From patchwork Tue Jul 25 02:33:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 13325616 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (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 531B5C0015E for ; Tue, 25 Jul 2023 02:39:15 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id B46C7E81; Tue, 25 Jul 2023 04:38:23 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz B46C7E81 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1690252753; bh=+9hTeOADNfSohPt81UeeXFaLyEUCuhClD7U6js5t/vM=; h=From:To:CC:Subject:Date:In-Reply-To:References:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=qFGlDrBZ9gpyCgRvBt7UxkiShAry9VTtG36S/2NaQwfwgsZdVRsad871gvbS4ez7x 6ZVqRRrH/9bp0EfiUG/kpaKAk2OJAJRUoPClTWE7IRFK/HSnG4JXcidKRG0B0ooeFE ZzOJyctNGH5fhpzgk/B7VoAzcWYQC3t4vjVy43O4= Received: by alsa1.perex.cz (Postfix, from userid 50401) id A9A9EF80607; Tue, 25 Jul 2023 04:35:24 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id EF68EF80579; Tue, 25 Jul 2023 04:35:23 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 02FEDF805FA; Tue, 25 Jul 2023 04:35:18 +0200 (CEST) Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id DBC31F80549 for ; Tue, 25 Jul 2023 04:34:43 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz DBC31F80549 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key, unprotected) header.d=quicinc.com header.i=@quicinc.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=Vz2QpOE5 Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36P29ieL004483; Tue, 25 Jul 2023 02:34:40 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=hNMyBmIu9r/HwzkzpGQFW5q035L4p8kfphT92WFsXks=; b=Vz2QpOE5suUjDqIIqiVHIJ6hCe8FNagudfCabm/UxT92wo8LIKUoKitDMzt5lVs+lxzf SIQoBNd9IQKuwe+1etIlJg55DdHK0k9vMJKTlX55q4VzdG8Zj4atNFI3Tn2SDZQcF294 9Tgm6r+TdUzNpVwzJdtMCA/I5cg90CKT18gHxV6QEqatb8KKLGpMpth1r6KwUpeMF6rI DqAZm5Tp1sk/fbZbvQy8xZsv0yJI30fblhyGHuSBqPAG1dZ6OxbJD2w3iqNtELdl4+hL 07wzc6jC9f2LB7MQAn1aEVZbgN85dsXpjr/f50h17Ky55Z4cpZ4/yw2pqRAWOdFetI+b 6Q== Received: from nasanppmta02.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3s1r4v9sw0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 25 Jul 2023 02:34:39 +0000 Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 36P2YXeJ012417 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 25 Jul 2023 02:34:33 GMT Received: from hu-wcheng-lv.qualcomm.com (10.49.16.6) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Mon, 24 Jul 2023 19:34:32 -0700 From: Wesley Cheng To: , , , , , , , , , , , , , , , CC: , , , , , , , , , , , Wesley Cheng Subject: [PATCH v4 05/32] usb: host: xhci-mem: Allow for interrupter clients to choose specific index Date: Mon, 24 Jul 2023 19:33:49 -0700 Message-ID: <20230725023416.11205-6-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230725023416.11205-1-quic_wcheng@quicinc.com> References: <20230725023416.11205-1-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 nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 8NtBFMTlu9DJf5AFkOujwuY3Lw0IY9tG X-Proofpoint-ORIG-GUID: 8NtBFMTlu9DJf5AFkOujwuY3Lw0IY9tG X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-24_18,2023-07-24_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 clxscore=1015 malwarescore=0 mlxlogscore=593 lowpriorityscore=0 impostorscore=0 bulkscore=0 mlxscore=0 phishscore=0 spamscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307250021 Message-ID-Hash: CHPNR6AQNKF3COF4YMFHELKT7ZBSDG55 X-Message-ID-Hash: CHPNR6AQNKF3COF4YMFHELKT7ZBSDG55 X-MailFrom: quic_wcheng@quicinc.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Some clients may operate only on a specific XHCI interrupter instance. Allow for the associated class driver to request for the interrupter that it requires. Signed-off-by: Wesley Cheng --- drivers/usb/host/xhci-mem.c | 12 ++++++------ include/linux/usb/xhci-intr.h | 2 +- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 6b01d56c176f..310137df06eb 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -2396,7 +2396,7 @@ xhci_add_interrupter(struct xhci_hcd *xhci, struct xhci_interrupter *ir, } struct xhci_interrupter * -xhci_create_secondary_interrupter(struct usb_hcd *hcd) +xhci_create_secondary_interrupter(struct usb_hcd *hcd, int intr_num) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); struct xhci_interrupter *ir; @@ -2411,15 +2411,15 @@ xhci_create_secondary_interrupter(struct usb_hcd *hcd) return NULL; spin_lock_irq(&xhci->lock); - /* Find available secondary interrupter, interrupter 0 is reserverd for primary */ for (i = 1; i < xhci->max_interrupters; i++) { - if (xhci->interrupters[i] == NULL) { - err = xhci_add_interrupter(xhci, ir, i); - break; + if ((intr_num > 0 && i == intr_num) || intr_num <= 0) { + if (xhci->interrupters[i] == NULL) { + err = xhci_add_interrupter(xhci, ir, i); + break; + } } } - spin_unlock_irq(&xhci->lock); if (!err) { diff --git a/include/linux/usb/xhci-intr.h b/include/linux/usb/xhci-intr.h index e0091ee2c73a..738b0f0481a6 100644 --- a/include/linux/usb/xhci-intr.h +++ b/include/linux/usb/xhci-intr.h @@ -81,6 +81,6 @@ struct xhci_interrupter { }; struct xhci_interrupter * -xhci_create_secondary_interrupter(struct usb_hcd *hcd); +xhci_create_secondary_interrupter(struct usb_hcd *hcd, int intr_num); void xhci_remove_secondary_interrupter(struct usb_hcd *hcd, struct xhci_interrupter *ir); #endif