diff options
Diffstat (limited to 'drivers/core/device-remove.c')
| -rw-r--r-- | drivers/core/device-remove.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/core/device-remove.c b/drivers/core/device-remove.c index a7f77b4a21..cc0043b990 100644 --- a/drivers/core/device-remove.c +++ b/drivers/core/device-remove.c @@ -46,9 +46,10 @@ static int device_chld_unbind(struct udevice *dev) /** * device_chld_remove() - Stop all device's children * @dev: The device whose children are to be removed + * @pre_os_remove: Flag, if this functions is called in the pre-OS stage * @return 0 on success, -ve on error */ -static int device_chld_remove(struct udevice *dev) +static int device_chld_remove(struct udevice *dev, uint flags) { struct udevice *pos, *n; int ret; @@ -56,7 +57,7 @@ static int device_chld_remove(struct udevice *dev) assert(dev); list_for_each_entry_safe(pos, n, &dev->child_head, sibling_node) { - ret = device_remove(pos); + ret = device_remove(pos, flags); if (ret) return ret; } @@ -151,7 +152,7 @@ void device_free(struct udevice *dev) devres_release_probe(dev); } -int device_remove(struct udevice *dev) +int device_remove(struct udevice *dev, uint flags) { const struct driver *drv; int ret; @@ -169,11 +170,17 @@ int device_remove(struct udevice *dev) if (ret) return ret; - ret = device_chld_remove(dev); + ret = device_chld_remove(dev, flags); if (ret) goto err; - if (drv->remove) { + /* + * Remove the device if called with the "normal" remove flag set, + * or if the remove flag matches any of the drivers remove flags + */ + if (drv->remove && + ((flags & DM_REMOVE_NORMAL) || + (flags & (drv->flags & DM_FLAG_ACTIVE_DMA)))) { ret = drv->remove(dev); if (ret) goto err_remove; @@ -187,10 +194,13 @@ int device_remove(struct udevice *dev) } } - device_free(dev); + if ((flags & DM_REMOVE_NORMAL) || + (flags & (drv->flags & DM_FLAG_ACTIVE_DMA))) { + device_free(dev); - dev->seq = -1; - dev->flags &= ~DM_FLAG_ACTIVATED; + dev->seq = -1; + dev->flags &= ~DM_FLAG_ACTIVATED; + } return ret; |