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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>
This commit is contained in:
Chuhong Yuan 2019-11-15 16:31:22 +08:00 committed by Mark Brown
parent 912a7df474
commit 04358e40ba
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 4 additions and 1 deletions
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5
drivers/spi/spi-tegra20-slink.c
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@ -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);