leandrof/u-boot
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

core: add uclass_get_device_by_phandle_id() api

Browse Source 
Add api for who can not get phandle from a device property.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
This commit is contained in:
Kever Yang
2018-02-09 10:56:23 +08:00
committed by Simon Glass
parent 81cf7c8d45
commit d255fade66
2 changed files with 42 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/core/uclass.c
View File

@@ -457,6 +457,32 @@ int uclass_get_device_by_ofnode(enum uclass_id id, ofnode node,
}
#if CONFIG_IS_ENABLED(OF_CONTROL)
int uclass_get_device_by_phandle_id(enum uclass_id id, uint phandle_id,
struct udevice **devp)
{
struct udevice *dev;
struct uclass *uc;
int ret;
*devp = NULL;
ret = uclass_get(id, &uc);
if (ret)
return ret;
list_for_each_entry(dev, &uc->dev_head, uclass_node) {
uint phandle;
phandle = dev_read_phandle(dev);
if (phandle == phandle_id) {
*devp = dev;
return uclass_get_device_tail(dev, ret, devp);
}
}
return -ENODEV;
}
int uclass_get_device_by_phandle(enum uclass_id id, struct udevice *parent,
const char *name, struct udevice **devp)
{