From: Jiawen Wu <jiawenwu@xxxxxxxxxxxxxx>
commit 93ef6ee5c20e9330477930ec6347672c9e0cf5a6 upstream.
The value is read from the register TXGBE_RX_GEN_CTL3, and it should be
written back to TXGBE_RX_GEN_CTL3 when it changes some fields.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: f629acc6f210 ("net: pcs: xpcs: support to switch mode for Wangxun NICs")
Signed-off-by: Jiawen Wu <jiawenwu@xxxxxxxxxxxxxx>
Reported-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx>
Reviewed-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx>
Link: https://patch.msgid.link/20240924022857.865422-1-jiawenwu@xxxxxxxxxxxxxx
Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/pcs/pcs-xpcs-wx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/pcs/pcs-xpcs-wx.c b/drivers/net/pcs/pcs-xpcs-wx.c
index 19c75886f070..5f5cd3596cb8 100644
--- a/drivers/net/pcs/pcs-xpcs-wx.c
+++ b/drivers/net/pcs/pcs-xpcs-wx.c
@@ -109,7 +109,7 @@ static void txgbe_pma_config_1g(struct dw_xpcs *xpcs)
txgbe_write_pma(xpcs, TXGBE_DFE_TAP_CTL0, 0);
val = txgbe_read_pma(xpcs, TXGBE_RX_GEN_CTL3);
val = u16_replace_bits(val, 0x4, TXGBE_RX_GEN_CTL3_LOS_TRSHLD0);
- txgbe_write_pma(xpcs, TXGBE_RX_EQ_ATTN_CTL, val);
+ txgbe_write_pma(xpcs, TXGBE_RX_GEN_CTL3, val);
txgbe_write_pma(xpcs, TXGBE_MPLLA_CTL0, 0x20);
txgbe_write_pma(xpcs, TXGBE_MPLLA_CTL3, 0x46);
--
2.46.2
Patches currently in stable-queue which might be from jiawenwu@xxxxxxxxxxxxxx are
queue-6.6/net-pcs-xpcs-fix-the-wrong-register-that-was-written-back.patch
