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* [PATCH net] net: dsa: mv88e6xxx: Fix mv88e6393x EPC write command offset
@ 2023-05-16  7:38 Marco Migliore
  2023-05-16 12:18 ` Andrew Lunn
  2023-05-17  8:10 ` patchwork-bot+netdevbpf
  0 siblings, 2 replies; 3+ messages in thread
From: Marco Migliore @ 2023-05-16  7:38 UTC (permalink / raw)
  To: andrew
  Cc: m.migliore, Florian Fainelli, Vladimir Oltean, David S. Miller,
	Eric Dumazet, Jakub Kicinski, Paolo Abeni, Ashkan Boldaji,
	Pavana Sharma, Marek Behún, netdev, linux-kernel

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@tiesse.com>
---
 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


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2023-05-17  8:10 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2023-05-16  7:38 [PATCH net] net: dsa: mv88e6xxx: Fix mv88e6393x EPC write command offset Marco Migliore
2023-05-16 12:18 ` Andrew Lunn
2023-05-17  8:10 ` patchwork-bot+netdevbpf

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