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Wed, 28 Feb 2024 01:36:31 +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 41S1aUFC016664 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 28 Feb 2024 01:36:30 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; Tue, 27 Feb 2024 17:36:30 -0800 From: Wesley Cheng To: , , , , , , , , , , , , , , CC: , , , , , , , Wesley Cheng Subject: [PATCH v18 04/41] xhci: export XHCI IMOD setting helper for interrupters Date: Tue, 27 Feb 2024 17:35:42 -0800 Message-ID: <20240228013619.29758-5-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240228013619.29758-1-quic_wcheng@quicinc.com> References: <20240228013619.29758-1-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-GUID: x_XEXN2ZAG5eXjbt_eSs5xD3p-OgDwON X-Proofpoint-ORIG-GUID: x_XEXN2ZAG5eXjbt_eSs5xD3p-OgDwON 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=2024-02-27_11,2024-02-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 impostorscore=0 lowpriorityscore=0 mlxscore=0 mlxlogscore=759 malwarescore=0 suspectscore=0 bulkscore=0 spamscore=0 adultscore=0 phishscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2402120000 definitions=main-2402280011 Message-ID-Hash: OXMDRPTHQD2JBPO5X663BDUSCXC2DT6A X-Message-ID-Hash: OXMDRPTHQD2JBPO5X663BDUSCXC2DT6A 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: Utilize the xhci_set_interrupter_moderation() API to set the IMOD value for interrupters, so that secondary interrupts can also configure this parameter when clients request for it. Signed-off-by: Wesley Cheng --- drivers/usb/host/xhci.c | 3 ++- drivers/usb/host/xhci.h | 2 ++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index dfc59338afb6..5fa08c3db614 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -349,7 +349,7 @@ int xhci_disable_interrupter(struct xhci_interrupter *ir) EXPORT_SYMBOL_GPL(xhci_disable_interrupter); /* interrupt moderation interval imod_interval in nanoseconds */ -static int xhci_set_interrupter_moderation(struct xhci_interrupter *ir, +int xhci_set_interrupter_moderation(struct xhci_interrupter *ir, u32 imod_interval) { u32 imod; @@ -364,6 +364,7 @@ static int xhci_set_interrupter_moderation(struct xhci_interrupter *ir, return 0; } +EXPORT_SYMBOL_GPL(xhci_set_interrupter_moderation); static void compliance_mode_recovery(struct timer_list *t) { diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 9039f234cf52..77042df42b46 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1875,6 +1875,8 @@ int xhci_alloc_tt_info(struct xhci_hcd *xhci, struct usb_tt *tt, gfp_t mem_flags); int xhci_enable_interrupter(struct xhci_interrupter *ir); int xhci_disable_interrupter(struct xhci_interrupter *ir); +int xhci_set_interrupter_moderation(struct xhci_interrupter *ir, + u32 imod_interval); /* xHCI ring, segment, TRB, and TD functions */ dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg, union xhci_trb *trb);