diff options
| author | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2025-10-16 15:37:22 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-10-20 17:17:15 -0700 |
| commit | c7b0d7874de0db6ce24bae3530ee91309aa2ff4e (patch) | |
| tree | af0758e4ef037820ff6b058a94430b2ad2b8369a | |
| parent | 70589b05a03e853367c6f887191a7527bcf08163 (diff) | |
| download | linux-c7b0d7874de0db6ce24bae3530ee91309aa2ff4e.tar.gz linux-c7b0d7874de0db6ce24bae3530ee91309aa2ff4e.zip | |
net: stmmac: move reverse-"pcs" mode setup to stmmac_check_pcs_mode()
The broken reverse-mode, selected by snps,ps-speed, is configured when
the platform provides a valid port speed and a PCS is being used.
Both these remain constant after the driver has probed, so the software
state doesn't need to be re-initialised each time stmmac_hw_setup() is
called (which is called at open and resume time.)
Move the software setup of reverse-mode to stmmac_check_pcs_mode()
which is called from the driver probe function.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Tested-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://patch.msgid.link/E1v9P6Y-0000000Aolr-0vLH@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index f160c5bd25b2..9a8dacf18c14 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1091,6 +1091,19 @@ static void stmmac_check_pcs_mode(struct stmmac_priv *priv) netdev_dbg(priv->dev, "PCS SGMII support enabled\n"); priv->hw->pcs = STMMAC_PCS_SGMII; } + + /* PS and related bits will be programmed according to the speed */ + if (priv->hw->pcs) { + int speed = priv->plat->mac_port_sel_speed; + + if ((speed == SPEED_10) || (speed == SPEED_100) || + (speed == SPEED_1000)) { + priv->hw->ps = speed; + } else { + dev_warn(priv->device, "invalid port speed\n"); + priv->hw->ps = 0; + } + } } /** @@ -3435,19 +3448,6 @@ static int stmmac_hw_setup(struct net_device *dev) stmmac_set_umac_addr(priv, priv->hw, dev->dev_addr, 0); phylink_rx_clk_stop_unblock(priv->phylink); - /* PS and related bits will be programmed according to the speed */ - if (priv->hw->pcs) { - int speed = priv->plat->mac_port_sel_speed; - - if ((speed == SPEED_10) || (speed == SPEED_100) || - (speed == SPEED_1000)) { - priv->hw->ps = speed; - } else { - dev_warn(priv->device, "invalid port speed\n"); - priv->hw->ps = 0; - } - } - /* Initialize the MAC Core */ stmmac_core_init(priv, priv->hw, dev); |