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net-next: ax88796: Fix MAC address reading

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To read the MAC address from the (virtual) SAprom, the remote DMA
unit needs to be set up like for every other process access to card-local
memory.

Signed-off-by: Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de>
Signed-off-by: Michael Schmitz <schmitzmic@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Karcher 2018-04-19 14:05:19 +12:00 committed by David S. Miller
parent 31dd83b966
commit 7a0907bd39
1 changed files with 6 additions and 0 deletions
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6
drivers/net/ethernet/8390/ax88796.c
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@ -669,10 +669,16 @@ static int ax_init_dev(struct net_device *dev)
if (ax->plat->flags & AXFLG_HAS_EEPROM) {
unsigned char SA_prom[32];
ei_outb(6, ioaddr + EN0_RCNTLO);
ei_outb(0, ioaddr + EN0_RCNTHI);
ei_outb(0, ioaddr + EN0_RSARLO);
ei_outb(0, ioaddr + EN0_RSARHI);
ei_outb(E8390_RREAD + E8390_START, ioaddr + NE_CMD);
for (i = 0; i < sizeof(SA_prom); i += 2) {
SA_prom[i] = ei_inb(ioaddr + NE_DATAPORT);
SA_prom[i + 1] = ei_inb(ioaddr + NE_DATAPORT);
}
ei_outb(ENISR_RDC, ioaddr + EN0_ISR); /* Ack intr. */
if (ax->plat->wordlength == 2)
for (i = 0; i < 16; i++)