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authorChuhong Yuan <hslester96@gmail.com>2019-11-15 11:31:22 +0300
committerMark Brown <broonie@kernel.org>2019-11-15 15:15:22 +0300
commit04358e40ba96d687c0811c21d9dede73f5244a98 (patch)
tree837ff152576e48479180bdd7ae46df4a80d2581f /drivers/spi/spi-tegra20-slink.c
parent912a7df474d2cb22fc99a1fcf77997f2cea7d85e (diff)
downloadlinux-04358e40ba96d687c0811c21d9dede73f5244a98.tar.xz
spi: tegra20-slink: add missed clk_unprepare
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>
Diffstat (limited to 'drivers/spi/spi-tegra20-slink.c')
-rw-r--r--drivers/spi/spi-tegra20-slink.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c
index 51573f41ed12..7f4d932dade7 100644
--- a/drivers/spi/spi-tegra20-slink.c
+++ b/drivers/spi/spi-tegra20-slink.c
@@ -1072,7 +1072,7 @@ 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);
@@ -1145,6 +1145,8 @@ 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;
@@ -1158,6 +1160,7 @@ 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);