From 93a2579ed08c76835514d2a7f6e5bf3a9bc377ef Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Tue, 23 Apr 2024 11:33:35 -0700 Subject: [PATCH] net: dsa: b53: Force flow control for BCM5301X CPU port(s) Just like what b53_adjust_link() does, force flow control for the BCM5301X CPU port(s) by forcing rx_pause and tx_pause in b53_phylink_mac_link_up(). Preparatory step for getting rid of b53_adjust_link(). Signed-off-by: Florian Fainelli Reviewed-by: Russell King (Oracle) Link: https://lore.kernel.org/r/20240423183339.1368511-5-florian.fainelli@broadcom.com Signed-off-by: Jakub Kicinski --- drivers/net/dsa/b53/b53_common.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index a127a17be11c9..6277ab7dcb7f1 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -1475,6 +1475,10 @@ static void b53_phylink_mac_link_up(struct dsa_switch *ds, int port, return; if (mode == MLO_AN_FIXED) { + /* Force flow control on BCM5301x's CPU port */ + if (is5301x(dev) && dsa_is_cpu_port(ds, port)) + tx_pause = rx_pause = true; + b53_force_port_config(dev, port, speed, duplex, tx_pause, rx_pause); b53_force_link(dev, port, true); -- 2.30.2