From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 4.9 77/91] spi: tegra20-slink: add missed clk_unprepare Date: Tue, 10 Dec 2019 17:30:21 -0500 Message-ID: <20191210223035.14270-77-sashal@kernel.org> References: <20191210223035.14270-1-sashal@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: Chuhong Yuan , Mark Brown , Sasha Levin , linux-spi@vger.kernel.org, linux-tegra@vger.kernel.org To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Return-path: In-Reply-To: <20191210223035.14270-1-sashal@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-spi.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 af2880d0c1126..cf2a329fd8958 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 @@ static int tegra_slink_probe(struct platform_device *pdev) 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); -- 2.20.1