linux-kernel - Re: [PATCH 15/16] i2c: i2c-tegra: Drop class based scanning to improve bootup time

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Date:	Thu, 10 Jul 2014 15:34:42 +0300
From:	Mikko Perttunen <mperttunen@...dia.com>
To:	Wolfram Sang <wsa@...-dreams.de>,
	"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>
CC:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Laxman Dewangan <ldewangan@...dia.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 15/16] i2c: i2c-tegra: Drop class based scanning to improve
 bootup time

Reviewed-by: Mikko Perttunen <mperttunen@...dia.com>
Tested-by: Mikko Perttunen <mperttunen@...dia.com>

On 10/07/14 14:46, Wolfram Sang wrote:
> This driver has been flagged to drop class based instantiation. The removal
> improves boot-up time and is unneeded for embedded controllers. Users have been
> warned to switch for some time now, so we can actually do the removal. Keep the
> DEPRECATED flag, so the core can inform users that the behaviour finally
> changed now. After another transition period, this flag can go, too.
>
> Signed-off-by: Wolfram Sang <wsa@...-dreams.de>
> ---
>   drivers/i2c/busses/i2c-tegra.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
> index f1bb2fc06791..87d0371cebb7 100644
> --- a/drivers/i2c/busses/i2c-tegra.c
> +++ b/drivers/i2c/busses/i2c-tegra.c
> @@ -792,7 +792,7 @@ static int tegra_i2c_probe(struct platform_device *pdev)
>
>   	i2c_set_adapdata(&i2c_dev->adapter, i2c_dev);
>   	i2c_dev->adapter.owner = THIS_MODULE;
> -	i2c_dev->adapter.class = I2C_CLASS_HWMON | I2C_CLASS_DEPRECATED;
> +	i2c_dev->adapter.class = I2C_CLASS_DEPRECATED;
>   	strlcpy(i2c_dev->adapter.name, "Tegra I2C adapter",
>   		sizeof(i2c_dev->adapter.name));
>   	i2c_dev->adapter.algo = &tegra_i2c_algo;
>
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