From patchwork Thu Sep 21 21:48:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 143220 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:172:b0:3f2:4152:657d with SMTP id h50csp5370828vqi; Fri, 22 Sep 2023 00:00:25 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHum0fLqFvIfoCSXQP91cKMbijdY5oSymeiG1Kiv2uimKTRQcShj5AJc2Ek/VOM2lqL437v X-Received: by 2002:a05:6102:51b:b0:452:58a1:112 with SMTP id l27-20020a056102051b00b0045258a10112mr7251823vsa.3.1695366025575; Fri, 22 Sep 2023 00:00:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1695366025; cv=none; d=google.com; s=arc-20160816; b=Y3+gw5lR6eVZv438W043lVRTjPnr2CkDD9Qs+CM6g5+kF5hDBd7l7UBLA7v7hVDemx x5lHz7fzXRy8EtW7ig9Q4+RnBjx8u2QvDYveQXbz3JZMymHg42pSLTkmvu/yumRc+nr8 2IeGPrKl0Dd1VjdiC1eEgQNydUQkyDYwl/yGBvg3t4diZoSXkGEB9R/exdNnMlq/OkF5 xQJxr+pQR2Wa39JlZYNKLU9+6oTQpkFPtSJ7/eZSu7pKwMOprDVmeRqehJhhBolGtE4V TYPtbHuqv4cXUygurCOeIlmyvB2Sxwy7KCqWQ5ex/FFbL/i2yEc+IIOBK/BpW32Kohm1 QSCA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:references:in-reply-to:message-id :date:subject:cc:to:from:dkim-signature; bh=NS6wPrfCi20AN06ZF+zNXfCmSrqpuR/CsstYpwApEC4=; fh=MhCCCRx4c0AeUz43uLzZOKA4YzcBN2mk3tAWrRRVvW4=; b=YiuH17D8x0/W+Z60OLJ6k8IsQ+Rbdc+tSEfDZO5vmaggmP81d4s3jX94J8cEgEkaaT RquHJuqhmM2zIruIBZQ0toAwVsVjptkv3yicQoA+CjHEY5Ysg9WUO0mcTgaM6gQwjjqM KwCHTUz0cWcMUnYCLmGmeYE6IAGUR9oQ1xD6WxkZZTn7y+s9D8MxnlROWI6tmRaNWsM1 8NxpogUVZ1YtG09S/C7RWOmnh+d7CoITOyYM7UrkLMsbRs8Gbmc7oKfHIf4vxokuhCd9 jeLQw7HYa/s2jPW/IcK7rtTqzPx1BozWeUAjltHnqY/UZB7ZO4fDuy0MD7GfW/S68kwD G+NQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@quicinc.com header.s=qcppdkim1 header.b=carptqq+; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=quicinc.com Received: from groat.vger.email (groat.vger.email. [2620:137:e000::3:5]) by mx.google.com with ESMTPS id 184-20020a6302c1000000b00565322ef4f1si3245541pgc.348.2023.09.22.00.00.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Sep 2023 00:00:25 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) client-ip=2620:137:e000::3:5; Authentication-Results: mx.google.com; dkim=pass header.i=@quicinc.com header.s=qcppdkim1 header.b=carptqq+; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=quicinc.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by groat.vger.email (Postfix) with ESMTP id 0A3B883037E6; Thu, 21 Sep 2023 15:15:52 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at groat.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232852AbjIUWPc (ORCPT + 29 others); Thu, 21 Sep 2023 18:15:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53624 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232312AbjIUWPU (ORCPT ); Thu, 21 Sep 2023 18:15:20 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 060BB3A9A; Thu, 21 Sep 2023 14:49:38 -0700 (PDT) Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38LLc4NI009568; Thu, 21 Sep 2023 21:48:59 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=NS6wPrfCi20AN06ZF+zNXfCmSrqpuR/CsstYpwApEC4=; b=carptqq+0eAOGQmO/xFjJSz5Kv6qhMIkgg+nPID+pUCcqgSVhg3cOheFaNeCv9Io9kVh ZxRauYD+8awkpVRdTOa3SL/NpD5FHO51PQ8buV2hfPHI2w3N3Y6bP1QM1hPcpvnf9aBp gD8or46E1eOXsf+UNGgxzcIAeDbuik17mG1h1JH0R4wJ9W1SXYpQcjv9F59Dsr7eXIXy MIXZ3OGyOpQv2iTmEexIwF2Yx0V+9PEdTNYeBPIPACNzJc3k5XFnIRrWKcjP8RSwHFgv PCgOn5e3JR+G27hmDJjQRJ/S58YsDM4qOLCPls0oKLu4+240K5ZfTaxGaAD0WtgexRGO JA== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3t8uf2g9ph-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 21 Sep 2023 21:48:58 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 38LLmvem032102 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 21 Sep 2023 21:48:57 GMT Received: from hu-wcheng-lv.qualcomm.com (10.49.16.6) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.36; Thu, 21 Sep 2023 14:48:57 -0700 From: Wesley Cheng To: , , , , , , , , , , , , , , CC: , , , , , Wesley Cheng Subject: [PATCH v7 15/33] usb: dwc3: Specify maximum number of XHCI interrupters Date: Thu, 21 Sep 2023 14:48:25 -0700 Message-ID: <20230921214843.18450-16-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230921214843.18450-1-quic_wcheng@quicinc.com> References: <20230921214843.18450-1-quic_wcheng@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01a.na.qualcomm.com (10.47.209.196) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: N0tw2pPZ1ARpxdW2kNv-qehwZixOhydm X-Proofpoint-ORIG-GUID: N0tw2pPZ1ARpxdW2kNv-qehwZixOhydm X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-09-21_18,2023-09-21_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 malwarescore=0 adultscore=0 mlxlogscore=667 mlxscore=0 impostorscore=0 clxscore=1015 suspectscore=0 phishscore=0 bulkscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2309180000 definitions=main-2309210188 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.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 (groat.vger.email [0.0.0.0]); Thu, 21 Sep 2023 15:15:53 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1777720125584083915 X-GMAIL-MSGID: 1777720125584083915 Allow for the DWC3 host driver to pass along XHCI property that defines how many interrupters to allocate. This is in relation for the number of event rings that can be potentially used by other processors within the system. Signed-off-by: Wesley Cheng --- drivers/usb/dwc3/core.c | 12 ++++++++++++ drivers/usb/dwc3/core.h | 2 ++ drivers/usb/dwc3/host.c | 5 ++++- 3 files changed, 18 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 9c6bf054f15d..fb9fec8b7058 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1385,6 +1385,7 @@ static void dwc3_get_properties(struct dwc3 *dwc) u8 tx_thr_num_pkt_prd = 0; u8 tx_max_burst_prd = 0; u8 tx_fifo_resize_max_num; + u16 num_hc_interrupters; const char *usb_psy_name; int ret; @@ -1407,6 +1408,9 @@ static void dwc3_get_properties(struct dwc3 *dwc) */ tx_fifo_resize_max_num = 6; + /* default to a single XHCI interrupter */ + num_hc_interrupters = 1; + dwc->maximum_speed = usb_get_maximum_speed(dev); dwc->max_ssp_rate = usb_get_maximum_ssp_rate(dev); dwc->dr_mode = usb_get_dr_mode(dev); @@ -1450,6 +1454,12 @@ static void dwc3_get_properties(struct dwc3 *dwc) &tx_thr_num_pkt_prd); device_property_read_u8(dev, "snps,tx-max-burst-prd", &tx_max_burst_prd); + device_property_read_u16(dev, "num-hc-interrupters", + &num_hc_interrupters); + /* DWC3 core allowed to have a max of 8 interrupters */ + if (num_hc_interrupters > 8) + num_hc_interrupters = 8; + dwc->do_fifo_resize = device_property_read_bool(dev, "tx-fifo-resize"); if (dwc->do_fifo_resize) @@ -1532,6 +1542,8 @@ static void dwc3_get_properties(struct dwc3 *dwc) dwc->imod_interval = 0; dwc->tx_fifo_resize_max_num = tx_fifo_resize_max_num; + + dwc->num_hc_interrupters = num_hc_interrupters; } /* check whether the core supports IMOD */ diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index a69ac67d89fe..5268b2628e39 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -1051,6 +1051,7 @@ struct dwc3_scratchpad_array { * @tx_max_burst_prd: max periodic ESS transmit burst size * @tx_fifo_resize_max_num: max number of fifos allocated during txfifo resize * @clear_stall_protocol: endpoint number that requires a delayed status phase + * @num_hc_interrupters: number of host controller interrupters * @hsphy_interface: "utmi" or "ulpi" * @connected: true when we're connected to a host, false otherwise * @softconnect: true when gadget connect is called, false when disconnect runs @@ -1279,6 +1280,7 @@ struct dwc3 { u8 tx_max_burst_prd; u8 tx_fifo_resize_max_num; u8 clear_stall_protocol; + u16 num_hc_interrupters; const char *hsphy_interface; diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c index 61f57fe5bb78..79ce359c342a 100644 --- a/drivers/usb/dwc3/host.c +++ b/drivers/usb/dwc3/host.c @@ -61,7 +61,7 @@ static int dwc3_host_get_irq(struct dwc3 *dwc) int dwc3_host_init(struct dwc3 *dwc) { - struct property_entry props[4]; + struct property_entry props[5]; struct platform_device *xhci; int ret, irq; int prop_idx = 0; @@ -107,6 +107,9 @@ int dwc3_host_init(struct dwc3 *dwc) if (DWC3_VER_IS_WITHIN(DWC3, ANY, 300A)) props[prop_idx++] = PROPERTY_ENTRY_BOOL("quirk-broken-port-ped"); + props[prop_idx++] = PROPERTY_ENTRY_U16("num-hc-interrupters", + dwc->num_hc_interrupters); + if (prop_idx) { ret = device_create_managed_software_node(&xhci->dev, props, NULL); if (ret) {