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 96781CCA480 for ; Fri, 15 Jul 2022 06:16:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230370AbiGOGQH (ORCPT ); Fri, 15 Jul 2022 02:16:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230367AbiGOGPp (ORCPT ); Fri, 15 Jul 2022 02:15:45 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5845F774B1; Thu, 14 Jul 2022 23:14:30 -0700 (PDT) From: John Ogness DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1657865668; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=SEFrGRzx2HRmzhJ7UPpw8gHa4O4qj4ywFqjMDBC7ZXg=; b=DUixPfAjTwHcZ91MSA7eJganvqbUgueXazFi+F1VBlI8C/krnKmID0y5WVAHljpGP8s8Nh kAMrhh1laSaViMucwqFzRZ3L1Hbue11PPQ89k7F6ceU6i02Ruc4uzrKldELGEhrBPXYpSh EhjWZ6dR0fnxrBHvgSZX3ipXAcl7IgFC83Voh/j5YEWSsVBUHpXm5rx/DyFQQUlBaDNCBH d27RZuI/IvZmM1m03YnTwd3tZeUJX9tZb92VpKmxSjtWl3GadEcTbTLlSUlIWUHyvlsnay qq+AzH7F2OtwEq3l+06dfOA5cSyN4Qv9Lin6utPnsb04GcVYde/suiTlb4zk5w== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1657865668; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=SEFrGRzx2HRmzhJ7UPpw8gHa4O4qj4ywFqjMDBC7ZXg=; b=VhykZswD1fCTN4vsmaBG/oZCrHvXluGEhdQmSywaFUKeqVY9BE4UurdnzBZ86f4x4sVqJo jEDCXaqELswn29AQ== To: todd.e.brandt@linux.intel.com, Sergey Senozhatsky , Petr Mladek , rafael.j.wysocki@intel.com, len.brown@intel.com Cc: Andy Shevchenko , Linux Kernel Mailing List , "open list:SERIAL DRIVERS" , Steven Rostedt Subject: Re: PNP0501 serial driver takes almost 2 seconds to suspend/resume (printk issue) In-Reply-To: <472f7fc2d44d781edb64f19f9970fe50eec79c1f.camel@linux.intel.com> References: <12fb98fe27e23e3f74a139e5e8eb83a97a343372.camel@linux.intel.com> <51b9e2cc3baf61a604bd239b736ec2d12f1f6695.camel@linux.intel.com> <87czegxccb.fsf@jogness.linutronix.de> <045ebee30af2b80aaeace1dab18ecd113e3f17c7.camel@linux.intel.com> <87tu7qvx1q.fsf@jogness.linutronix.de> <87o7xwbuoy.fsf@jogness.linutronix.de> <87ilo1wdac.fsf@jogness.linutronix.de> <7d79e9877d63cdb74144f38d8736959281b562cc.camel@linux.intel.com> <875yk0908j.fsf@jogness.linutronix.de> <472f7fc2d44d781edb64f19f9970fe50eec79c1f.camel@linux.intel.com> Date: Fri, 15 Jul 2022 08:20:27 +0206 Message-ID: <8735f2x5q4.fsf@jogness.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org On 2022-07-14, Todd Brandt wrote: > I ran with your fix on 30 systems. On the 7 machines where this > problem appears, the patch fixes it completely. On the 23 machines > where this problem does not appear, there are no issues or > regressions. > > Fix verified, thank you! I have posted [0] an official patch for 5.19-rc7. For the posted version, I added more information to the commit message and comments. Todd, thanks for reporting and testing! John [0] https://lore.kernel.org/lkml/20220715061042.373640-1-john.ogness@linutronix.de