The driver misses calling clk_unprepare in probe failure and remove. Add the calls to fix it. Signed-off-by: Chuhong Yuan <hslester96@xxxxxxxxx> --- 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 111fffc91435..374a2a32edcd 100644 --- a/drivers/spi/spi-tegra20-slink.c +++ b/drivers/spi/spi-tegra20-slink.c @@ -1073,7 +1073,7 @@ 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); @@ -1146,6 +1146,8 @@ 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; @@ -1159,6 +1161,7 @@ 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); -- 2.24.0