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Merge "FROMGIT: BACKPORT: driver core: Add device links from fwnode only for the primary device"

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qctecmdr 2020-03-31 11:49:53 -07:00 • committed by Gerrit - the friendly Code Review server
commit e58b281c91
1 changed files with 5 additions and 2 deletions
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7
drivers/base/core.c
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@ -2378,6 +2378,7 @@ int device_add(struct device *dev)
struct class_interface *class_intf;
int error = -EINVAL, fw_ret;
struct kobject *glue_dir = NULL;
bool is_fwnode_dev = false;
dev = get_device(dev);
if (!dev)
@ -2475,8 +2476,10 @@ int device_add(struct device *dev)
kobject_uevent(&dev->kobj, KOBJ_ADD);
if (dev->fwnode && !dev->fwnode->dev)
if (dev->fwnode && !dev->fwnode->dev) {
dev->fwnode->dev = dev;
is_fwnode_dev = true;
}
/*
* Check if any of the other devices (consumers) have been waiting for
@ -2492,7 +2495,7 @@ int device_add(struct device *dev)
*/
device_link_add_missing_supplier_links();
if (fwnode_has_op(dev->fwnode, add_links)) {
if (is_fwnode_dev && fwnode_has_op(dev->fwnode, add_links)) {
fw_ret = fwnode_call_int_op(dev->fwnode, add_links, dev);
if (fw_ret == -ENODEV)
device_link_wait_for_mandatory_supplier(dev);