From 751c925cbb3a270f9771e3945494cb44bd9e732a Mon Sep 17 00:00:00 2001 From: Shubhrajyoti D Date: Fri, 28 Oct 2011 17:14:18 +0530 Subject: [PATCH] spi/omap: call pm_runtime_disable in error path and remove 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 Signed-off-by: Shubhrajyoti D Signed-off-by: Grant Likely --- drivers/spi/spi-omap2-mcspi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c index 0192d1b79ca7..22e17264a20e 100644 --- a/drivers/spi/spi-omap2-mcspi.c +++ b/drivers/spi/spi-omap2-mcspi.c @@ -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));