From patchwork Fri Sep 20 09:11:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 830105 Received: from szxga06-in.huawei.com (szxga06-in.huawei.com [45.249.212.32]) (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 EC73813A271; Fri, 20 Sep 2024 09:01:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.32 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726822921; cv=none; b=g+oeln4Pc4SFLTkdCd+j05nLkmhd7EQ/fmyemhPyGawVsqXPsPt3leUYat82rZoo8sruNoOTjt4J6NUAg+bx8jv7v6XgyN1XD7RFgIBhfejFwL08J/KZ97YiDbqTHE0qUTgy72eHmwvJCpLGq19nys3rgHD4jq7ER1APWToea+U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726822921; c=relaxed/simple; bh=+lEB/u9deBbDtkbi6H0U4vhLH9wn/oMD0/ZgHrtiYFs=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=sDR14ItGezj8k9+9CS3fLowEA+ZDYrEucczlro1AVh9T3JLtEnwlypZjZ8QKsz/YJ2XZYCbyxUqky3Rw55M1DwgKFuasDS+5rSYNs9whM63Tqg9gscJVxcyWeYc1x+5RenIn6g2pWwTutWRRNFAvNrsOlk9KnY82V9pxSaZjr6E= 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=45.249.212.32 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 [172.19.163.44]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4X95wt1j4czjM9B; Fri, 20 Sep 2024 17:01:50 +0800 (CST) Received: from kwepemh500013.china.huawei.com (unknown [7.202.181.146]) by mail.maildlp.com (Postfix) with ESMTPS id 9EF2C14010C; Fri, 20 Sep 2024 17:01:49 +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, 20 Sep 2024 17:01:49 +0800 From: Jinjie Ruan To: , , , , , , CC: Subject: [PATCH] =?utf-8?q?spi=3A_zynqmp-gqspi=3A_Undo_runtime_PM_changes_at?= =?utf-8?q?_driver_exit_time=E2=80=8B?= Date: Fri, 20 Sep 2024 17:11:35 +0800 Message-ID: <20240920091135.2741574-1-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 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's important to undo pm_runtime_use_autosuspend() with pm_runtime_dont_use_autosuspend() at driver exit time. So, call pm_runtime_dont_use_autosuspend() at driver exit time to fix it. Fixes: 9e3a000362ae ("spi: zynqmp: Add pm runtime support") Signed-off-by: Jinjie Ruan --- drivers/spi/spi-zynqmp-gqspi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c index fcd0ca996684..b9df39e06e7c 100644 --- a/drivers/spi/spi-zynqmp-gqspi.c +++ b/drivers/spi/spi-zynqmp-gqspi.c @@ -1351,6 +1351,7 @@ static int zynqmp_qspi_probe(struct platform_device *pdev) clk_dis_all: pm_runtime_disable(&pdev->dev); + pm_runtime_dont_use_autosuspend(&pdev->dev); pm_runtime_put_noidle(&pdev->dev); pm_runtime_set_suspended(&pdev->dev); clk_disable_unprepare(xqspi->refclk); @@ -1379,6 +1380,7 @@ static void zynqmp_qspi_remove(struct platform_device *pdev) zynqmp_gqspi_write(xqspi, GQSPI_EN_OFST, 0x0); pm_runtime_disable(&pdev->dev); + pm_runtime_dont_use_autosuspend(&pdev->dev); pm_runtime_put_noidle(&pdev->dev); pm_runtime_set_suspended(&pdev->dev); clk_disable_unprepare(xqspi->refclk);