dm: core: Add a post_bind method for parents

[oweals/u-boot.git] / drivers / core / device.c

diff --git a/drivers/core/device.c b/drivers/core/device.c
index ee97cc84fff8d83fe77de85efabcd41dde37d362..365676b9121941afb9982013296422ee8b5b77af 100644 (file)
--- a/drivers/core/device.c
+++ b/drivers/core/device.c
@@ -83,6 +83,10 @@ int device_bind(struct udevice *parent, struct driver *drv, const char *name,
        if (parent) {
                int size = parent->driver->per_child_platdata_auto_alloc_size;
 
+               if (!size) {
+                       size = parent->uclass->uc_drv->
+                                       per_child_platdata_auto_alloc_size;
+               }
                if (size) {
                        dev->flags |= DM_FLAG_ALLOC_PARENT_PDATA;
                        dev->parent_platdata = calloc(1, size);
@@ -107,12 +111,24 @@ int device_bind(struct udevice *parent, struct driver *drv, const char *name,
                if (ret)
                        goto fail_bind;
        }
+       if (parent && parent->driver->child_post_bind) {
+               ret = parent->driver->child_post_bind(dev);
+               if (ret)
+                       goto fail_child_post_bind;
+       }
+
        if (parent)
                dm_dbg("Bound device %s to %s\n", dev->name, parent->name);
        *devp = dev;
 
        return 0;
 
+fail_child_post_bind:
+       if (drv->unbind && drv->unbind(dev)) {
+               dm_warn("unbind() method failed on dev '%s' on error path\n",
+                       dev->name);
+       }
+
 fail_bind:
        if (uclass_unbind_device(dev)) {
                dm_warn("Failed to unbind dev '%s' on error path\n",