[PATCH net-next v2 3/4] net: dsa: mt7530: set STP state on filter ID 1

From: DENG Qingfang
Date: Tue Aug 03 2021 - 12:04:51 EST


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

Signed-off-by: DENG Qingfang <dqfext@xxxxxxxxx>
---
v1 -> v2: use FID enum instead of hardcoding.

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 606a9f4db579..9b39ccd9dd4c 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), FID_PST_MASK(FID_BRIDGED),
+ FID_PST(FID_BRIDGED, stp_state));
}

static int
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index d44640bbd865..5b70ccef9459 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -186,8 +186,8 @@ 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 FID_PST(fid, state) (((state) & 0x3) << ((fid) * 2))
+#define FID_PST_MASK(fid) FID_PST(fid, 0x3)

enum mt7530_stp_state {
MT7530_STP_DISABLED = 0,
--
2.25.1