From patchwork Thu Jan 2 22:06:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 234608 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F6BDC3276E for ; Thu, 2 Jan 2020 22:46:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 09E8220866 for ; Thu, 2 Jan 2020 22:46:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578005190; bh=MwWttBtNzN/i0lLMDO007EKBFmGopDV8Av0V68y56dM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=VbUUDuKA1GdKAavIqP1TTBN0psT6FyytYuzELcJqtET9OrHlw7aBT7sHhCvKx8siB LhRlZmo2ChLcOr2TlBrCoEg1CxSfxsnqlcephGCFlXBmRgNxxSLUvYbu4BW2Q1JGuU 4S8Px6cqBVF9T6Kyp2bkwunyJDGGmbmvq0je2v74= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730195AbgABWq3 (ORCPT ); Thu, 2 Jan 2020 17:46:29 -0500 Received: from mail.kernel.org ([198.145.29.99]:35060 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729844AbgABWaq (ORCPT ); Thu, 2 Jan 2020 17:30:46 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A564822314; Thu, 2 Jan 2020 22:30:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578004246; bh=MwWttBtNzN/i0lLMDO007EKBFmGopDV8Av0V68y56dM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rHHZ8dBd5lf5m8EPkHiwDTpzg+2ZmCRtQ2LYW7VEvqWq/cmdok0iFYgvVsjxHEd+s 1qJKolnlY/xsqmCYzz02qnAPol1waPtAhhFtLwyhZVOnETl/hGzLHObFBRpJIp8Efu mQXm88vvzZhqZHn/RlDwKXoEB0+X4YGfPgOFEJO4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chuhong Yuan , Mark Brown , Sasha Levin Subject: [PATCH 4.9 073/171] spi: tegra20-slink: add missed clk_unprepare Date: Thu, 2 Jan 2020 23:06:44 +0100 Message-Id: <20200102220557.061719056@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200102220546.960200039@linuxfoundation.org> References: <20200102220546.960200039@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Chuhong Yuan [ Upstream commit 04358e40ba96d687c0811c21d9dede73f5244a98 ] The driver misses calling clk_unprepare in probe failure and remove. Add the calls to fix it. Signed-off-by: Chuhong Yuan Link: https://lore.kernel.org/r/20191115083122.12278-1-hslester96@gmail.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi-tegra20-slink.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c index af2880d0c112..cf2a329fd895 100644 --- a/drivers/spi/spi-tegra20-slink.c +++ b/drivers/spi/spi-tegra20-slink.c @@ -1078,7 +1078,7 @@ static int tegra_slink_probe(struct platform_device *pdev) ret = clk_enable(tspi->clk); if (ret < 0) { dev_err(&pdev->dev, "Clock enable failed %d\n", ret); - goto exit_free_master; + goto exit_clk_unprepare; } spi_irq = platform_get_irq(pdev, 0); @@ -1151,6 +1151,8 @@ exit_free_irq: free_irq(spi_irq, tspi); exit_clk_disable: clk_disable(tspi->clk); +exit_clk_unprepare: + clk_unprepare(tspi->clk); exit_free_master: spi_master_put(master); return ret; @@ -1164,6 +1166,7 @@ static int tegra_slink_remove(struct platform_device *pdev) free_irq(tspi->irq, tspi); clk_disable(tspi->clk); + clk_unprepare(tspi->clk); if (tspi->tx_dma_chan) tegra_slink_deinit_dma_param(tspi, false);