commit 9b529a972d15af7dabfa2fffa69f0e2ed69b6220
author T Karthik Reddy <t.karthik.reddy@xilinx.com> Tue Mar 29 16:05:57 2022 +0200
committer Michal Simek <michal.simek@xilinx.com> Tue Apr 05 15:10:54 2022 +0200
tree 111536364dac4dae489f072b3512f255b476ee6b
parent 6f735e41785d5a8373b3cbad8f582966c9d1001f

net: phy: Fix rgmii-id phy reset timeout issue

While creating a phy device using phy_device_create(), we need to
provide a valid phyaddr instead of 0 causing phy address being
registered as 0 with mdio bus and shows mdio phy list as below

ZynqMP>  mdio list
eth0:
0 - TI DP83867 <--> ethernet@ff0b0000
eth1:
0 - TI DP83867 <--> ethernet@ff0c0000

Also PHY soft reset is being requested on 0 instead of valid
address causing "PHY reset timed out" error.

So add phyaddr argument to phy_connect_phy_id() and to its prototype
to create phy device with valid phyaddress.

Fixes: a744a284e354 ("net: phy: Add support for ethernet-phy-id with gpio reset")
Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Link: https://lore.kernel.org/r/fe35fddb9faa5af577ffdfabaec6879c935a30f8.1648562755.git.michal.simek@xilinx.com

drivers/net/phy/ethernet_id.c

diff --git a/drivers/net/phy/ethernet_id.c b/drivers/net/phy/ethernet_id.c
index 5617ac3..44abc5b 100644
--- a/drivers/net/phy/ethernet_id.c
+++ b/drivers/net/phy/ethernet_id.c
@@ -12,7 +12,7 @@
 #include <asm/gpio.h>
 
 struct phy_device *phy_connect_phy_id(struct mii_dev *bus, struct udevice *dev,
-				      phy_interface_t interface)
+				      int phyaddr, phy_interface_t interface)
 {
 	struct phy_device *phydev;
 	struct ofnode_phandle_args phandle_args;
@@ -61,7 +61,7 @@
 	}
 
 	id =  vendor << 16 | device;
-	phydev = phy_device_create(bus, 0, id, false, interface);
+	phydev = phy_device_create(bus, phyaddr, id, false, interface);
 	if (phydev)
 		phydev->node = node;
 

drivers/net/phy/phy.c

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 92fff5b..d473186 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -1049,7 +1049,7 @@
 
 #ifdef CONFIG_PHY_ETHERNET_ID
 	if (!phydev)
-		phydev = phy_connect_phy_id(bus, dev, interface);
+		phydev = phy_connect_phy_id(bus, dev, addr, interface);
 #endif
 
 #ifdef CONFIG_PHY_XILINX_GMII2RGMII

include/phy.h

diff --git a/include/phy.h b/include/phy.h
index 9ea4bd4..5e3da4b 100644
--- a/include/phy.h
+++ b/include/phy.h
@@ -479,7 +479,7 @@
  *			or NULL otherwise
  */
 struct phy_device *phy_connect_phy_id(struct mii_dev *bus, struct udevice *dev,
-				      phy_interface_t interface);
+				      int phyaddr, phy_interface_t interface);
 
 static inline ofnode phy_get_ofnode(struct phy_device *phydev)
 {