[PATCH net-next v3 5/7] net: dsa: microchip: Write switch MAC address differently for KSZ8463

[Tristram.Ha]

From: Tristram Ha <tristram.ha@xxxxxxxxxxxxx>

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

Signed-off-by: Tristram Ha <tristram.ha@xxxxxxxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
---
 drivers/net/dsa/microchip/ksz_common.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index b78017abf0b8..0ef41f8d0066 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -4823,7 +4823,16 @@ 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;
 	}
-- 
2.34.1