From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E557C433ED for ; Tue, 11 May 2021 13:09:00 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DB2ED6191A for ; Tue, 11 May 2021 13:08:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DB2ED6191A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=o99nHswRisp1au95ufbNhLDGbnGUfyHYt503rD8xG24=; b=D+nBBHOk6/6qiWkyQjMsvfSb5 Op1batnK/1Fp9eAssCBkRzElU1JNgwQhJ/uZPMIO1AUXcxauT0f1vxGr1jnNS2lexlSuIQGrHtjmF j2o9oZKCGg5/oYlIJp1n5Unfj9uSvH0oxMXrTDjDCVmm5DlwBPXc7IE5xWblhesr3xLFVdNzvpA4W huK/E2VbXPiwsmVDPE86VOC6tm1+lX3on5BC489SKLBZFfRZIUgpqLDc6is/3NU5bSNaFSO6XF7xE e70a9hEH2l0MTT2jukrKw3FruuTMz3CeyOtF41JUZKtcziHiKlu7h5OSvjLx3+xCnVfU3QfOzS0k5 lnqrnWWcQ==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lgS6n-00HZrd-GS; Tue, 11 May 2021 13:07:34 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lgQY7-00H7zC-OK; Tue, 11 May 2021 11:27:39 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=E6/dGrrm9KjsRiyU1ioXFaNw8c7SKw33e9lCk656shc=; b=S1KrlEI0SXNf+4oTeQq93z9YuZ i8H/kUdgw1f+NmHG0l8WxMqpYdoGLIh7Fc6vP8ACZ+nmRmZ41Lr1LZ4BCjB+m9AwKTf9tpmJ7P3eR 4mOBSVN61fx/ecTC1vkBGPsBj01dxJJoJRolJncc06dGlEm67DhZp1M4IJVG6ByQMkAzZ1ZL5Pfga yKnTr5EKQ85r/r8+Jdff9MyvU0iJFryJpK1CSY/pZgeNDjO5SslFfD49rjt8xq0kyj8pCkMaMX8J6 k9JR3xbzSdPK1RBoXbEmQ1sAZPySTRnsyQreW8/M0F/vfuoia7UmiHVZtudQYfDLok8YqsTj8nqae EO3rdPIw==; Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lgQY5-009WFc-3p; Tue, 11 May 2021 11:27:38 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 09AC46186A; Tue, 11 May 2021 11:27:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620732456; bh=z4Xwx6G0EVHQsG2p959XEORObr8SXf7pV9nctlXNA38=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Q/2hLnrRdI7yIpYKOlx6oYNX3+CUrXGqEwduRCO/0gpW+/1zXlDfWDQd4hzyuPwlF r0WLn9vJ8NiLkfS0W2s66gUqKvXxqtMnCA1NJXWI0oKoVP0BPusXiggYOrCMlyyY49 M4ICG5kPKUA+bGELcVrFtq8yAIg5Cy1HkwpX7H2E= Date: Tue, 11 May 2021 13:27:34 +0200 From: Greg Kroah-Hartman To: Chunfeng Yun Cc: Alan Stern , Matthias Brugger , Thinh Nguyen , "Gustavo A . R . Silva" , Bixuan Cui , Eugeniu Rosca , Oliver Neukum , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Tianping Fang , Eddie Hung , Ikjoon Jang Subject: Re: [PATCH] usb: core: hub: fix race condition about TRSMRCY of resume Message-ID: References: <20210511101522.34193-1-chunfeng.yun@mediatek.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210511101522.34193-1-chunfeng.yun@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210511_042737_215575_2D9A06BB X-CRM114-Status: GOOD ( 10.78 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, May 11, 2021 at 06:15:22PM +0800, Chunfeng Yun wrote: > This may happen if the port becomes resume status exactly > when usb_port_resume() gets port status, it still need provide > a TRSMCRY time before access the device. > > Reported-by: Tianping Fang > Signed-off-by: Chunfeng Yun > --- > drivers/usb/core/hub.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) Does this need to go to any older/stable kernels? If so, how far back? thanks, greg k-h _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel