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dm: convert device_get_global_by_of_offset() to device_get_global_by_ofnode()

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Also add device_find_global_by_ofnode() that also find a device based on
the OF node, but doesn't probe the device.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
This commit is contained in:
Jean-Jacques Hiblot
2018-08-09 16:17:44 +02:00
committed by Marek Vasut
parent 999b204383
commit 7ec9181d6a
4 changed files with 34 additions and 12 deletions
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19
drivers/core/device.c
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@@ -594,16 +594,16 @@ int device_get_child_by_of_offset(struct udevice *parent, int node,
return device_get_device_tail(dev, ret, devp);
}
static struct udevice *_device_find_global_by_of_offset(struct udevice *parent,
int of_offset)
static struct udevice *_device_find_global_by_ofnode(struct udevice *parent,
ofnode ofnode)
{
struct udevice *dev, *found;
if (dev_of_offset(parent) == of_offset)
if (ofnode_equal(dev_ofnode(parent), ofnode))
return parent;
list_for_each_entry(dev, &parent->child_head, sibling_node) {
found = _device_find_global_by_of_offset(dev, of_offset);
found = _device_find_global_by_ofnode(dev, ofnode);
if (found)
return found;
}
@@ -611,11 +611,18 @@ static struct udevice *_device_find_global_by_of_offset(struct udevice *parent,
return NULL;
}
int device_get_global_by_of_offset(int of_offset, struct udevice **devp)
int device_find_global_by_ofnode(ofnode ofnode, struct udevice **devp)
{
*devp = _device_find_global_by_ofnode(gd->dm_root, ofnode);
return *devp ? 0 : -ENOENT;
}
int device_get_global_by_ofnode(ofnode ofnode, struct udevice **devp)
{
struct udevice *dev;
dev = _device_find_global_by_of_offset(gd->dm_root, of_offset);
dev = _device_find_global_by_ofnode(gd->dm_root, ofnode);
return device_get_device_tail(dev, dev ? 0 : -ENOENT, devp);
}