From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3B1ACC5B570 for ; Mon, 10 Aug 2026 15:42:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=CwfPSJGKdWSuHNXWElbWsSOzFqUDGoHjHM2YYl+dwbM=; b=iLRWQJI054wYxH vdNBLZfdTMgYSecHIvHb0rkNMxFt97+MvnlW+hO4+HDPBOpnWUklqUOZ3dYjYjy9KwxgzkTGafB8h Krm1yO1k9ap1UjHeGiGTP3G26Fjv0jaiuP/PySgV1so0Ckd9UYnEYdChA5Aectp4HWQ/0CGaomiFn dK1M55zz+x6o9NLjCDmFe+N6HN8xwgzvnH45TBMmnCnD0u2nyzSKqahNVidfDWU6lV+W84uUXOG8a zXhf4+5id9i6R75MXzXGgmcjEahRM8zZ/uQUg94P8o5E8i+d9rGownOXpbHxZl+44W3NOUxCat3eK zxtLZsUdOipU5CLu/Jpg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtS90-0000000CIZ6-3ro7; Mon, 10 Aug 2026 15:42:30 +0000 Received: from mx0a-0031df01.pphosted.com ([205.220.168.131]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtS8x-0000000CIX8-3Utb for linux-phy@lists.infradead.org; Mon, 10 Aug 2026 15:42:28 +0000 Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 67AFWJMv2090749 for ; Mon, 10 Aug 2026 15:42:27 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= VwWUHl7i5SxMpjZvZ8DdyGzjAdldYolgun/dp8YjJTM=; b=jxdmszqn7wOWgM4g BQIxMCEhb7VA4IFBuq8zWvTYwal3EbxIy/TY5wi9PbaOaFD1LL+aH97yZQ7HvRI9 K26RBeI/XFAlm6QmUZU0OsNQ6QV5rCutbp/nt7TkwZCpgbg9+BAcxfN8M4pSEQgx IwaQarj+/eWbFERrk8p7OKo1JOdPLkIGAd5uBlAXoqTjybvAXITMGVGG1AHSXLLb NYpTv/JCbDXfMIlGe8OL+AofhJ5H1jwNd28tyyrlGH9odQjNmWPuMTuz/F8oTrKy pcQ9IuPXo2pcRVkOeXjJFikBf1YOZK+XbYtt/rjtZvyzSefQ0RqUcHsUW8MXPtDk GujWBg== Received: from mail-qt1-f197.google.com (mail-qt1-f197.google.com [209.85.160.197]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4fybh59qcm-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 10 Aug 2026 15:42:27 +0000 (GMT) Received: by mail-qt1-f197.google.com with SMTP id d75a77b69052e-52cd0374265so39784171cf.1 for ; Mon, 10 Aug 2026 08:42:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1786376546; x=1786981346; darn=lists.infradead.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=VwWUHl7i5SxMpjZvZ8DdyGzjAdldYolgun/dp8YjJTM=; b=NjGnQIn/+CaYdx2bmDqjrlTQODowMDFbkO1Ck4JhWG1dtsgGqobIqySACQ/DZnWMxS U5m6aKUw3hCe2LVuo5L43ahfThXMUELWYFzPwHOzAN4duFIVHUyeujj3BybSUyVn1MiR qABXZ7Y3bDghZe8lRnV847jMqd0fP/ngxBcIzNG0Tzmd6YBxEvARjre6Byt7s2qYNxUW yyMunGPocg7Vg50XCuqx2S9R2zBQ08CoUHpvVeU2lPREnigxfCswKwf3RgOlL0DLl3vv XKtg/i4psmJe+7FHtz/+5KC7Ox/jVVT5AzUXLWju/3fmIFoUrZt73FmqVJDTawdD9ebE QKlw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786376546; x=1786981346; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=VwWUHl7i5SxMpjZvZ8DdyGzjAdldYolgun/dp8YjJTM=; b=iZIDncJ1DIUudD8lEZP4LHId68nkCGMVvP0m0Wm+JXcJE58Py37CmKIg9vCtoixdXZ ym121Jle9IiGaBQ4S+lcCYgRW/nMx9hh0fzL5Z5Si9VPnHzjerFcAQDwWTaXKUrhw/Es SGmnfOFdN8p2mJcZMKok2a9WLbgy1q4fMCGguWgk7PgaJe2g9k4D/x8AjT1dqu3ilQGy Iaeo4e0SSVclJFjigqotwca6u2/FzvSw7rPWddLHJ6V6ZRa+yJC4AhI4BeuuIyV+Rb70 mmEtI4l91Wj/W4oFlQtXEk11ksAeX8NJW9KqpA8O5u5EQAmgGykz2HR6KsPL/aJ4eFj2 QZeQ== X-Forwarded-Encrypted: i=1; AHgh+RpR7s3CTdDTEf/AwJBPmtnH5sLn4kMoo48j0ckGnNXg+B2PevINMrz6jvgthCAgl4ST93eHtvogyis=@lists.infradead.org X-Gm-Message-State: AOJu0YxEEKU243CpDxNMU/kzZ8mfXPCVQ9AzrJhrGpKWDUkp4y7uw7mK zPZ4ySXH0W2D5c35BHriYqW+hbkcDURYH1Tk5Jt/FQACwpr+t03hw24YMBoApOYH0le7+HP8Z7L NjCoxDKJ8gtiZbKRDFUPnTBnxq+mhkYvN17YNla6ba8TleI33ZhZCo1uf7zleMRyeLnjF X-Gm-Gg: AR+sD10HvcIaTWXGIc35viEhykSNAY1VFTHIqGmAa3l8/LLsq4HPC5tDSH2Rj3kI92/ /NRb/BXv2CUvfpEk5Fmyct7kCGkxl1mveTaCjZQx6ageWqLofsX+O2/ZIarVOMDz1PM8ryLFZfQ qQenxuSmBipLDwf0HwtYdZl1Dm6unSOanbpAAESD5aCbXInURNpDiDU+9Ii1se3qJKroBeTBxs3 F65NSSBQbL0rObWTuCirIwyThqCOgS9hV1xKfdm9ySkX//s2fn3dDMxZh6eauzDGaT+eRLUtiBR NwJii8pGjZ2xfCFyl9RLqhrEEwoj4syeH30kl7EGO9Jj9t0aAs3X7sCukp7/zAzemrWBs27+O/9 k8uWMN0ttU6pnvi2Otzy2a01H3brcxlmpqzFUIZx0o8PMkW7QxYAGCPx9c1XWXdsbQSU1CvNOPq eYZVxprsKuYOMO+g== X-Received: by 2002:a05:622a:1e14:b0:51c:d52:6049 with SMTP id d75a77b69052e-52d20a10f1amr262582591cf.28.1786376546331; Mon, 10 Aug 2026 08:42:26 -0700 (PDT) X-Received: by 2002:a05:622a:1e14:b0:51c:d52:6049 with SMTP id d75a77b69052e-52d20a10f1amr262581891cf.28.1786376545891; Mon, 10 Aug 2026 08:42:25 -0700 (PDT) Received: from umbar.lan (2001-14ba-a073-af00-264b-feff-fe8b-be8a.rev.dnainternet.fi. [2001:14ba:a073:af00:264b:feff:fe8b:be8a]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5b3056f1bbdsm2071673e87.82.2026.08.10.08.42.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Aug 2026 08:42:24 -0700 (PDT) From: Dmitry Baryshkov Date: Mon, 10 Aug 2026 18:42:11 +0300 Subject: [PATCH 07/10] usb: chipidea: msm: do not force the TX FIFO idle on HSIC instances MIME-Version: 1.0 Message-Id: <20260810-msm8974-usb-hsic-v1-7-e5f93ea76ffa@oss.qualcomm.com> References: <20260810-msm8974-usb-hsic-v1-0-e5f93ea76ffa@oss.qualcomm.com> In-Reply-To: <20260810-msm8974-usb-hsic-v1-0-e5f93ea76ffa@oss.qualcomm.com> To: Bartosz Golaszewski , Bjorn Andersson , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Xu Yang , Peng Fan , Vinod Koul , Neil Armstrong , Peter Chen , Pavankumar Kondeti , Stephen Boyd , Konrad Dybcio Cc: Krzysztof Kozlowski , linux-arm-msm@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-phy@lists.infradead.org, Greg Kroah-Hartman , Peter Chen X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1439; i=dmitry.baryshkov@oss.qualcomm.com; h=from:subject:message-id; bh=KOQNNO81+830lW+Q5k5LUwxKxi+2T+vtgXBl8cZSLfw=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBqefFREDbAEKMO2A2Qs9sERI3xq59bkDCER9uEc 7ajvN/A67+JATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCannxUQAKCRCLPIo+Aiko 1cMKCACItVH4hSeLJfpkqgtM3Mn+A0oSAX0xdpecK5aC/leaBuzd+gGevn7S9wcw4VTojJH0NY9 dlDqP/dudfyiT5l7h3bhhYGIq/UmrMHFXjWHdY2u62V1hYgendPYLbXSSpPAeOKKKE2p/amEH6M uVck/ccgyD2q4xOK2AXuzcyH5Zm9vobVl0taSLfCTB7wvYltD46LNhXdMLePE9DFsID4VJLdFbh 9Wth5gRpr2OSRCyTDtM9tzLupcOH33DHNSyCImYJuWTGYg9LnDODCk1HKcyN8/XMFFdlWX5hJcL hugegT0rjwOPAlYMZpozWbu4BwtyYPhlag1ogWOEb1BpZdyC X-Developer-Key: i=dmitry.baryshkov@oss.qualcomm.com; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A X-Authority-Analysis: v=2.4 cv=O4YJeh9W c=1 sm=1 tr=0 ts=6a79f163 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=EUspDBNiAAAA:8 a=Nuiyuvcmx6Gf9mYuf-0A:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-ORIG-GUID: 9-Hv2ChSODSgOjZJtif05awXPPAK0hyZ X-Proofpoint-Spam-Info: AW1haW4tMjYwODEwMDEzNSBTYWx0ZWRfXwl0Uep358cQc Hz1DYjdr6Ps85RSpi7tRgLvAwaXkr07aHz8kqJ12jgPcWIgFQ2bclIkIoaNwDbZah901y4pYWEG f5YMCqvx6fJgzzpk7opRaRMhEigZdxY= X-Proofpoint-GUID: 9-Hv2ChSODSgOjZJtif05awXPPAK0hyZ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODEwMDEzNSBTYWx0ZWRfX9aCI6hlukpau tRzKwk+MF803l0EP/XybvnZDe92QASM2tevacX4aa+Qn7Dfl6ECOmQg4MsdUJKEwua/PhvhIqjY wjN7H+u1+Y9imkNAqqaNFhr9raCeXbY1ycK+DXlEAbdBax7fLHsFQBCTm1CZgSVBG6ojvUzV1Me sawuhDte1X9wJj+4l4DRj420ajBjXhOSjwZBmedv/sSEFpQjycOy9iJwTWorx873M8dnumry15h mckomnU4sKVzjIfvUpNEswnx5SOYrRdzYIcKs7grlaHtt4su2CNz9Q0vSVRrIyhiOYqV0Ac9Bfw b7kYd23SeF5bGKDffVprgrs2aodQDgerTA8rBOmS1En42G4tL5IP/7jcxBIn3DNw+xtcm0H9UKf 9zZsfDDc0lhPf70fsBvveOJy4G1cVYqXhq0tzsrUc2ctuiaUT03frIBkXX/oAX/BazipDELmU4G kaNywh8WNI2lJakOngg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-10_03,2026-08-10_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 adultscore=0 clxscore=1015 malwarescore=0 phishscore=0 bulkscore=0 lowpriorityscore=0 suspectscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608100135 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260810_084227_878356_F1ED5E18 X-CRM114-Status: GOOD ( 14.13 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org The controller reset handler unconditionally clears GENCONFIG[TXFIFO_IDLE_FORCE_DIS] as a workaround for an RX buffer collision issue. The vendor HSIC host driver never applies this workaround on the HSIC instances and leaves the bit at its power-on default (set), so clearing it makes the HSIC instance diverge from the known-working configuration. Skip the workaround for HSIC instances, like the neighbouring GENCONFIG_2 write already does. Fixes: 47654a162081 ("usb: chipidea: msm: Restore wrapper settings after reset") Assisted-by: Claude:claude-fable-5 Signed-off-by: Dmitry Baryshkov --- drivers/usb/chipidea/ci_hdrc_msm.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c index 9a9410a814e5..69be194f8e27 100644 --- a/drivers/usb/chipidea/ci_hdrc_msm.c +++ b/drivers/usb/chipidea/ci_hdrc_msm.c @@ -108,8 +108,9 @@ static int ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event) hw_write_id_reg(ci, HS_PHY_AHB_MODE, 0xffffffff, 0x8); /* workaround for rx buffer collision issue */ - hw_write_id_reg(ci, HS_PHY_GENCONFIG, - HS_PHY_TXFIFO_IDLE_FORCE_DIS, 0); + if (!msm_ci->hsic) + hw_write_id_reg(ci, HS_PHY_GENCONFIG, + HS_PHY_TXFIFO_IDLE_FORCE_DIS, 0); if (!msm_ci->hsic) hw_write_id_reg(ci, HS_PHY_GENCONFIG_2, -- 2.47.3 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy