diff options
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/domain/power-domain-uclass.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/power/domain/power-domain-uclass.c b/drivers/power/domain/power-domain-uclass.c index d9c623b56e..2b7a1cb8fe 100644 --- a/drivers/power/domain/power-domain-uclass.c +++ b/drivers/power/domain/power-domain-uclass.c @@ -128,6 +128,17 @@ static int dev_power_domain_ctrl(struct udevice *dev, bool on) } /* + * For platforms with parent and child power-domain devices + * we may not run device_remove() on the power-domain parent + * because it will result in removing its children and switching + * off their power-domain parent. So we will get here again and + * again and will be stuck in an endless loop. + */ + if (!on && dev_get_parent(dev) == pd.dev && + device_get_uclass_id(dev) == UCLASS_POWER_DOMAIN) + return ret; + + /* * power_domain_get() bound the device, thus * we must remove it again to prevent unbinding * active devices (which would result in unbind |