:14 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) client-ip=2620:137:e000::3:3; Authentication-Results: mx.google.com; dkim=pass header.i=@mediatek.com header.s=dk header.b=JfgP7AU8; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=mediatek.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by lipwig.vger.email (Postfix) with ESMTP id D6C308043C1B; Tue, 12 Dec 2023 22:36:10 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at lipwig.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378621AbjLMGf5 (ORCPT + 99 others); Wed, 13 Dec 2023 01:35:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57364 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1378609AbjLMGfy (ORCPT ); Wed, 13 Dec 2023 01:35:54 -0500 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 56744CF; Tue, 12 Dec 2023 22:35:55 -0800 (PST) X-UUID: d9af0070998111eeba30773df0976c77-20231213 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=pH+KmYBBMxX8TYTKLHrDBrlZ4+6mHA01DkZGc0as06w=; b=JfgP7AU8Ouav2FDp6WZjPkja7t2rFQc/m+ew4CjGdBOJb4qHRHlF2fzVTErl+wERVvjsna2ZTxokFTNAhgvPzizJghRJyaycwreh9ljT03p8K9OWO4ykmRDkL13UJ2GAsZzQHx/yEM33iymx1MtlR+UEfPOX+j5yn91ysMGelBA=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.35,REQID:c5eb17d4-acb7-4b96-a1ce-9e1a323d8269,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:5d391d7,CLOUDID:efe99cfd-4a48-46e2-b946-12f04f20af8c,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR: NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULN X-UUID: d9af0070998111eeba30773df0976c77-20231213 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 122479028; Wed, 13 Dec 2023 14:35:47 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 13 Dec 2023 14:35:46 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 13 Dec 2023 14:35:45 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman , Rob Herring CC: Chunfeng Yun , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Mathias Nyman , , , , , , Macpaul Lin , Eddie Hung Subject: [PATCH 2/3] usb: xhci-mtk: fix a short packet issue of gen1 isoc-in transfer Date: Wed, 13 Dec 2023 14:35:42 +0800 Message-ID: <20231213063543.12435-2-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231213063543.12435-1-chunfeng.yun@mediatek.com> References: <20231213063543.12435-1-chunfeng.yun@mediatek.com> MIME-Version: 1.0 X-MTK: N X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,UNPARSEABLE_RELAY autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Tue, 12 Dec 2023 22:36:11 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1785147555371255403 X-GMAIL-MSGID: 1785147555371255403 For Gen1 isoc-in transfer, host still send out unexpected ACK after device finish the burst with a short packet, this will cause an exception on the connected device, such as, a usb 4k camera. It can be fixed by setting rxfifo depth less than 3, prefer to use 2 here, the side-effect is that may cause performance drop about 10%, including bulk transfer. Fixes: 926d60ae64a6 ("usb: xhci-mtk: modify the SOF/ITP interval for mt8195") Signed-off-by: Chunfeng Yun --- drivers/usb/host/xhci-mtk.c | 35 +++++++++++++++++++++++++++++++++-- drivers/usb/host/xhci-mtk.h | 1 + 2 files changed, 34 insertions(+), 2 deletions(-) diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c index bbdf1b0b7be1..a54535877e90 100644 --- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -73,6 +73,9 @@ #define FRMCNT_LEV1_RANG (0x12b << 8) #define FRMCNT_LEV1_RANG_MASK GENMASK(19, 8) +#define HSCH_CFG1 0x960 +#define SCH3_RXFIFO_DEPTH_MASK GENMASK(21, 20) + #define SS_GEN2_EOF_CFG 0x990 #define SSG2EOF_OFFSET 0x3c @@ -165,6 +168,33 @@ static void xhci_mtk_set_frame_interval(struct xhci_hcd_mtk *mtk) writel(value, hcd->regs + SS_GEN2_EOF_CFG); } +/* + * workaround: usb3.2 gen1 isoc rx hw issue + * host send out unexpected ACK afer device fininsh a burst transfer with + * a short packet. + */ +static void xhci_mtk_rxfifo_depth_set(struct xhci_hcd_mtk *mtk) +{ + struct usb_hcd *hcd = mtk->hcd; + u32 value; + + if (mtk->rxfifo_depth_quirk) { + value = readl(hcd->regs + HSCH_CFG1); + value &= ~SCH3_RXFIFO_DEPTH_MASK; + value |= FIELD_PREP(SCH3_RXFIFO_DEPTH_MASK, 2); + writel(value, hcd->regs + HSCH_CFG1); + } +} + +static void xhci_mtk_init_quirk(struct xhci_hcd_mtk *mtk) +{ + /* workaround only for mt8195 */ + xhci_mtk_set_frame_interval(mtk); + + /* workaround for SoCs using SSUSB about before IPM v1.6.0 */ + xhci_mtk_rxfifo_depth_set(mtk); +} + static int xhci_mtk_host_enable(struct xhci_hcd_mtk *mtk) { struct mu3c_ippc_regs __iomem *ippc = mtk->ippc_regs; @@ -448,8 +478,7 @@ static int xhci_mtk_setup(struct usb_hcd *hcd) if (ret) return ret; - /* workaround only for mt8195 */ - xhci_mtk_set_frame_interval(mtk); + xhci_mtk_init_quirk(mtk); } ret = xhci_gen_setup(hcd, xhci_mtk_quirks); @@ -527,6 +556,8 @@ static int xhci_mtk_probe(struct platform_device *pdev) of_property_read_u32(node, "mediatek,u2p-dis-msk", &mtk->u2p_dis_msk); + mtk->rxfifo_depth_quirk = of_property_read_bool(node, "mediatek,rxfifo-depth"); + ret = usb_wakeup_of_property_parse(mtk, node); if (ret) { dev_err(dev, "failed to parse uwk property\n"); diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h index 39f7ae7d3087..2443075530e3 100644 --- a/drivers/usb/host/xhci-mtk.h +++ b/drivers/usb/host/xhci-mtk.h @@ -166,6 +166,7 @@ struct xhci_hcd_mtk { unsigned int has_ippc:1; unsigned int lpm_support:1; unsigned int u2_lpm_disable:1; + unsigned int rxfifo_depth_quirk:1; /* usb remote wakeup */ unsigned int uwk_en:1; struct regmap *uwk; From patchwork Wed Dec 13 06:35:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bmZlbmcgWXVuICjkupHmmKXls7Ap?= X-Patchwork-Id: 177797 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7300:3b04:b0:fb:cd0c:d3e with SMTP id c4csp7583482dys; Tue, 12 Dec 2023 22:36:26 -0800 (PST) X-Google-Smtp-Source: AGHT+IEHKjXadBkuOghujl1LJelSb7ylxE6N0YUJ3T/CEfMNBOG+BIqqf2NmBfWeZTU/doTFbflo X-Received: by 2002:a05:6a20:748f:b0:18f:97c:9769 with SMTP id p15-20020a056a20748f00b0018f097c9769mr9343789pzd.81.1702449386567; Tue, 12 Dec 2023 22:36:26 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1702449386; cv=none; d=google.com; s=arc-20160816; b=xlYAokhwMRipxyL2pHaWGpsWHD5KdcoIw8/aRau3xLMnjP/UKjJsytxj7gmMn+dcm5 rfcvmSq3AV60JDWmJi/iz2c7yFIq70p8RYZNHc1KeD+cQ4VV1Sd4Ur3aAllf1vKS6R8w 6tSFzCT4dKkq0a1dZwes8UnUXhw8+LChTFBvIKlsd+m2v1cuSO+C/XD2/ChTknIrhNSw vK3qJXs2Z8G9sdiFBAQqYtS6xtl0lTuXLmgAbHU5W/SYWjFZT4m+o8yzrUolNVZDNTod 32zeXlXI6vIkQJy5XfSsz2GgOPSpVUIIKY2tV1nLO7/nS/jJtlrW2jSLC/WgJFo2dK91 PtFw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=wT6L12FQNaWx6Rm0cYBfdK4wwQwZV9ZOJPOa++K3K/g=; fh=zJ58vR6WIuqzBSB/MoKt+zcJ7gAdABFIvdu+b7de8Ho=; b=MSPXtmK/J3Pig/O+HGrEDpL1T6dYxQDJPWOzak7TOoEswzDndMG0UJF15Kl9p8RJPY k33SwPKWyA/BjzKCRqoOzeAufBj755VUsnuw6YRgu1jWBRdcKJ94wDXDXcKRtFwP7lUW +bPYLykNFKqAq7/kFOfYcH7zUtmCMyViiTlwydQ6VYZ5gOe8FIokDw3hVg31YcLPeD5C /HOZu1W/uP/v+j8uMvd7XLbLKPswZvgECZJu7E4PA8gmrDX+TcF2lYj8wMZgks9SopY7 MtmDm6XgycX76awW7G+5YDpxtK4KnEvq5gs6MmVEBUNJe0dmkRBU/n08KsEijiRM/xVI O0Yg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@mediatek.com header.s=dk header.b=LC4YDiav; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=mediatek.com Received: from howler.vger.email (howler.vger.email. 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Wed, 13 Dec 2023 14:35:49 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 13 Dec 2023 14:35:47 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 13 Dec 2023 14:35:46 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman , Rob Herring CC: Chunfeng Yun , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Mathias Nyman , , , , , , Macpaul Lin , Eddie Hung Subject: [PATCH 3/3] arm64: dts: mediatek: mt8195: Add mediatek,rxfifo-depth to cherry Date: Wed, 13 Dec 2023 14:35:43 +0800 Message-ID: <20231213063543.12435-3-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231213063543.12435-1-chunfeng.yun@mediatek.com> References: <20231213063543.12435-1-chunfeng.yun@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--1.493100-8.000000 X-TMASE-MatchedRID: 6pbNFWS8cDvREKzvS64+oUAoPtuOD8baBdebOqawiLsUta+LQgEZMA4D QawrW+a/bhd2wSXB2al2ke9pVPnlKW94Ipa1otxo98sqn8kK3uF9LQinZ4QefOYQ3zcXToXr+gt Hj7OwNO2OhzOa6g8KrdEifc9nolYfTA0OZlrhcEd8tH5vvpYSxTzEkZW7fanljQJquhmJPATW0/ 74iSYj85QfOBeKyB45Yu4o39ob+Xo7BmSr5gys2eLDq7G+Ik/yv22xKJRyIGVDnOxozmpp1r+Wv XJiKHRLMw/B2eF7ydmUTGVAhB5EbQ== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--1.493100-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 7076D785627DCAEAF457C7A3EF026C5B2281C7455469107C4ADE47F566AFBC692000:8 X-MTK: N X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,UNPARSEABLE_RELAY autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on howler.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Tue, 12 Dec 2023 22:36:21 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1785147568171340913 X-GMAIL-MSGID: 1785147568171340913 Add the quirk property "mediatek,rxfifo-depth" to work around Gen1 isoc-in transfer issue which send out unexpected ACK even after device already finished the burst transfer with a short patcket, specially for a 4K camera device. Signed-off-by: Chunfeng Yun --- arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi index dd5b89b73190..2f2133931846 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi @@ -1185,6 +1185,7 @@ &xhci0 { vusb33-supply = <&mt6359_vusb_ldo_reg>; vbus-supply = <&usb_vbus>; + mediatek,rxfifo-depth; }; &xhci1 { @@ -1192,6 +1193,7 @@ &xhci1 { vusb33-supply = <&mt6359_vusb_ldo_reg>; vbus-supply = <&usb_vbus>; + mediatek,rxfifo-depth; }; &xhci2 {