From: Chuhong Yuan hslester96@gmail.com
[ 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 hslester96@gmail.com Link: https://lore.kernel.org/r/20191115083122.12278-1-hslester96@gmail.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 1427f343b39a3..d1187317bb5d7 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);