Define phylink_fwnode_phy_connect() to connect phy specified by
a fwnode to a phylink instance.
Signed-off-by: Calvin Johnson <calvin.johnson@xxxxxxxxxxx>
Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
---
Changes in v7:
- assign flags to phy_dev
Changes in v6:
- clean up phylink_fwnode_phy_connect()
Changes in v5:
- return -EINVAL for invalid fwnode
Changes in v4: None
Changes in v3: None
Changes in v2: None
drivers/net/phy/phylink.c | 32 ++++++++++++++++++++++++++++++++
include/linux/phylink.h | 3 +++
2 files changed, 35 insertions(+)
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 32b4bd6a5b55..c35ae42d9318 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -5,6 +5,7 @@
*
* Copyright (C) 2015 Russell King
*/
+#include <linux/acpi.h>
#include <linux/ethtool.h>
#include <linux/export.h>
#include <linux/gpio/consumer.h>
@@ -1118,6 +1119,37 @@ int phylink_of_phy_connect(struct phylink *pl, struct device_node *dn,
}
EXPORT_SYMBOL_GPL(phylink_of_phy_connect);
+/**
+ * phylink_fwnode_phy_connect() - connect the PHY specified in the fwnode.
+ * @pl: a pointer to a &struct phylink returned from phylink_create()
+ * @fwnode: a pointer to a &struct fwnode_handle.
+ * @flags: PHY-specific flags to communicate to the PHY device driver
+ *
+ * Connect the phy specified @fwnode to the phylink instance specified
+ * by @pl. Actions specified in phylink_connect_phy() will be
+ * performed.
+ *
+ * Returns 0 on success or a negative errno.
+ */
+int phylink_fwnode_phy_connect(struct phylink *pl,
+ struct fwnode_handle *fwnode,
+ u32 flags)
+{
+ struct phy_device *phy_dev;
+
+ if (is_of_node(fwnode))
+ return phylink_of_phy_connect(pl, to_of_node(fwnode), flags);
+ if (is_acpi_device_node(fwnode)) {
+ phy_dev = phy_find_by_mdio_handle(fwnode);
+ if (!phy_dev)
+ return -ENODEV;
+ phy_dev->dev_flags |= flags;
+ return phylink_connect_phy(pl, phy_dev);
+ }
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(phylink_fwnode_phy_connect);
+
/**
* phylink_disconnect_phy() - disconnect any PHY attached to the phylink
* instance.
diff --git a/include/linux/phylink.h b/include/linux/phylink.h
index 1aad2aea4610..ba23b5a1548f 100644
--- a/include/linux/phylink.h
+++ b/include/linux/phylink.h
@@ -434,6 +434,9 @@ void phylink_destroy(struct phylink *);
int phylink_connect_phy(struct phylink *, struct phy_device *);
int phylink_of_phy_connect(struct phylink *, struct device_node *, u32 flags);
+int phylink_fwnode_phy_connect(struct phylink *pl,
+ struct fwnode_handle *fwnode,
+ u32 flags);
void phylink_disconnect_phy(struct phylink *);
void phylink_mac_change(struct phylink *, bool up);
--
2.17.1
