linux-kernel - Re: [PATCH 4/5] i2c: tegra: Use struct dev_pm

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Date:	Thu, 12 Jul 2012 11:53:52 +0200
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	Laxman Dewangan <ldewangan@...dia.com>
Cc:	khali@...ux-fr.org, ben-linux@...ff.org, swarren@...dia.com,
	linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-tegra@...r.kernel.org
Subject: Re: [PATCH 4/5] i2c: tegra: Use struct dev_pm_ops for power
 management

On Tue, Jul 10, 2012 at 04:50:43PM +0530, Laxman Dewangan wrote:
> Make the tegra i2c driver define its PM callbacks through
> struct dev_pm_ops objects rather than by using legacy PM hooks
> in struct platform_driver.
> 
> Signed-off-by: Laxman Dewangan <ldewangan@...dia.com>
> ---
>  drivers/i2c/busses/i2c-tegra.c |   19 +++++++++++++------
>  1 files changed, 13 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
> index 0792674..5f0572d 100644
> --- a/drivers/i2c/busses/i2c-tegra.c
> +++ b/drivers/i2c/busses/i2c-tegra.c
> @@ -713,8 +713,9 @@ static int __devexit tegra_i2c_remove(struct platform_device *pdev)
>  }
>  
>  #ifdef CONFIG_PM
> -static int tegra_i2c_suspend(struct platform_device *pdev, pm_message_t state)
> +static int tegra_i2c_suspend(struct device *dev)
>  {
> +	struct platform_device *pdev = to_platform_device(dev);
>  	struct tegra_i2c_dev *i2c_dev = platform_get_drvdata(pdev);

I like Rafael's patch better because of dev_get_drvdata. I'll pick his
and add your 5/5 on top of that.

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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