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authorChuhong Yuan <hslester96@gmail.com>2019-11-15 16:31:22 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-12-31 12:37:42 +0100
commitc4fd0e76e47195b9096f7334102d5e115cd91feb (patch)
treecbe6c4719c92cd125adc42a312b625840a8bc986
parent79bb64337a1d9247d657fe8b1cd9643adfcdf382 (diff)
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spi: tegra20-slink: add missed clk_unprepare
[ 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>
-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 9831c1106945..62b074b167a9 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);