netdev - RE: [PATCH 3/5] net: davinci_mdio: Fix type mistake in calling runtime-pm api

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Date:	Thu, 18 Oct 2012 16:13:43 +0000
From:	"Hiremath, Vaibhav" <hvaibhav@...com>
To:	Richard Cochran <richardcochran@...il.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Arnd Bergmann <arnd@...db.de>,
	David Miller <davem@...emloft.net>,
	Russell King <linux@....linux.org.uk>,
	"N, Mugunthan V" <mugunthanvnm@...com>
Subject: RE: [PATCH 3/5] net: davinci_mdio: Fix type mistake in calling
 runtime-pm api

On Tue, Oct 16, 2012 at 00:46:33, Richard Cochran wrote:
> From: Vaibhav Hiremath <hvaibhav@...com>
> 
> By mistake (most likely a copy-paste), instead of pm_runtime_get_sync()
> api, driver is calling pm_runtime_put_sync() api in resume callback
> function. The bug was introduced by commit id (ae2c07aaf74:
> davinci_mdio: runtime PM support).
> 
> Now, the reason why it didn't impact functionality is, the patch has
> been tested on AM335x-EVM and BeagleBone platform while submitting;
> and in case of AM335x the MDIO driver doesn't control the module
> enable/disable part, which is handled by CPSW driver.
> 
> Signed-off-by: Vaibhav Hiremath <hvaibhav@...com>
> Cc: Mugunthan V N <mugunthanvnm@...com>


Thanks for submitting the patches, I couldn't able to do it for almost 2 
weeks now. I really appreciate it.

Thanks,
Vaibhav
> ---
>  drivers/net/ethernet/ti/davinci_mdio.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
> index 51a96db..ae74280 100644
> --- a/drivers/net/ethernet/ti/davinci_mdio.c
> +++ b/drivers/net/ethernet/ti/davinci_mdio.c
> @@ -465,7 +465,7 @@ static int davinci_mdio_resume(struct device *dev)
>  	u32 ctrl;
>  
>  	spin_lock(&data->lock);
> -	pm_runtime_put_sync(data->dev);
> +	pm_runtime_get_sync(data->dev);
>  
>  	/* restart the scan state machine */
>  	ctrl = __raw_readl(&data->regs->control);
> -- 
> 1.7.2.5
> 
> 

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