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spi/omap: call pm_runtime_disable in error path and remove

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omap mcspi probe() doesnt call pm_runtime  disable functions
in case of failure. remove() doesnt call pm_runtime disable. This could
lead to warnings as below on subsequent insmod.

~# insmod spi-omap2-mcspi.ko
[  255.383671] omap2_mcspi omap2_mcspi.1: Unbalanced pm_runtime_enable!
...

This patch adds the pm_runtime disable() at appropriate stages.

Signed-off-by: Hebbar, Gururaja <gururaja.hebbar@ti.com>
Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Shubhrajyoti D 2011-10-28 17:14:18 +05:30 committed by Grant Likely
parent 2856ac13b8
commit 751c925cbb
1 changed files with 2 additions and 0 deletions
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2
drivers/spi/spi-omap2-mcspi.c
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@ -1196,6 +1196,7 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev)
err4:
spi_master_put(master);
err3:
pm_runtime_disable(&pdev->dev);
kfree(mcspi->dma_channels);
err2:
release_mem_region(r->start, resource_size(r));
@ -1217,6 +1218,7 @@ static int __exit omap2_mcspi_remove(struct platform_device *pdev)
dma_channels = mcspi->dma_channels;
omap2_mcspi_disable_clocks(mcspi);
pm_runtime_disable(&pdev->dev);
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
release_mem_region(r->start, resource_size(r));