diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/i2c/i2c-core-base.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 6cf57e32119c..bf93e62e6b2a 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -1524,7 +1524,18 @@ static int i2c_register_adapter(struct i2c_adapter *adap) dev_set_name(&adap->dev, "i2c-%d", adap->nr); adap->dev.bus = &i2c_bus_type; adap->dev.type = &i2c_adapter_type; - res = device_register(&adap->dev); + device_initialize(&adap->dev); + + /* + * This adapter can be used as a parent immediately after device_add(), + * setup runtime-pm (especially ignore-children) before hand. + */ + device_enable_async_suspend(&adap->dev); + pm_runtime_no_callbacks(&adap->dev); + pm_suspend_ignore_children(&adap->dev, true); + pm_runtime_enable(&adap->dev); + + res = device_add(&adap->dev); if (res) { pr_err("adapter '%s': can't register device (%d)\n", adap->name, res); goto out_list; @@ -1536,11 +1547,6 @@ 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); - res = i2c_init_recovery(adap); if (res == -EPROBE_DEFER) goto out_reg; |