[PATCH net-next v1] lan78xx: lan7801 MAC support with lan8841
From: Rengarajan S <rengarajan.s@microchip.com>
Date: 2024-06-11 09:45:04
Also in:
linux-usb, lkml
Subsystem:
networking drivers, the rest, usb lan78xx ethernet driver, usb networking drivers · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Thangaraj Samynathan, Rengarajan Sundararajan
Add lan7801 MAC only support with lan8841. The PHY fixup is registered for lan8841 and the initializations are done using lan8835_fixup since the register configs are similar for both lann8841 and lan8835. The PHY is unregistered at two instances, one during init and other during disconnect. Signed-off-by: Rengarajan S <rengarajan.s@microchip.com> --- drivers/net/usb/lan78xx.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 5add4145d9fc..ab6f0c42b4d9 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c@@ -479,6 +479,7 @@ struct lan78xx_net { /* define external phy id */ #define PHY_LAN8835 (0x0007C130) +#define PHY_LAN8841 (0x00221650) #define PHY_KSZ9031RNX (0x00221620) /* use ethtool to change the level for any given device */
@@ -2327,6 +2328,13 @@ static struct phy_device *lan7801_phy_init(struct lan78xx_net *dev) netdev_err(dev->net, "Failed to register fixup for PHY_LAN8835\n"); return NULL; } + /* external PHY fixup for LAN8841 */ + ret = phy_register_fixup_for_uid(PHY_LAN8841, 0xfffffff0, + lan8835_fixup); + if (ret < 0) { + netdev_err(dev->net, "Failed to register fixup for PHY_LAN8841\n"); + return NULL; + } /* add more external PHY fixup here if needed */ phydev->is_internal = false;
@@ -2390,6 +2398,8 @@ static int lan78xx_phy_init(struct lan78xx_net *dev) 0xfffffff0); phy_unregister_fixup_for_uid(PHY_LAN8835, 0xfffffff0); + phy_unregister_fixup_for_uid(PHY_LAN8841, + 0xfffffff0); } } return -EIO;
@@ -4239,6 +4249,7 @@ static void lan78xx_disconnect(struct usb_interface *intf) phy_unregister_fixup_for_uid(PHY_KSZ9031RNX, 0xfffffff0); phy_unregister_fixup_for_uid(PHY_LAN8835, 0xfffffff0); + phy_unregister_fixup_for_uid(PHY_LAN8841, 0xfffffff0); phy_disconnect(net->phydev);
--
2.25.1