2015-08-17 16:07:37

by Fu, Zhonghui

Subject: [PATCH] i2c: enable i2c device to suspend/resume asynchronously

Enable i2c device to suspend/resume asynchronously. This can improve
system suspend/resume speed.

Signed-off-by: Zhonghui Fu <[email protected]>
---
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

2015-08-24 15:18:11

by Fu, Zhonghui

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 <[email protected]>
> ---
> 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
>