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

dm: Adjust lists_bind_fdt() to return the bound device

Browse Source 
Allow the caller to find out the device that was bound in response to this
call.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2014-09-04 16:27:25 -06:00
parent aac07d49d0
commit 1f359e3611
3 changed files with 13 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/core/lists.c
View File

@@ -118,7 +118,8 @@ static int driver_check_compatible(const void *blob, int offset,
return -ENOENT;
}
int lists_bind_fdt(struct udevice *parent, const void *blob, int offset)
int lists_bind_fdt(struct udevice *parent, const void *blob, int offset,
struct udevice **devp)
{
struct driver *driver = ll_entry_start(struct driver, driver);
const int n_ents = ll_entry_count(struct driver, driver);
@@ -130,6 +131,8 @@ int lists_bind_fdt(struct udevice *parent, const void *blob, int offset)
int ret = 0;
dm_dbg("bind node %s\n", fdt_get_name(blob, offset, NULL));
if (devp)
*devp = NULL;
for (entry = driver; entry != driver + n_ents; entry++) {
ret = driver_check_compatible(blob, offset, entry->of_match);
name = fdt_get_name(blob, offset, NULL);
@@ -149,10 +152,11 @@ int lists_bind_fdt(struct udevice *parent, const void *blob, int offset)
ret = device_bind(parent, entry, name, NULL, offset, &dev);
if (ret) {
dm_warn("Error binding driver '%s'\n", entry->name);
if (!result || ret != -ENOENT)
result = ret;
return ret;
} else {
found = true;
if (devp)
*devp = dev;
}
break;
}

2
drivers/core/root.c
View File

@@ -91,7 +91,7 @@ int dm_scan_fdt_node(struct udevice *parent, const void *blob, int offset,
if (pre_reloc_only &&
!fdt_getprop(blob, offset, "u-boot,dm-pre-reloc", NULL))
continue;
err = lists_bind_fdt(parent, blob, offset);
err = lists_bind_fdt(parent, blob, offset, NULL);
if (err && !ret)
ret = err;
}