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From:   John Ogness <john.ogness@linutronix.de>
To:     todd.e.brandt@linux.intel.com,
        Sergey Senozhatsky <senozhatsky@chromium.org>,
        Petr Mladek <pmladek@suse.com>, rafael.j.wysocki@intel.com,
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        "open list:SERIAL DRIVERS" <linux-serial@vger.kernel.org>,
        Steven Rostedt <rostedt@goodmis.org>
Subject: Re: PNP0501 serial driver takes almost 2 seconds to suspend/resume
 (printk issue)
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Date:   Wed, 13 Jul 2022 23:28:20 +0206
Message-ID: <875yk0908j.fsf@jogness.linutronix.de>
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On 2022-07-13, Todd Brandt <todd.e.brandt@linux.intel.com> wrote:
> URGENT: Removing the commit FIXES the issue.
>
> I just ran a 5.19.0-rc6 kernel with the offending commit removed and
> it fixed the problem completely on all 3 machines.

I believe to have found the issue. A patch was posted to bugzilla:

https://bugzilla.kernel.org/attachment.cgi?id=301413

Please test this. Thanks.

John Ogness