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-rw-r--r--drivers/of/of_mdio.c73
-rw-r--r--drivers/of/of_reserved_mem.c41
2 files changed, 71 insertions, 43 deletions
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 9f982c0627a0..a04afe79529c 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -60,39 +60,15 @@ static struct mii_timestamper *of_find_mii_timestamper(struct device_node *node)
return register_mii_timestamper(arg.np, arg.args[0]);
}
-static int of_mdiobus_register_phy(struct mii_bus *mdio,
- struct device_node *child, u32 addr)
+int of_mdiobus_phy_device_register(struct mii_bus *mdio, struct phy_device *phy,
+ struct device_node *child, u32 addr)
{
- struct mii_timestamper *mii_ts;
- struct phy_device *phy;
- bool is_c45;
int rc;
- u32 phy_id;
-
- mii_ts = of_find_mii_timestamper(child);
- if (IS_ERR(mii_ts))
- return PTR_ERR(mii_ts);
-
- is_c45 = of_device_is_compatible(child,
- "ethernet-phy-ieee802.3-c45");
-
- if (!is_c45 && !of_get_phy_id(child, &phy_id))
- phy = phy_device_create(mdio, addr, phy_id, 0, NULL);
- else
- phy = get_phy_device(mdio, addr, is_c45);
- if (IS_ERR(phy)) {
- if (mii_ts)
- unregister_mii_timestamper(mii_ts);
- return PTR_ERR(phy);
- }
rc = of_irq_get(child, 0);
- if (rc == -EPROBE_DEFER) {
- if (mii_ts)
- unregister_mii_timestamper(mii_ts);
- phy_device_free(phy);
+ if (rc == -EPROBE_DEFER)
return rc;
- }
+
if (rc > 0) {
phy->irq = rc;
mdio->irq[addr] = rc;
@@ -118,10 +94,47 @@ static int of_mdiobus_register_phy(struct mii_bus *mdio,
* register it */
rc = phy_device_register(phy);
if (rc) {
+ of_node_put(child);
+ return rc;
+ }
+
+ dev_dbg(&mdio->dev, "registered phy %pOFn at address %i\n",
+ child, addr);
+ return 0;
+}
+EXPORT_SYMBOL(of_mdiobus_phy_device_register);
+
+static int of_mdiobus_register_phy(struct mii_bus *mdio,
+ struct device_node *child, u32 addr)
+{
+ struct mii_timestamper *mii_ts;
+ struct phy_device *phy;
+ bool is_c45;
+ int rc;
+ u32 phy_id;
+
+ mii_ts = of_find_mii_timestamper(child);
+ if (IS_ERR(mii_ts))
+ return PTR_ERR(mii_ts);
+
+ is_c45 = of_device_is_compatible(child,
+ "ethernet-phy-ieee802.3-c45");
+
+ if (!is_c45 && !of_get_phy_id(child, &phy_id))
+ phy = phy_device_create(mdio, addr, phy_id, 0, NULL);
+ else
+ phy = get_phy_device(mdio, addr, is_c45);
+ if (IS_ERR(phy)) {
+ if (mii_ts)
+ unregister_mii_timestamper(mii_ts);
+ return PTR_ERR(phy);
+ }
+
+ rc = of_mdiobus_phy_device_register(mdio, phy, child, addr);
+ if (rc) {
if (mii_ts)
unregister_mii_timestamper(mii_ts);
phy_device_free(phy);
- of_node_put(child);
return rc;
}
@@ -132,8 +145,6 @@ static int of_mdiobus_register_phy(struct mii_bus *mdio,
if (mii_ts)
phy->mii_ts = mii_ts;
- dev_dbg(&mdio->dev, "registered phy %pOFn at address %i\n",
- child, addr);
return 0;
}
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 6f6fea3e96de..6877080c8af9 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -358,6 +358,25 @@ int of_reserved_mem_device_init_by_idx(struct device *dev,
EXPORT_SYMBOL_GPL(of_reserved_mem_device_init_by_idx);
/**
+ * of_reserved_mem_device_init_by_name() - assign named reserved memory region
+ * to given device
+ * @dev: pointer to the device to configure
+ * @np: pointer to the device node with 'memory-region' property
+ * @name: name of the selected memory region
+ *
+ * Returns: 0 on success or a negative error-code on failure.
+ */
+int of_reserved_mem_device_init_by_name(struct device *dev,
+ struct device_node *np,
+ const char *name)
+{
+ int idx = of_property_match_string(np, "memory-region-names", name);
+
+ return of_reserved_mem_device_init_by_idx(dev, np, idx);
+}
+EXPORT_SYMBOL_GPL(of_reserved_mem_device_init_by_name);
+
+/**
* of_reserved_mem_device_release() - release reserved memory device structures
* @dev: Pointer to the device to deconfigure
*
@@ -366,24 +385,22 @@ EXPORT_SYMBOL_GPL(of_reserved_mem_device_init_by_idx);
*/
void of_reserved_mem_device_release(struct device *dev)
{
- struct rmem_assigned_device *rd;
- struct reserved_mem *rmem = NULL;
+ struct rmem_assigned_device *rd, *tmp;
+ LIST_HEAD(release_list);
mutex_lock(&of_rmem_assigned_device_mutex);
- list_for_each_entry(rd, &of_rmem_assigned_device_list, list) {
- if (rd->dev == dev) {
- rmem = rd->rmem;
- list_del(&rd->list);
- kfree(rd);
- break;
- }
+ list_for_each_entry_safe(rd, tmp, &of_rmem_assigned_device_list, list) {
+ if (rd->dev == dev)
+ list_move_tail(&rd->list, &release_list);
}
mutex_unlock(&of_rmem_assigned_device_mutex);
- if (!rmem || !rmem->ops || !rmem->ops->device_release)
- return;
+ list_for_each_entry_safe(rd, tmp, &release_list, list) {
+ if (rd->rmem && rd->rmem->ops && rd->rmem->ops->device_release)
+ rd->rmem->ops->device_release(rd->rmem, dev);
- rmem->ops->device_release(rmem, dev);
+ kfree(rd);
+ }
}
EXPORT_SYMBOL_GPL(of_reserved_mem_device_release);