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=-7.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 0CB4EC4361A for ; Sat, 5 Dec 2020 17:40:34 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 AA38922AAF for ; Sat, 5 Dec 2020 17:40:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AA38922AAF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmx.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=CD3RBrBb/3YHMb22mXD+FhsjP3GvWtiziPTSz+p/CGw=; b=A8KvQBUgPLnTbZ5GWEG47vDCQ 9iqBDznIMKfObrJOnsY3Hp2jI1abnct8XyWmYWJSFiqvWSyzSoPiyBui8/DeNNmHuize2gVWS2zhN 6rpAJtZG+abhnJpr6dvFkbACoIEBGnQ5pNfuD4xw5WHbaBulitKGfENKAYPtSCV60RfVfT2MYNAGZ 8OgynE6CaX7SZJB0d0KF7m/4olNXHUmZqKaxmUptCsWvzFWOkIJbrZwzRKtIZpicpcKiQridtkIv+ ok0vGma+pJLifl0GBBJzobJjtx79i1/c56FsWEOd0byLoB0X1ISzTFeJvq2oGZ8XZimzus4ylFij/ ghNCQTRHg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1klbXl-00077g-MV; Sat, 05 Dec 2020 17:40:25 +0000 Received: from dd10532.kasserver.com ([85.13.133.80]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1klbXi-00077A-23 for linux-amlogic@lists.infradead.org; Sat, 05 Dec 2020 17:40:24 +0000 Received: from odsus.home.arpa (dslb-002-205-253-229.002.205.pools.vodafone-ip.de [2.205.253.229]) by dd10532.kasserver.com (Postfix) with ESMTPSA id 0AE171F416D3; Sat, 5 Dec 2020 18:40:18 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by odsus.home.arpa (Postfix) with ESMTP id 2A57D3D671; Sat, 5 Dec 2020 18:40:17 +0100 (CET) X-Virus-Scanned: amavisd-new at home.arpa Received: from odsus.home.arpa ([127.0.0.1]) by localhost (odsus.home.arpa [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id sxNJT6mAEhb3; Sat, 5 Dec 2020 18:40:14 +0100 (CET) Received: from [192.168.20.240] (r64.home.arpa [192.168.20.240]) by odsus.home.arpa (Postfix) with ESMTP id 6CF213D66F; Sat, 5 Dec 2020 18:40:14 +0100 (CET) Subject: Re: [BUG]odroid-c2 does not hotplug usb-devices To: Martin Blumenstingl References: From: Otto Meier Message-ID: <8afb2adb-4581-a847-e7e0-db1e915e9247@gmx.net> Date: Sat, 5 Dec 2020 18:40:14 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.5.0 MIME-Version: 1.0 In-Reply-To: Content-Language: de-DE X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201205_124022_230690_78092DCC X-CRM114-Status: GOOD ( 17.50 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-amlogic@lists.infradead.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Hi Martin, i have tried your second notice. but it does'nt solve the issue. if at leased on device is pluged in new devices are detected. if all devices have been removed, no new device will be detected anymore. Best regards Otto Am 05.12.20 um 12:54 schrieb Martin Blumenstingl: > Hi Otto, > > On Sat, Nov 28, 2020 at 6:10 PM Otto Meier wrote: >> Hello, >> >> I run an Odroid-c2 with newest kernel 5.10.0-rc5 >> usb recognises usb devices only when they are plugged in before boot. >> after boot plugged in devices get not recognized. >> >> Any idea where to search for a fix? > there are two answers to this: > - this was fixed two years ago with upstream commit cc10ce0c51b13d [0] > - I think it broke again. off-list I received a hint from a user that > setting kernel cmdline parameter usbcore.autosuspend=-1 works around > this issue. can you please try this? if it fixes USB hotplug for you > then this needs to be reported to the USB maintainers > > > Best regards > Martin > > > [0] https://github.com/torvalds/linux/commit/cc10ce0c51b13d1566d0ec1dcb472fb86330b391 > _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic