From patchwork Mon Sep 23 04:00:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 830707 Received: from szxga04-in.huawei.com (szxga04-in.huawei.com [45.249.212.190]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 77AEE8F5B; Mon, 23 Sep 2024 03:50:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.190 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727063423; cv=none; b=Gcz3HTI+dCGr9Pw6/vsk/UdWgif36VLfmZHist8ykAX+ICATXA9FNFOitd5Rs7B5fo+jr8cZfJE6QO5huWoO3Xo2H02ZSxyL2Qsv97l/ih8iT1Xr4HUQBgig42/vKRuCam00IfpZZOWjwIV6c937xyaADAc7RlH6cJdjyq1Cuek= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727063423; c=relaxed/simple; bh=L6C7gT8GdEHG5UHoE1Lfezt5gx49O+1JFm+nvbU/48o=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=aFE5PJ41Dalbkt0kk3H5fj3YKvG61NjdGI9O4IdKcmNAdb74QXKgobozy1ogm7Kw4GctX1IBSvjBna/ovOV4rNdrWFwleyxcO0ffYft0eF0NbDUyoAO4I6Wp46d69YOjVssdSJj9wEVlODFp7l6djo+10MHVZyjpvK1De1wms/E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.190 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.88.214]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4XBpsh2jKkz20pHZ; Mon, 23 Sep 2024 11:50:00 +0800 (CST) Received: from kwepemh500013.china.huawei.com (unknown [7.202.181.146]) by mail.maildlp.com (Postfix) with ESMTPS id 2B01B1A016C; Mon, 23 Sep 2024 11:50:19 +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; Mon, 23 Sep 2024 11:50:18 +0800 From: Jinjie Ruan To: , , , , , , , , , , CC: Subject: [PATCH 2/3] spi: spi-cadence: Fix pm_runtime_set_suspended() with runtime pm enabled Date: Mon, 23 Sep 2024 12:00:14 +0800 Message-ID: <20240923040015.3009329-3-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240923040015.3009329-1-ruanjinjie@huawei.com> References: <20240923040015.3009329-1-ruanjinjie@huawei.com> Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To kwepemh500013.china.huawei.com (7.202.181.146) It is not valid to call pm_runtime_set_suspended() for devices with runtime PM enabled because it returns -EAGAIN if it is enabled already and working. So, call pm_runtime_disable() before to fix it. Fixes: d36ccd9f7ea4 ("spi: cadence: Runtime pm adaptation") Signed-off-by: Jinjie Ruan --- drivers/spi/spi-cadence.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c index e07e081de5ea..087e748d9cc9 100644 --- a/drivers/spi/spi-cadence.c +++ b/drivers/spi/spi-cadence.c @@ -678,8 +678,8 @@ static int cdns_spi_probe(struct platform_device *pdev) clk_dis_all: if (!spi_controller_is_target(ctlr)) { - pm_runtime_set_suspended(&pdev->dev); pm_runtime_disable(&pdev->dev); + pm_runtime_set_suspended(&pdev->dev); } remove_ctlr: spi_controller_put(ctlr); @@ -701,8 +701,8 @@ static void cdns_spi_remove(struct platform_device *pdev) cdns_spi_write(xspi, CDNS_SPI_ER, CDNS_SPI_ER_DISABLE); - pm_runtime_set_suspended(&pdev->dev); pm_runtime_disable(&pdev->dev); + pm_runtime_set_suspended(&pdev->dev); spi_unregister_controller(ctlr); }