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From: w.sang@pengutronix.de (Wolfram Sang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv8 02/10] I2C: OMAP: Fix the mismatch of pm_runtime enable and disable
Date: Mon, 23 Apr 2012 17:43:45 +0200	[thread overview]
Message-ID: <20120423154345.GA27321@pengutronix.de> (raw)
In-Reply-To: <1334842101-20670-3-git-send-email-shubhrajyoti@ti.com>

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@ti.com>
> Cc: Rajendra Nayak <rnayak@ti.com>
> Signed-off-by: Shubhrajyoti D <shubhrajyoti@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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  reply	other threads:[~2012-04-23 15:43 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-19 13:28 [PATCHv8 00/10] I2C fixes Shubhrajyoti D
2012-04-19 13:28 ` [PATCHv8 01/10] I2C: OMAP: make omap_i2c_unidle/idle functions depend on CONFIG_PM_RUNTIME Shubhrajyoti D
2012-04-19 13:28 ` [PATCHv8 02/10] I2C: OMAP: Fix the mismatch of pm_runtime enable and disable Shubhrajyoti D
2012-04-23 15:43   ` Wolfram Sang [this message]
2012-04-23 15:57     ` Datta, Shubhrajyoti
2012-04-19 13:28 ` [PATCHv8 03/10] I2C: OMAP: Fix the interrupt clearing in OMAP4 Shubhrajyoti D
2012-04-19 13:28 ` [PATCHv8 04/10] I2C: OMAP: Fix the error handling Shubhrajyoti D
2012-04-23 17:10   ` Wolfram Sang
2012-04-19 13:28 ` [PATCHv8 05/10] I2C: OMAP: Don't check if wait_for_completion_timeout() returns less than zero Shubhrajyoti D
2012-04-23 17:11   ` Wolfram Sang
2012-04-19 13:28 ` [PATCHv8 06/10] I2C: OMAP: Fix the crash in i2c remove Shubhrajyoti D
2012-04-23 16:49   ` Wolfram Sang
2012-04-24 18:14     ` Shubhrajyoti
2012-04-24 18:18       ` Wolfram Sang
2012-04-26  6:28         ` Shubhrajyoti
2012-04-26  6:43           ` Shubhrajyoti
2012-04-19 13:28 ` [PATCHv8 07/10] I2C: OMAP: Handle error check for pm runtime Shubhrajyoti D
2012-04-23 16:20   ` Wolfram Sang
2012-04-23 17:26     ` Shubhrajyoti
2012-04-19 13:28 ` [PATCHv8 08/10] I2C: OMAP: fix missing handling of errata I2C_OMAP3_1P153 Shubhrajyoti D
2012-04-23 16:43   ` Wolfram Sang
2012-04-23 17:35     ` Shubhrajyoti
2012-04-19 13:28 ` [PATCHv8 09/10] I2C: OMAP: Do not set the XUDF if the underflow is not reached Shubhrajyoti D
2012-04-23 16:42   ` Wolfram Sang
2012-04-23 17:29     ` Shubhrajyoti
2012-04-19 13:28 ` [PATCHv8 10/10] I2C: OMAP: Rename the 1p153 to the erratum id i462 Shubhrajyoti D
2012-04-23 17:05 ` [PATCHv8 00/10] I2C fixes Wolfram Sang
2012-04-23 17:41   ` Shubhrajyoti

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