Message ID | 20211025213532.2349161-3-rajatja@google.com |
---|---|
State | Accepted |
Headers | show |
Series | i2c: Enable asynchronous suspend/resume | expand |
On Mon, Oct 25, 2021 at 02:35:30PM -0700, Rajat Jain wrote: > Enable async suspend/resume of i2c adapters. It enormously helps with > reducing the resume time of systems (as much as 20%-40%) where I2C devices > can take significant time (100s of ms) to resume. > > Signed-off-by: Rajat Jain <rajatja@google.com> > Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Applied to for-next, thanks!
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 54964fbe3f03..8d4f2be54e17 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -1576,6 +1576,7 @@ static int i2c_register_adapter(struct i2c_adapter *adap) if (res) goto out_reg; + device_enable_async_suspend(&adap->dev); pm_runtime_no_callbacks(&adap->dev); pm_suspend_ignore_children(&adap->dev, true); pm_runtime_enable(&adap->dev);