Merge tag 'dm-pull-29oct19' of git://git.denx.de/u-boot-dm

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

diff --git a/drivers/core/device.c b/drivers/core/device.c
index 474c1642ee511a4353addfe7cfe275ac29ebff52..8eabaf8b553219bea677d9a9c1be134ba57c5e0a 100644 (file)
--- a/drivers/core/device.c
+++ b/drivers/core/device.c
@@ -82,6 +82,11 @@ static int device_bind_common(struct udevice *parent, const struct driver *drv,
                if (CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)) {
                        if (uc->uc_drv->name && ofnode_valid(node))
                                dev_read_alias_seq(dev, &dev->req_seq);
+#if CONFIG_IS_ENABLED(OF_PRIOR_STAGE)
+                       if (dev->req_seq == -1)
+                               dev->req_seq =
+                                       uclass_find_next_free_req_seq(drv->id);
+#endif
                } else {
                        dev->req_seq = uclass_find_next_free_req_seq(drv->id);
                }
@@ -307,7 +312,6 @@ static void *alloc_priv(int size, uint flags)
 
 int device_probe(struct udevice *dev)
 {
-       struct power_domain pd;
        const struct driver *drv;
        int size = 0;
        int ret;
@@ -389,9 +393,11 @@ int device_probe(struct udevice *dev)
                pinctrl_select_state(dev, "default");
 
        if (CONFIG_IS_ENABLED(POWER_DOMAIN) && dev->parent &&
-           device_get_uclass_id(dev) != UCLASS_POWER_DOMAIN) {
-               if (!power_domain_get(dev, &pd))
-                       power_domain_on(&pd);
+           (device_get_uclass_id(dev) != UCLASS_POWER_DOMAIN) &&
+           !(drv->flags & DM_FLAG_DEFAULT_PD_CTRL_OFF)) {
+               ret = dev_power_domain_on(dev);
+               if (ret)
+                       goto fail;
        }
 
        ret = uclass_pre_probe_device(dev);
@@ -404,7 +410,8 @@ int device_probe(struct udevice *dev)
                        goto fail;
        }
 
-       if (drv->ofdata_to_platdata && dev_has_of_node(dev)) {
+       if (drv->ofdata_to_platdata &&
+           (CONFIG_IS_ENABLED(OF_PLATDATA) || dev_has_of_node(dev))) {
                ret = drv->ofdata_to_platdata(dev);
                if (ret)
                        goto fail;
@@ -416,7 +423,7 @@ int device_probe(struct udevice *dev)
                 * Process 'assigned-{clocks/clock-parents/clock-rates}'
                 * properties
                 */
-               ret = clk_set_defaults(dev);
+               ret = clk_set_defaults(dev, 0);
                if (ret)
                        goto fail;
        }
@@ -526,6 +533,7 @@ static int device_get_device_tail(struct udevice *dev, int ret,
        return 0;
 }
 
+#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
 /**
  * device_find_by_ofnode() - Return device associated with given ofnode
  *
@@ -552,6 +560,7 @@ static int device_find_by_ofnode(ofnode node, struct udevice **devp)
 
        return -ENODEV;
 }
+#endif
 
 int device_get_child(struct udevice *parent, int index, struct udevice **devp)
 {
@@ -565,6 +574,17 @@ int device_get_child(struct udevice *parent, int index, struct udevice **devp)
        return -ENODEV;
 }
 
+int device_get_child_count(struct udevice *parent)
+{
+       struct udevice *dev;
+       int count = 0;
+
+       list_for_each_entry(dev, &parent->child_head, sibling_node)
+               count++;
+
+       return count;
+}
+
 int device_find_child_by_seq(struct udevice *parent, int seq_or_req_seq,
                             bool find_req_seq, struct udevice **devp)
 {
@@ -817,6 +837,7 @@ int device_set_name(struct udevice *dev, const char *name)
        return 0;
 }
 
+#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
 bool device_is_compatible(struct udevice *dev, const char *compat)
 {
        return ofnode_device_is_compatible(dev_ofnode(dev), compat);
@@ -879,3 +900,4 @@ int dev_enable_by_path(const char *path)
 
        return lists_bind_fdt(parent, node, NULL, false);
 }
+#endif