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

From: Fu, Zhonghui
Date: Mon Aug 17 2015 - 12:07:40 EST


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

Signed-off-by: Zhonghui Fu <zhonghui.fu@xxxxxxxxxxxxxxx>
---
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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