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: 13809262 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 51FDBCF9C5B for ; Mon, 23 Sep 2024 03:52:54 +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:References:In-Reply-To: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:List-Owner; bh=YYKO7SxgiVCBzmCBQdy5GqPe9je6ATP5wS47yIKPPRw=; b=S87TBL09eeWT1NGNpCvi62lXVj LFrGZ0vGJVGPlu6b77e+gu7xh+Nnn1qx4nqIbJjsSV1XqPqYdErahGUW+ZG+qFz2kF3Lo4iObfOzN snAtz8ZgJfKxsnc+L3d2msogBpXSl92f9ZNlx0V5JhV6W3MmGvREwT8fR+PRssO1lUVIuxBLtGiYf HSrv/3Bkw72BzcYr8vghC2mOFPzGFBHwircddqHiB+ZU/3dUGyiQRWVLB8JWdjPGsDlcIhqPDKEu0 JnVEslka2jbweGS3Hn4X87zm6RVeTK/bSmwP1DDOHQ6Er3HmaUSuE7OHBrJbEBVn/0+glTqfj0PpQ d/+PZhyw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1ssa7v-0000000GFbW-3dFX; Mon, 23 Sep 2024 03:52:43 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1ssa5g-0000000GFFJ-3I0v for linux-arm-kernel@lists.infradead.org; Mon, 23 Sep 2024 03:50:27 +0000 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> MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) 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-20240922_205025_181699_0ABEF2F1 X-CRM114-Status: GOOD ( 11.23 ) 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 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); }