On Mon, Dec 17, 2018 at 04:44:50PM -0500, Bryan Whitehead wrote:
> The LAN7431 uses an external phy, and it can be found anywhere in
> the phy address space. This patch uses phy address 1 for LAN7430
> only. And searches all addresses otherwise.
>
> Signed-off-by: Bryan Whitehead <bryan.whiteh...@microchip.com>
> ---
> drivers/net/ethernet/microchip/lan743x_main.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/microchip/lan743x_main.c
> b/drivers/net/ethernet/microchip/lan743x_main.c
> index e8ca98c..1ba8ea0 100644
> --- a/drivers/net/ethernet/microchip/lan743x_main.c
> +++ b/drivers/net/ethernet/microchip/lan743x_main.c
> @@ -2719,8 +2719,9 @@ static int lan743x_mdiobus_init(struct lan743x_adapter
> *adapter)
> snprintf(adapter->mdiobus->id, MII_BUS_ID_SIZE,
> "pci-%s", pci_name(adapter->pdev));
>
> - /* set to internal PHY id */
> - adapter->mdiobus->phy_mask = ~(u32)BIT(1);
> + if ((adapter->csr.id_rev & ID_REV_ID_MASK_) == ID_REV_ID_LAN7430_)
> + /* LAN7430 uses internal phy at address 1 */
> + adapter->mdiobus->phy_mask = ~(u32)BIT(1);
Hi Bryan
Does LAN7430 have an external MDIO bus as well as the internal one? Is
there a possibility for a PHY at address 0? If not, you can probably
just not have a mask at all.
Andrew
