From patchwork Mon Oct 30 05:23:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 13440003 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 244B8C4332F for ; Mon, 30 Oct 2023 05:24:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229517AbjJ3FYC (ORCPT ); Mon, 30 Oct 2023 01:24:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46618 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229514AbjJ3FYB (ORCPT ); Mon, 30 Oct 2023 01:24:01 -0400 Received: from muru.com (muru.com [72.249.23.125]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 5B08890; Sun, 29 Oct 2023 22:23:58 -0700 (PDT) Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 0746380EE; Mon, 30 Oct 2023 05:23:55 +0000 (UTC) From: Tony Lindgren To: Peter Ujfalusi , Jarkko Nikula , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai Cc: Andreas Kemnade , alsa-devel@alsa-project.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] ASoC: ti: omap-mcbsp: Fix runtime PM underflow warnings Date: Mon, 30 Oct 2023 07:23:38 +0200 Message-ID: <20231030052340.13415-1-tony@atomide.com> X-Mailer: git-send-email 2.42.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org We need to check for an active device as otherwise we get warnings for some mcbsp instances for "Runtime PM usage count underflow!". Reported-by: Andreas Kemnade Signed-off-by: Tony Lindgren --- sound/soc/ti/omap-mcbsp.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/sound/soc/ti/omap-mcbsp.c b/sound/soc/ti/omap-mcbsp.c --- a/sound/soc/ti/omap-mcbsp.c +++ b/sound/soc/ti/omap-mcbsp.c @@ -74,14 +74,16 @@ static int omap2_mcbsp_set_clks_src(struct omap_mcbsp *mcbsp, u8 fck_src_id) return 0; } - pm_runtime_put_sync(mcbsp->dev); + if (mcbsp->active) + pm_runtime_put_sync(mcbsp->dev); r = clk_set_parent(mcbsp->fclk, fck_src); if (r) dev_err(mcbsp->dev, "CLKS: could not clk_set_parent() to %s\n", src); - pm_runtime_get_sync(mcbsp->dev); + if (mcbsp->active) + pm_runtime_get_sync(mcbsp->dev); clk_put(fck_src);