From patchwork Sat Feb 3 02:36:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 769909 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 C6068C48292 for ; Sat, 3 Feb 2024 02:41:07 +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 24A33E94; Sat, 3 Feb 2024 03:40:56 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 24A33E94 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1706928066; bh=iy+moeOwHnE7dgEZhZINQgamHIdgTcysBEEcZ7EgGr0=; 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=tP0+bKLsodO99stODBfZ7CpNd8zartvquoy4pqlppW6+KCkm6tGBDh5NWH1VmN3Aj yIn1JsbvPzH3OzrDDYGZ1DuAhCoO1enVFtnaHC9+M6znuX0pyyAWCaGmm2SjgMiemx hZF89jKwZcCCDZyxSl3FfM0UmAa29npdg12dxPfA= Received: by alsa1.perex.cz (Postfix, from userid 50401) id E8C8DF80768; Sat, 3 Feb 2024 03:38:26 +0100 (CET) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id 84056F80798; Sat, 3 Feb 2024 03:38:25 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 3801AF806D3; Sat, 3 Feb 2024 03:38:08 +0100 (CET) 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 5F5F2F800E3 for ; Sat, 3 Feb 2024 03:37:24 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 5F5F2F800E3 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=ZXIDsbtz Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 4132SgvL021013; Sat, 3 Feb 2024 02:37:22 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=SG5fCDVTmpRgSZycQx3K EfThnpA6x5R39MnhiUzJey0=; b=ZXIDsbtzGya6SAeZBXaSXzHhacaK+L97mub2 CyCI8epf4uJGKDK4LoGeEdaUOaOJ4RiRQQKYvl1Hje3NIWB45JMyEFX/EyleGCDp 0nldplaV5H1O3lGitHTbSnUSydaCxhvrUZ2kF7doCx+M6KLM5Wme+nG03UiXoAFo zZVy2SJ2oNhnX+y83BYybyHDc5X2a73Y0E9Y3/TSfcw/v0UyshX5M0sqzk143DOf uKMm6g0ixaUVSeMW0bmlIMg1FlFLvkgJKulOhFR6embld3w03f02YY6Cm7yei/PZ memlrf+py07TBL6IBmSOhLnYr5VcsRbJWMwUFriZgv93z44hkw== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3w1019sgth-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 03 Feb 2024 02:37:21 +0000 (GMT) Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 4132bLRF004222 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 3 Feb 2024 02:37:21 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 15.2.1118.40; Fri, 2 Feb 2024 18:37:20 -0800 From: Wesley Cheng To: , , , , , , , , , , , , , , CC: , , , , , , , Wesley Cheng Subject: [PATCH v13 13/53] usb: host: xhci: Export enable and disable interrupter APIs Date: Fri, 2 Feb 2024 18:36:05 -0800 Message-ID: <20240203023645.31105-14-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240203023645.31105-1-quic_wcheng@quicinc.com> References: <20240203023645.31105-1-quic_wcheng@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) 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-ORIG-GUID: fA4F37h-doZEaDIvTpZnFZw7QYTJ1nhC X-Proofpoint-GUID: fA4F37h-doZEaDIvTpZnFZw7QYTJ1nhC X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-02_16,2024-01-31_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 bulkscore=0 mlxscore=0 suspectscore=0 priorityscore=1501 spamscore=0 mlxlogscore=523 clxscore=1015 adultscore=0 phishscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2401310000 definitions=main-2402030015 Message-ID-Hash: 6ONKXXUOCSMOHY7ME4GPG624EEEWEPZU X-Message-ID-Hash: 6ONKXXUOCSMOHY7ME4GPG624EEEWEPZU 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: 3.3.9 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: Secondary interrupters can be OS owned, so expose the enable and disable interrupter APIs, so that the interrupts can be configured as requested depending on the client. Signed-off-by: Wesley Cheng --- drivers/usb/host/xhci.c | 6 ++++-- drivers/usb/host/xhci.h | 2 ++ 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 872ce8c1a5ba..834d8d160da4 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -320,7 +320,7 @@ static void xhci_zero_64b_regs(struct xhci_hcd *xhci) xhci_info(xhci, "Fault detected\n"); } -static int xhci_enable_interrupter(struct xhci_interrupter *ir) +int xhci_enable_interrupter(struct xhci_interrupter *ir) { u32 iman; @@ -332,8 +332,9 @@ static int xhci_enable_interrupter(struct xhci_interrupter *ir) return 0; } +EXPORT_SYMBOL_GPL(xhci_enable_interrupter); -static int xhci_disable_interrupter(struct xhci_interrupter *ir) +int xhci_disable_interrupter(struct xhci_interrupter *ir) { u32 iman; @@ -345,6 +346,7 @@ static int xhci_disable_interrupter(struct xhci_interrupter *ir) return 0; } +EXPORT_SYMBOL_GPL(xhci_disable_interrupter); /* interrupt moderation interval imod_interval in nanoseconds */ static int xhci_set_interrupter_moderation(struct xhci_interrupter *ir, diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index eaea676c85d2..7c2481838f79 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1871,6 +1871,8 @@ int xhci_alloc_tt_info(struct xhci_hcd *xhci, struct xhci_virt_device *virt_dev, struct usb_device *hdev, struct usb_tt *tt, gfp_t mem_flags); +int xhci_enable_interrupter(struct xhci_interrupter *ir); +int xhci_disable_interrupter(struct xhci_interrupter *ir); /* xHCI ring, segment, TRB, and TD functions */ dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg, union xhci_trb *trb);