net: vertexcom: mse102x: Fix LEN_MASK

[ Upstream commit 74987089ec678b4018dba0a609e9f4bf6ef7f4ad ]

The LEN_MASK for CMD_RTS doesn't cover the whole parameter mask.
The Bit 11 is reserved, so adjust LEN_MASK accordingly.

Fixes: 2f207cbf0dd4 ("net: vertexcom: Add MSE102x SPI support")
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250430133043.7722-3-wahrenst@gmx.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/vertexcom/mse102x.c b/drivers/net/ethernet/vertexcom/mse102x.c
index 45f4d2cb5b31a81bc0c342f647f889147029e51f..55f34d9d111c4913d3aa5c935b886e7f338d4463 100644 (file)
--- a/drivers/net/ethernet/vertexcom/mse102x.c
+++ b/drivers/net/ethernet/vertexcom/mse102x.c
@@ -33,7 +33,7 @@
 #define CMD_CTR                (0x2 << CMD_SHIFT)
 
 #define CMD_MASK       GENMASK(15, CMD_SHIFT)
-#define LEN_MASK       GENMASK(CMD_SHIFT - 1, 0)
+#define LEN_MASK       GENMASK(CMD_SHIFT - 2, 0)
 
 #define DET_CMD_LEN    4
 #define DET_SOF_LEN    2