linux-kernel - Re: [PATCH] i2c: enable i2c device to suspend/resume asynchronously

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Message-ID: <55DB35AC.3080701@linux.intel.com>
Date:	Mon, 24 Aug 2015 23:18:04 +0800
From:	"Fu, Zhonghui" <zhonghui.fu@...ux.intel.com>
To:	wsa@...-dreams.de
CC:	linux-i2c@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] i2c: enable i2c device to suspend/resume asynchronously

Hi,

Any comments are welcome.


Thanks,
Zhonghui



On 2015/8/18 0:07, Fu, Zhonghui wrote:
> Enable i2c device to suspend/resume asynchronously. This can improve
> system suspend/resume speed.
>
> Signed-off-by: Zhonghui Fu <zhonghui.fu@...ux.intel.com>
> ---
>  drivers/i2c/i2c-core.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
> index c83e4d1..6587681 100644
> --- a/drivers/i2c/i2c-core.c
> +++ b/drivers/i2c/i2c-core.c
> @@ -987,6 +987,7 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
>  	client->dev.of_node = info->of_node;
>  	client->dev.fwnode = info->fwnode;
>  
> +	device_enable_async_suspend(&client->dev);
>  	i2c_dev_set_name(adap, client);
>  	status = device_register(&client->dev);
>  	if (status)
> -- 1.7.1
>

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