netdev - [PATCH RFC net-next 2/9] net: phylink: remove duplicated linkmode pause resolution

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Message-Id: <E1pzHsg-005sfx-2F@rmk-PC.armlinux.org.uk>
Date: Wed, 17 May 2023 15:11:54 +0100
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Jose Abreu <Jose.Abreu@...opsys.com>
Cc: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	netdev@...r.kernel.org
Subject: [PATCH RFC net-next 2/9] net: phylink: remove duplicated linkmode
 pause resolution

Phylink had two chunks of code virtually the same for resolving the
negotiated pause modes. Factor this down to one function.

Reviewed-by: Andrew Lunn <andrew@...n.ch>
Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/phy/phylink.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 7db67ff2812c..9cc152f3506a 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -980,11 +980,10 @@ static void phylink_apply_manual_flow(struct phylink *pl,
 		state->pause = pl->link_config.pause;
 }
 
-static void phylink_resolve_flow(struct phylink_link_state *state)
+static void phylink_resolve_an_pause(struct phylink_link_state *state)
 {
 	bool tx_pause, rx_pause;
 
-	state->pause = MLO_PAUSE_NONE;
 	if (state->duplex == DUPLEX_FULL) {
 		linkmode_resolve_pause(state->advertising,
 				       state->lp_advertising,
@@ -1196,7 +1195,8 @@ static void phylink_get_fixed_state(struct phylink *pl,
 	else if (pl->link_gpio)
 		state->link = !!gpiod_get_value_cansleep(pl->link_gpio);
 
-	phylink_resolve_flow(state);
+	state->pause = MLO_PAUSE_NONE;
+	phylink_resolve_an_pause(state);
 }
 
 static void phylink_mac_initial_config(struct phylink *pl, bool force_restart)
@@ -3219,7 +3219,6 @@ static const struct sfp_upstream_ops sfp_phylink_ops = {
 static void phylink_decode_c37_word(struct phylink_link_state *state,
 				    uint16_t config_reg, int speed)
 {
-	bool tx_pause, rx_pause;
 	int fd_bit;
 
 	if (speed == SPEED_2500)
@@ -3238,13 +3237,7 @@ static void phylink_decode_c37_word(struct phylink_link_state *state,
 		state->link = false;
 	}
 
-	linkmode_resolve_pause(state->advertising, state->lp_advertising,
-			       &tx_pause, &rx_pause);
-
-	if (tx_pause)
-		state->pause |= MLO_PAUSE_TX;
-	if (rx_pause)
-		state->pause |= MLO_PAUSE_RX;
+	phylink_resolve_an_pause(state);
 }
 
 static void phylink_decode_sgmii_word(struct phylink_link_state *state,
-- 
2.30.2