[PATCHv8 02/10] I2C: OMAP: Fix the mismatch of pm_runtime enable and disable
Wolfram Sang
w.sang at pengutronix.de
Mon Apr 23 11:43:45 EDT 2012
On Thu, Apr 19, 2012 at 06:58:13PM +0530, Shubhrajyoti D wrote:
> Currently the i2c driver calls the pm_runtime_enable and never
> the disable. This may cause a warning when pm_runtime_enable
> checks for the count match.Attempting to fix the same by calling
> pm_runtime_disable in the error and the remove path.
Why "attempting"?
>
> Cc: Kevin Hilman <khilman at ti.com>
> Cc: Rajendra Nayak <rnayak at ti.com>
> Signed-off-by: Shubhrajyoti D <shubhrajyoti at ti.com>
> ---
> drivers/i2c/busses/i2c-omap.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
> index 4f4188d..c851672 100644
> --- a/drivers/i2c/busses/i2c-omap.c
> +++ b/drivers/i2c/busses/i2c-omap.c
> @@ -1090,6 +1090,7 @@ err_unuse_clocks:
> omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0);
> pm_runtime_put(dev->dev);
> iounmap(dev->base);
> + pm_runtime_disable(&pdev->dev);
> err_free_mem:
> platform_set_drvdata(pdev, NULL);
> kfree(dev);
> @@ -1110,6 +1111,7 @@ omap_i2c_remove(struct platform_device *pdev)
> free_irq(dev->irq, dev);
> i2c_del_adapter(&dev->adapter);
> omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0);
> + pm_runtime_disable(&pdev->dev);
> iounmap(dev->base);
> kfree(dev);
> mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> --
> 1.7.5.4
>
--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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