[PATCH net] net: dsa: mv88e6xxx: Fix mv88e6393x EPC write command offset

From: Marco Migliore
Date: Tue May 16 2023 - 03:39:36 EST


According to datasheet, the command opcode must be specified
into bits [14:12] of the Extended Port Control register (EPC).

Fixes: de776d0d316f ("net: dsa: mv88e6xxx: add support for mv88e6393x family")
Signed-off-by: Marco Migliore <m.migliore@xxxxxxxxxx>
---
drivers/net/dsa/mv88e6xxx/port.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h
index aec9d4fd20e3..d19b6303b91f 100644
--- a/drivers/net/dsa/mv88e6xxx/port.h
+++ b/drivers/net/dsa/mv88e6xxx/port.h
@@ -276,7 +276,7 @@
/* Offset 0x10: Extended Port Control Command */
#define MV88E6393X_PORT_EPC_CMD 0x10
#define MV88E6393X_PORT_EPC_CMD_BUSY 0x8000
-#define MV88E6393X_PORT_EPC_CMD_WRITE 0x0300
+#define MV88E6393X_PORT_EPC_CMD_WRITE 0x3000
#define MV88E6393X_PORT_EPC_INDEX_PORT_ETYPE 0x02

/* Offset 0x11: Extended Port Control Data */
--
2.34.1