diff options
| author | Heiner Kallweit <hkallweit1@gmail.com> | 2019-08-28 22:25:32 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-08-29 17:47:26 -0700 |
| commit | ce37115e3a5741219ceb0bb26de23faba6b93881 (patch) | |
| tree | ed5c43cacdd87da52d74001f70b59a58cd93930e | |
| parent | c623305bf465a77a4e34f46f48e27809df2f6cce (diff) | |
r8169: factor out reading MAC address from registers
For RTL8125 we will have to read the MAC address also from another
register range, therefore create a small helper.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/realtek/r8169_main.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index e9d900c112dc..7d89826cb6e3 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -741,6 +741,14 @@ static bool rtl_supports_eee(struct rtl8169_private *tp) tp->mac_version != RTL_GIGA_MAC_VER_39; } +static void rtl_read_mac_from_reg(struct rtl8169_private *tp, u8 *mac, int reg) +{ + int i; + + for (i = 0; i < ETH_ALEN; i++) + mac[i] = RTL_R8(tp, reg + i); +} + struct rtl_cond { bool (*check)(struct rtl8169_private *); const char *msg; @@ -6630,7 +6638,7 @@ static void rtl_init_mac_address(struct rtl8169_private *tp) { struct net_device *dev = tp->dev; u8 *mac_addr = dev->dev_addr; - int rc, i; + int rc; rc = eth_platform_get_mac_address(tp_to_dev(tp), mac_addr); if (!rc) @@ -6640,8 +6648,7 @@ static void rtl_init_mac_address(struct rtl8169_private *tp) if (is_valid_ether_addr(mac_addr)) goto done; - for (i = 0; i < ETH_ALEN; i++) - mac_addr[i] = RTL_R8(tp, MAC0 + i); + rtl_read_mac_from_reg(tp, mac_addr, MAC0); if (is_valid_ether_addr(mac_addr)) goto done; |