linux-kernel - [PATCH net-next v1 1/8] net: dsa: microchip: Remove unused FDB timestamp support in ksz8_r_dyn_mac

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Date: Tue,  2 Apr 2024 15:13:32 +0200
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: "David S. Miller" <davem@...emloft.net>,
	Andrew Lunn <andrew@...n.ch>,
	Eric Dumazet <edumazet@...gle.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Vladimir Oltean <olteanv@...il.com>,
	Woojung Huh <woojung.huh@...rochip.com>,
	Arun Ramadoss <arun.ramadoss@...rochip.com>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>,
	kernel@...gutronix.de,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	UNGLinuxDriver@...rochip.com,
	Søren Andersen <san@...v.dk>
Subject: [PATCH net-next v1 1/8] net: dsa: microchip: Remove unused FDB timestamp support in ksz8_r_dyn_mac_table()

The FDB timestamps are not being utilized. This commit removes the
unused timestamp support from ksz8_r_dyn_mac_table() function.

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 drivers/net/dsa/microchip/ksz8.h    | 2 +-
 drivers/net/dsa/microchip/ksz8795.c | 7 ++-----
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/net/dsa/microchip/ksz8.h b/drivers/net/dsa/microchip/ksz8.h
index 1a5225264e6a3..5b38cbb7b058b 100644
--- a/drivers/net/dsa/microchip/ksz8.h
+++ b/drivers/net/dsa/microchip/ksz8.h
@@ -20,7 +20,7 @@ void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port);
 int ksz8_r_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 *val);
 int ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val);
 int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr,
-			 u8 *fid, u8 *src_port, u8 *timestamp, u16 *entries);
+			 u8 *fid, u8 *src_port, u16 *entries);
 void ksz8_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, u64 *cnt);
 void ksz8_r_mib_pkt(struct ksz_device *dev, int port, u16 addr,
 		    u64 *dropped, u64 *cnt);
diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c
index 14923535ca7e8..f59a03e6981d2 100644
--- a/drivers/net/dsa/microchip/ksz8795.c
+++ b/drivers/net/dsa/microchip/ksz8795.c
@@ -409,7 +409,7 @@ static int ksz8_valid_dyn_entry(struct ksz_device *dev, u8 *data)
 }
 
 int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr,
-			 u8 *fid, u8 *src_port, u8 *timestamp, u16 *entries)
+			 u8 *fid, u8 *src_port, u16 *entries)
 {
 	u32 data_hi, data_lo;
 	const u8 *shifts;
@@ -454,8 +454,6 @@ int ksz8_r_dyn_mac_table(struct ksz_device *dev, u16 addr, u8 *mac_addr,
 			shifts[DYNAMIC_MAC_FID];
 		*src_port = (data_hi & masks[DYNAMIC_MAC_TABLE_SRC_PORT]) >>
 			shifts[DYNAMIC_MAC_SRC_PORT];
-		*timestamp = (data_hi & masks[DYNAMIC_MAC_TABLE_TIMESTAMP]) >>
-			shifts[DYNAMIC_MAC_TIMESTAMP];
 
 		mac_addr[5] = (u8)data_lo;
 		mac_addr[4] = (u8)(data_lo >> 8);
@@ -1196,14 +1194,13 @@ int ksz8_fdb_dump(struct ksz_device *dev, int port,
 	int ret = 0;
 	u16 i = 0;
 	u16 entries = 0;
-	u8 timestamp = 0;
 	u8 fid;
 	u8 src_port;
 	u8 mac[ETH_ALEN];
 
 	do {
 		ret = ksz8_r_dyn_mac_table(dev, i, mac, &fid, &src_port,
-					   &timestamp, &entries);
+					   &entries);
 		if (!ret && port == src_port) {
 			ret = cb(mac, fid, false, data);
 			if (ret)
-- 
2.39.2