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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 68BE9C77B72 for ; Fri, 14 Apr 2023 12:54:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230242AbjDNMyR (ORCPT ); Fri, 14 Apr 2023 08:54:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37518 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229989AbjDNMyP (ORCPT ); Fri, 14 Apr 2023 08:54:15 -0400 Received: from mail-pj1-x102b.google.com (mail-pj1-x102b.google.com [IPv6:2607:f8b0:4864:20::102b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DAE5E977F; Fri, 14 Apr 2023 05:54:10 -0700 (PDT) Received: by mail-pj1-x102b.google.com with SMTP id f2so9696133pjs.3; Fri, 14 Apr 2023 05:54:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681476850; x=1684068850; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=F1QwZkwEn6xrzyo5DQTCYy/azTv/nyRhxJzIWb9QpKo=; b=ZlQHDJaxfFOBDNnlsQ5DFBkAhD/kgVmgKr8JQtBLs11Yyil3+q84lTINMny83+k4Fc 92P9ctaA3ohsMwY+l5IH5Oq97mKvlB25/1KdawxX40WTSPLvkju8u7wDOxYy2YwZNCSS +YXa2KLFmukli2dtKCatUzk1Osk0wvnuD79psCpnrLXaZDE6xyuAxLMpA8cdh7q6hRfi MU8LKOiM5u3/QiQ37taeEfimP76+JnpfLR1MxbAdI8l7iq/zf7Z36tXU1JENRB2JQnel GbIK+r3frbmAbU7nC+ioZpwi4WXfZPe4pvMU7UG/GfnxHlUbO6PSGyR0id9V5ss3eiim VqgA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681476850; x=1684068850; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=F1QwZkwEn6xrzyo5DQTCYy/azTv/nyRhxJzIWb9QpKo=; b=SN5ZJQzEVCHbSWkZnVMJfxAe6gDwXchyfkCuw6FyREELif1w42iBWF0ZfBmh5UJYUN XXyXd+jHKn676i1/5R6r3Uu0uTpb3TBiV/1rFLNu9P5R2ntGi5yYDr0uiBfF02/GKCub 3sQvWq/zhcOwgIpb0ZmtXL+jPvEYc4MDZIHDdbavBEC8YD6hWLEQ3rgUUJ4RimTbYmde AeWubdAVycEEKQTQp98Y1Hv12O+/XAwB74dJsV++pr1KN9vPTcPh1g3FTt3pyXh+2W5x iQCX4bXBu39qi2OP9clwqOeYYj2uyG4Fej/KzK+T1/W+KrMZvyXXbFtBOD7/9U78XVsa vbdg== X-Gm-Message-State: AAQBX9dR2X0dGA5l7zGmyuC86H46HqBxGdQ84FYafJh9dG5Qmb9A1dLV VeZldi1q057gUrGHGmk16+I= X-Google-Smtp-Source: AKy350bVdsNcSykv+SI7jRhrzajw1AY99JX8jbvhF3NwG40IfJgwp3GQ/Rn1ZF4VmBuQ0CesUO/oeg== X-Received: by 2002:a05:6a20:b2a4:b0:ec:60a:d04d with SMTP id ei36-20020a056a20b2a400b000ec060ad04dmr5217378pzb.33.1681476850006; Fri, 14 Apr 2023 05:54:10 -0700 (PDT) Received: from [192.168.1.105] (ip72-194-116-95.oc.oc.cox.net. [72.194.116.95]) by smtp.gmail.com with ESMTPSA id e24-20020aa78c58000000b005895f9657ebsm3005541pfd.70.2023.04.14.05.54.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 14 Apr 2023 05:54:09 -0700 (PDT) Message-ID: Date: Fri, 14 Apr 2023 05:54:06 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [PATCH] serial: 8250: Add missing wakeup event reporting Content-Language: en-US To: Greg Kroah-Hartman , Florian Fainelli , Guennadi Liakhovetski Cc: linux-kernel@vger.kernel.org, opendmb@gmail.com, bcm-kernel-feedback-list@broadcom.com, Jiri Slaby , =?UTF-8?Q?Ilpo_J=c3=a4rvinen?= , Andy Shevchenko , =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , "Maciej W. Rozycki" , Eric Tremblay , Wander Lairson Costa , "open list:SERIAL DRIVERS" References: <20230413213957.1985949-1-f.fainelli@gmail.com> From: Florian Fainelli In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/14/2023 12:19 AM, Greg Kroah-Hartman wrote: > On Thu, Apr 13, 2023 at 02:39:54PM -0700, Florian Fainelli wrote: >> An 8250 UART configured as a wake-up source would not have reported >> itself through sysfs as being the source of wake-up, correct that. >> >> Signed-off-by: Florian Fainelli >> --- >> drivers/tty/serial/8250/8250_port.c | 4 ++++ >> 1 file changed, 4 insertions(+) > > What commit does this fix? Is it needed to go to stable kernel(s)? That would be b3b708fa2780cd2b5d8266a8f0c3a1cab364d4d2 ("wake up from a serial port"). I do not know of standard Linux distribution user-space relying on the wake-up counts from sysfs, though I certainly do care. The patch I submitted should backport fine all the way down to 4.14 where irqd_is_wakeup_set is available. Do you want me to submit a v2 with that Fixes tag? -- Florian