From patchwork Fri Sep 6 02:39:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 13793152 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AF5B5CE7AA6 for ; Fri, 6 Sep 2024 02:32:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=Oxg9t1cq8E7XK0vR+yhe5xzHASGpMFLWtHWZBS+1RKo=; b=BH7GgMTQZOsQsNA66J2DSaoYRK xMCSr0jcSG3oL/JSyViyObjXcz1WpBP0pJ9yG28zKjFW9P1roCojNWjNk38VdVrCM0ddAvEJkvUDZ B+siW8DRRnpU3N15Fw3X+JugCp+Wnzq99IExf9saIEUsGHSewxt3CakHvZPvuhNAZUakjXctM97VB sLKW1MEWzfkpfez3OQZyFs5ZfXYNvLXvX2eltzPCLlb83NAsitVD5yXM1Y6EwUEqZq+3Le7pEBVje j1CbEQugdc/IQwPv+b8/49ioe3obvp7p0cskUG8+6csSV+LBA8h4p0mX6NPGRDgWI/v4/3Sd2y4Gt kQzXi2kQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1smOlx-0000000ANrk-1m1H; Fri, 06 Sep 2024 02:32:29 +0000 Received: from szxga01-in.huawei.com ([45.249.212.187]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1smOkx-0000000ANjb-2n4g for linux-arm-kernel@lists.infradead.org; Fri, 06 Sep 2024 02:31:29 +0000 Received: from mail.maildlp.com (unknown [172.19.163.48]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4X0Kvy66v6zyRY4; Fri, 6 Sep 2024 10:30:38 +0800 (CST) Received: from kwepemh500013.china.huawei.com (unknown [7.202.181.146]) by mail.maildlp.com (Postfix) with ESMTPS id B1FC6180064; Fri, 6 Sep 2024 10:31:18 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemh500013.china.huawei.com (7.202.181.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Fri, 6 Sep 2024 10:31:18 +0800 From: Jinjie Ruan To: , , , , , CC: Subject: [PATCH] spi: atmel-quadspi: Undo runtime PM changes at driver exit time Date: Fri, 6 Sep 2024 10:39:56 +0800 Message-ID: <20240906023956.1004440-1-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemh500013.china.huawei.com (7.202.181.146) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240905_193127_938725_706AADAC X-CRM114-Status: UNSURE ( 8.28 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org It's important to undo pm_runtime_use_autosuspend() with pm_runtime_dont_use_autosuspend() at driver exit time unless driver initially enabled pm_runtime with devm_pm_runtime_enable() (which handles it for you). Hence, call pm_runtime_dont_use_autosuspend() at driver exit time to fix it. Fixes: 4a2f83b7f780 ("spi: atmel-quadspi: add runtime pm support") Signed-off-by: Jinjie Ruan --- drivers/spi/atmel-quadspi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c index 5aaff3bee1b7..466c01b31123 100644 --- a/drivers/spi/atmel-quadspi.c +++ b/drivers/spi/atmel-quadspi.c @@ -726,6 +726,7 @@ static void atmel_qspi_remove(struct platform_device *pdev) clk_unprepare(aq->pclk); pm_runtime_disable(&pdev->dev); + pm_runtime_dont_use_autosuspend(&pdev->dev); pm_runtime_put_noidle(&pdev->dev); }