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 79677C4708B for ; Tue, 5 Apr 2022 12:26:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1380992AbiDEMYf (ORCPT ); Tue, 5 Apr 2022 08:24:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56632 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345280AbiDEKk6 (ORCPT ); Tue, 5 Apr 2022 06:40:58 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5EBBAD93; Tue, 5 Apr 2022 03:26:25 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 0DBDBB81B18; Tue, 5 Apr 2022 10:26:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 52090C385A0; Tue, 5 Apr 2022 10:26:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649154382; bh=/Y0R8KyqaUA4NN0p4BSOO0086I2pd6URMR88meKY2Zs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uTnR/Y/K6KJmAEn9XcDJ7pfZR28fh1T54NjD8B8T64DngxVC07w5r4vuNYVlfpHmb qLZf8othqMVJtSNac/PsodgDnqP0WY/R9g1gbrABGORCpa2wt/7mVviwOZDc7nZh3l QpHnbTNdFSVXyo6M6ZD1JE1CSM2mOKsZIewqworE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jacky Bai , Peng Fan , Robin Gong , Jassi Brar Subject: [PATCH 5.10 557/599] mailbox: imx: fix wakeup failure from freeze mode Date: Tue, 5 Apr 2022 09:34:11 +0200 Message-Id: <20220405070315.416940927@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220405070258.802373272@linuxfoundation.org> References: <20220405070258.802373272@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Robin Gong commit 892cb524ae8a27bf5e42f711318371acd9a9f74a upstream. Since IRQF_NO_SUSPEND used for imx mailbox driver, that means this irq can't be used for wakeup source so that can't wakeup from freeze mode. Add pm_system_wakeup() to wakeup from freeze mode. Fixes: b7b2796b9b31e("mailbox: imx: ONLY IPC MU needs IRQF_NO_SUSPEND flag") Reviewed-by: Jacky Bai Reviewed-by: Peng Fan Signed-off-by: Robin Gong Signed-off-by: Peng Fan Signed-off-by: Jassi Brar Signed-off-by: Greg Kroah-Hartman --- drivers/mailbox/imx-mailbox.c | 9 +++++++++ 1 file changed, 9 insertions(+) --- a/drivers/mailbox/imx-mailbox.c +++ b/drivers/mailbox/imx-mailbox.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #define IMX_MU_xSR_GIPn(x) BIT(28 + (3 - (x))) @@ -66,6 +67,7 @@ struct imx_mu_priv { const struct imx_mu_dcfg *dcfg; struct clk *clk; int irq; + bool suspend; u32 xcr; @@ -277,6 +279,9 @@ static irqreturn_t imx_mu_isr(int irq, v return IRQ_NONE; } + if (priv->suspend) + pm_system_wakeup(); + return IRQ_HANDLED; } @@ -326,6 +331,8 @@ static int imx_mu_startup(struct mbox_ch break; } + priv->suspend = true; + return 0; } @@ -543,6 +550,8 @@ static int imx_mu_probe(struct platform_ clk_disable_unprepare(priv->clk); + priv->suspend = false; + return 0; disable_runtime_pm: