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 66326C4332F for ; Tue, 31 Oct 2023 10:52:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343993AbjJaKwy (ORCPT ); Tue, 31 Oct 2023 06:52:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54028 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344000AbjJaKww (ORCPT ); Tue, 31 Oct 2023 06:52:52 -0400 Received: from muru.com (muru.com [72.249.23.125]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 0B245ED for ; Tue, 31 Oct 2023 03:52:50 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 2BC0B809C; Tue, 31 Oct 2023 10:52:49 +0000 (UTC) Date: Tue, 31 Oct 2023 12:52:47 +0200 From: Tony Lindgren To: Thomas Richard Cc: Kevin Hilman , gregkh@linuxfoundation.org, jirislaby@kernel.org, linux-serial@vger.kernel.org, gregory.clement@bootlin.com, u-kumar1@ti.com, d-gole@ti.com, thomas.petazzoni@bootlin.com Subject: Re: [PATCH] serial: 8250_omap: Set the console genpd always on if no console suspend Message-ID: <20231031105247.GC57044@atomide.com> References: <20231017130540.1149721-1-thomas.richard@bootlin.com> <7hfs213u0r.fsf@baylibre.com> <20231024045109.GT27774@atomide.com> <7hjzrbj29t.fsf@baylibre.com> <20231025064131.GZ27774@atomide.com> <75b6cda8-c809-409b-8be9-ad8a4db63c14@bootlin.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <75b6cda8-c809-409b-8be9-ad8a4db63c14@bootlin.com> Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org * Thomas Richard [231031 10:15]: > Please find below the logs of the test you asked me. OK great thanks! > I added the call of pm_runtime_get_usage_count at the end of the suspend > function. > The console is attached on 2800000.serial, it has usage_count=4. > Other serial has usage_count=3. So as suspected, it seems the power domain gets force suspended somewhere despite the usage_count. Regards, Tony