Commit 5bcdb137 authored by Tristram Ha's avatar Tristram Ha Committed by Jakub Kicinski
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net: dsa: microchip: Write switch MAC address differently for KSZ8463 



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

Signed-off-by: default avatarTristram Ha <tristram.ha@microchip.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250725001753.6330-5-Tristram.Ha@microchip.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 15b8d3e3

drivers/net/dsa/microchip/ksz_common.c

+10 −1
Original line number Diff line number Diff line
@@ -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;

	}