netdev - [PATCH net-next 3/4] net: dsa: mt7530: set STP state on filter ID 1

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Message-Id: <20210803124022.2912298-4-dqfext@gmail.com>
Date:   Tue,  3 Aug 2021 20:40:21 +0800
From:   DENG Qingfang <dqfext@...il.com>
To:     Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Eric Woudstra <ericwouds@...il.com>,
        René van Dorst <opensource@...rst.com>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Ilya Lipnitskiy <ilya.lipnitskiy@...il.com>
Subject: [PATCH net-next 3/4] net: dsa: mt7530: set STP state on filter ID 1

As filter ID 1 is the only one used for bridges, set STP state on it.

Signed-off-by: DENG Qingfang <dqfext@...il.com>
---
RFC -> v1: only set FID 1's state

 drivers/net/dsa/mt7530.c | 3 ++-
 drivers/net/dsa/mt7530.h | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 12f449a54833..8d84d7ddad38 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -1147,7 +1147,8 @@ mt7530_stp_state_set(struct dsa_switch *ds, int port, u8 state)
 		break;
 	}
 
-	mt7530_rmw(priv, MT7530_SSP_P(port), FID_PST_MASK, stp_state);
+	mt7530_rmw(priv, MT7530_SSP_P(port), FID1_PST_MASK,
+		   FID1_PST(stp_state));
 }
 
 static int
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index a308886fdebc..53b7bb1f5368 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -181,8 +181,8 @@ enum mt7530_vlan_egress_attr {
 
 /* Register for port STP state control */
 #define MT7530_SSP_P(x)			(0x2000 + ((x) * 0x100))
-#define  FID_PST(x)			((x) & 0x3)
-#define  FID_PST_MASK			FID_PST(0x3)
+#define  FID1_PST(x)			(((x) & 0x3) << 2)
+#define  FID1_PST_MASK			FID1_PST(0x3)
 
 enum mt7530_stp_state {
 	MT7530_STP_DISABLED = 0,
-- 
2.25.1