diff --git a/Documentation/networking/oa-tc6-framework.rst b/Documentation/networking/oa-tc6-framework.rst index fe2aabde923a..013824078cea 100644 --- a/Documentation/networking/oa-tc6-framework.rst +++ b/Documentation/networking/oa-tc6-framework.rst @@ -454,7 +454,8 @@ Device drivers API The include/linux/oa_tc6.h defines the following functions: .. c:function:: struct oa_tc6 *oa_tc6_init(struct spi_device *spi, \ - struct net_device *netdev) + struct net_device *netdev, \ + struct oa_tc6_quirks *quirks) Initialize OA TC6 lib. diff --git a/drivers/net/ethernet/microchip/lan865x/lan865x.c b/drivers/net/ethernet/microchip/lan865x/lan865x.c index 0277d9737369..26a2761332a5 100644 --- a/drivers/net/ethernet/microchip/lan865x/lan865x.c +++ b/drivers/net/ethernet/microchip/lan865x/lan865x.c @@ -346,7 +346,7 @@ static int lan865x_probe(struct spi_device *spi) spi_set_drvdata(spi, priv); INIT_WORK(&priv->multicast_work, lan865x_multicast_work_handler); - priv->tc6 = oa_tc6_init(spi, netdev); + priv->tc6 = oa_tc6_init(spi, netdev, NULL); if (!priv->tc6) { ret = -ENODEV; goto free_netdev; diff --git a/drivers/net/ethernet/oa_tc6.c b/drivers/net/ethernet/oa_tc6.c index 8b9655883496..fa1359224535 100644 --- a/drivers/net/ethernet/oa_tc6.c +++ b/drivers/net/ethernet/oa_tc6.c @@ -135,6 +135,7 @@ struct oa_tc6 { bool int_flag; bool disable_traffic; bool prot_ctrl; + enum oa_tc6_quirk_flag quirk_flags; }; enum oa_tc6_header_type { @@ -581,6 +582,9 @@ static int oa_tc6_phy_init(struct oa_tc6 *tc6) { int ret; + if (tc6->quirk_flags & OA_TC6_BROKEN_PHY) + return 0; + ret = oa_tc6_check_phy_reg_direct_access_capability(tc6); if (ret) { netdev_err(tc6->netdev, @@ -617,6 +621,9 @@ static int oa_tc6_phy_init(struct oa_tc6 *tc6) static void oa_tc6_phy_exit(struct oa_tc6 *tc6) { + if (tc6->quirk_flags & OA_TC6_BROKEN_PHY) + return; + phy_disconnect(tc6->phydev); oa_tc6_mdiobus_unregister(tc6); } @@ -1327,11 +1334,13 @@ static int oa_tc6_check_ctrl_protection(struct oa_tc6 *tc6) * oa_tc6_init - allocates and initializes oa_tc6 structure. * @spi: device with which data will be exchanged. * @netdev: network device interface structure. + * @quirks: device specific modifiers for the OA TC6 protocol. * * Return: pointer reference to the oa_tc6 structure if the MAC-PHY * initialization is successful otherwise NULL. */ -struct oa_tc6 *oa_tc6_init(struct spi_device *spi, struct net_device *netdev) +struct oa_tc6 *oa_tc6_init(struct spi_device *spi, struct net_device *netdev, + struct oa_tc6_quirks *quirks) { struct oa_tc6 *tc6; int ret; @@ -1346,6 +1355,9 @@ struct oa_tc6 *oa_tc6_init(struct spi_device *spi, struct net_device *netdev) mutex_init(&tc6->spi_ctrl_lock); spin_lock_init(&tc6->tx_skb_lock); + if (quirks) + tc6->quirk_flags = quirks->quirk_flags; + /* Set the SPI controller to pump at realtime priority */ tc6->spi->rt = true; if (spi_setup(tc6->spi) < 0) diff --git a/include/linux/oa_tc6.h b/include/linux/oa_tc6.h index 15f58e3c56c7..62e3d89f80ed 100644 --- a/include/linux/oa_tc6.h +++ b/include/linux/oa_tc6.h @@ -12,7 +12,16 @@ struct oa_tc6; -struct oa_tc6 *oa_tc6_init(struct spi_device *spi, struct net_device *netdev); +enum oa_tc6_quirk_flag { + OA_TC6_BROKEN_PHY = BIT(0), +}; + +struct oa_tc6_quirks { + enum oa_tc6_quirk_flag quirk_flags; +}; + +struct oa_tc6 *oa_tc6_init(struct spi_device *spi, struct net_device *netdev, + struct oa_tc6_quirks *quirks); void oa_tc6_exit(struct oa_tc6 *tc6); int oa_tc6_write_register(struct oa_tc6 *tc6, u32 address, u32 value); int oa_tc6_write_registers(struct oa_tc6 *tc6, u32 address, u32 value[],