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net: dsa: microchip: Write switch MAC address differently for KSZ8463

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KSZ8463 uses 16-bit register definitions so it writes differently for
8-bit switch MAC address.

Signed-off-by: Tristram Ha <tristram.ha@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250725001753.6330-5-Tristram.Ha@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Tristram Ha 2025-07-24 17:17:51 -07:00 committed by Jakub Kicinski
parent 15b8d3e386
commit 5bcdb1373a
1 changed files with 10 additions and 1 deletions
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11
drivers/net/dsa/microchip/ksz_common.c
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@ -4821,7 +4821,16 @@ int ksz_switch_macaddr_get(struct dsa_switch *ds, int port,
/* Program the switch MAC address to hardware */
for (i = 0; i < ETH_ALEN; i++) {
ret = ksz_write8(dev, regs[REG_SW_MAC_ADDR] + i, addr[i]);
if (ksz_is_ksz8463(dev)) {
u16 addr16 = ((u16)addr[i] << 8) | addr[i + 1];
ret = ksz_write16(dev, regs[REG_SW_MAC_ADDR] + i,
addr16);
i++;
} else {
ret = ksz_write8(dev, regs[REG_SW_MAC_ADDR] + i,
addr[i]);
}
if (ret)
goto macaddr_drop;
}