From d8afb8b28efb5af640d693e7f848732141482cfb Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Sat, 9 May 2020 22:34:43 +0200 Subject: [PATCH] net: rtl8139: Read HW address from EEPROM only on probe Do not re-read the HW address from the EEPROM on every start of transfer, otherwise the user will not be able to adjust ethaddr as needed. Read the address only once, when the card is detected. Signed-off-by: Marek Vasut Cc: Joe Hershberger --- drivers/net/rtl8139.c | 27 ++++++++++++++++++--------- 1 file changed, 18 insertions(+), 9 deletions(-) diff --git a/drivers/net/rtl8139.c b/drivers/net/rtl8139.c index f3190170d3..d7fabdbcf4 100644 --- a/drivers/net/rtl8139.c +++ b/drivers/net/rtl8139.c @@ -502,17 +502,11 @@ static int rtl8139_free_pkt_common(struct rtl8139_priv *priv, unsigned int len) static int rtl8139_init_common(struct rtl8139_priv *priv) { - unsigned short *ap = (unsigned short *)priv->enetaddr; - int addr_len, i; u8 reg; /* Bring the chip out of low-power mode. */ outb(0x00, priv->ioaddr + RTL_REG_CONFIG1); - addr_len = rtl8139_read_eeprom(priv, 0, 8) == 0x8129 ? 8 : 6; - for (i = 0; i < 3; i++) - *ap++ = le16_to_cpu(rtl8139_read_eeprom(priv, i + 7, addr_len)); - rtl8139_reset(priv); reg = inb(priv->ioaddr + RTL_REG_MEDIASTATUS); @@ -521,9 +515,6 @@ static int rtl8139_init_common(struct rtl8139_priv *priv) return -1; } - /* Non-DM compatibility */ - memcpy(priv->dev.enetaddr, priv->enetaddr, 6); - return 0; } @@ -532,6 +523,19 @@ static void rtl8139_stop_common(struct rtl8139_priv *priv) rtl8139_hw_reset(priv); } +static void rtl8139_get_hwaddr(struct rtl8139_priv *priv) +{ + unsigned short *ap = (unsigned short *)priv->enetaddr; + int i, addr_len; + + /* Bring the chip out of low-power mode. */ + outb(0x00, priv->ioaddr + RTL_REG_CONFIG1); + + addr_len = rtl8139_read_eeprom(priv, 0, 8) == 0x8129 ? 8 : 6; + for (i = 0; i < 3; i++) + *ap++ = le16_to_cpu(rtl8139_read_eeprom(priv, i + 7, addr_len)); +} + static void rtl8139_name(char *str, int card_number) { sprintf(str, "RTL8139#%u", card_number); @@ -626,6 +630,11 @@ int rtl8139_initialize(bd_t *bis) dev->recv = rtl8139_recv; dev->mcast = rtl8139_bcast_addr; + rtl8139_get_hwaddr(priv); + + /* Non-DM compatibility */ + memcpy(priv->dev.enetaddr, priv->enetaddr, 6); + eth_register(dev); card_number++; -- 2.39.5