From patchwork Thu Jun 9 07:42:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bmZlbmcgWXVuICjkupHmmKXls7Ap?= X-Patchwork-Id: 12874949 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 A79CCC433EF for ; Thu, 9 Jun 2022 07:47:20 +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:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=Kd6SAmd/+Qg8tNKkF04lYBKU0gnZVqZ88BYvzCbd1zs=; b=VTcelvIz9hFCrU LyFU6SMo0AVDORrMumJJBBJntBbPLsYpWvssRpVpXLK0tRtfeAcH5bJ3pRILc0G5ho/Nq+1SPDmhl sSbcc17Im387okixGzFxPcsVYp+4ebq7b6qwT4xGXXbuui/lp9ZeWZyIdWESh9ywKAUJ3dQ3rkXvc 90aINJq4HivypCbzfNWYeUv7pw9p6hnZL1495E6tXCO+G5E6XejPQ9gTg4dTJIm2HWPeN6o4g/U/6 9xGC2pU9pd3H6Fh9ca3SAI256CBUJgCOQvTDPfQ0R8sksF1kp3NEV+Cw4uW21PJVQTz2dvI6fKfhQ zRYX4CQiRghW0rwqYO3w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nzCrv-00HWjg-12; Thu, 09 Jun 2022 07:46:15 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nzCrs-00HWhy-11; Thu, 09 Jun 2022 07:46:13 +0000 X-UUID: 7832a89297e548afaef39e551c7a4a7c-20220609 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5,REQID:f9a496fa-deb1-4753-9c7f-e3402994ab9d,OB:0,LO B:0,IP:0,URL:5,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACTI ON:release,TS:5 X-CID-META: VersionHash:2a19b09,CLOUDID:6b19c47e-c8dc-403a-96e8-6237210dceee,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:1,File:nil ,QS:0,BEC:nil X-UUID: 7832a89297e548afaef39e551c7a4a7c-20220609 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 344417454; Thu, 09 Jun 2022 00:46:04 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 9 Jun 2022 00:42:36 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Thu, 9 Jun 2022 15:42:35 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 9 Jun 2022 15:42:34 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman CC: Chunfeng Yun , Matthias Brugger , , , , , Eddie Hung Subject: [PATCH 1/3] usb: mtu3: sync interrupt before unbind the udc Date: Thu, 9 Jun 2022 15:42:31 +0800 Message-ID: <20220609074233.15532-1-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220609_004612_115136_DF87BA80 X-CRM114-Status: UNSURE ( 7.70 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Register gadget irq to avoid the interrupt handler is occurred or scheduled during the unbind flow, may happen when do android function switch stress test. Signed-off-by: Chunfeng Yun Reviewed-by: AngeloGioacchino Del Regno --- drivers/usb/mtu3/mtu3_gadget.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/mtu3/mtu3_gadget.c b/drivers/usb/mtu3/mtu3_gadget.c index 9977600616d7..d57cea62fe6b 100644 --- a/drivers/usb/mtu3/mtu3_gadget.c +++ b/drivers/usb/mtu3/mtu3_gadget.c @@ -680,6 +680,7 @@ int mtu3_gadget_setup(struct mtu3 *mtu) mtu->g.speed = USB_SPEED_UNKNOWN; mtu->g.sg_supported = 0; mtu->g.name = MTU3_DRIVER_NAME; + mtu->g.irq = mtu->irq; mtu->is_active = 0; mtu->delayed_status = false;