From c689a6528c22b20565bd14d5a7fb8e827d6faa7c Mon Sep 17 00:00:00 2001 From: "Russell King (Oracle)" Date: Fri, 16 Jun 2023 13:06:48 +0100 Subject: [PATCH] net: pcs: lynx: update PCS driver to use neg_mode Update the Lynx PCS driver to use neg_mode rather than the mode argument. This ensures that the link_up() method will always program the speed and duplex when negotiation is disabled. Signed-off-by: Russell King (Oracle) Link: https://lore.kernel.org/r/E1qA8E4-00EaFf-Bf@rmk-PC.armlinux.org.uk Signed-off-by: Jakub Kicinski --- drivers/net/pcs/pcs-lynx.c | 36 ++++++++++++++++++------------------ 1 file changed, 18 insertions(+), 18 deletions(-) diff --git a/drivers/net/pcs/pcs-lynx.c b/drivers/net/pcs/pcs-lynx.c index 25bd4b4..9021b96d 100644 --- a/drivers/net/pcs/pcs-lynx.c +++ b/drivers/net/pcs/pcs-lynx.c @@ -149,13 +149,14 @@ static int lynx_pcs_config_giga(struct mdio_device *pcs, neg_mode); } -static int lynx_pcs_config_usxgmii(struct mdio_device *pcs, unsigned int mode, - const unsigned long *advertising) +static int lynx_pcs_config_usxgmii(struct mdio_device *pcs, + const unsigned long *advertising, + unsigned int neg_mode) { struct mii_bus *bus = pcs->bus; int addr = pcs->addr; - if (!phylink_autoneg_inband(mode)) { + if (neg_mode != PHYLINK_PCS_NEG_INBAND_ENABLED) { dev_err(&pcs->dev, "USXGMII only supports in-band AN for now\n"); return -EOPNOTSUPP; } @@ -167,15 +168,11 @@ static int lynx_pcs_config_usxgmii(struct mdio_device *pcs, unsigned int mode, ADVERTISE_SGMII | ADVERTISE_LPACK); } -static int lynx_pcs_config(struct phylink_pcs *pcs, unsigned int mode, +static int lynx_pcs_config(struct phylink_pcs *pcs, unsigned int neg_mode, phy_interface_t ifmode, - const unsigned long *advertising, - bool permit) + const unsigned long *advertising, bool permit) { struct lynx_pcs *lynx = phylink_pcs_to_lynx(pcs); - unsigned int neg_mode; - - neg_mode = phylink_pcs_neg_mode(mode, ifmode, advertising); switch (ifmode) { case PHY_INTERFACE_MODE_1000BASEX: @@ -184,14 +181,15 @@ static int lynx_pcs_config(struct phylink_pcs *pcs, unsigned int mode, return lynx_pcs_config_giga(lynx->mdio, ifmode, advertising, neg_mode); case PHY_INTERFACE_MODE_2500BASEX: - if (phylink_autoneg_inband(mode)) { + if (neg_mode == PHYLINK_PCS_NEG_INBAND_ENABLED) { dev_err(&lynx->mdio->dev, "AN not supported on 3.125GHz SerDes lane\n"); return -EOPNOTSUPP; } break; case PHY_INTERFACE_MODE_USXGMII: - return lynx_pcs_config_usxgmii(lynx->mdio, mode, advertising); + return lynx_pcs_config_usxgmii(lynx->mdio, advertising, + neg_mode); case PHY_INTERFACE_MODE_10GBASER: /* Nothing to do here for 10GBASER */ break; @@ -209,7 +207,8 @@ static void lynx_pcs_an_restart(struct phylink_pcs *pcs) phylink_mii_c22_pcs_an_restart(lynx->mdio); } -static void lynx_pcs_link_up_sgmii(struct mdio_device *pcs, unsigned int mode, +static void lynx_pcs_link_up_sgmii(struct mdio_device *pcs, + unsigned int neg_mode, int speed, int duplex) { u16 if_mode = 0, sgmii_speed; @@ -217,7 +216,7 @@ static void lynx_pcs_link_up_sgmii(struct mdio_device *pcs, unsigned int mode, /* The PCS needs to be configured manually only * when not operating on in-band mode */ - if (mode == MLO_AN_INBAND) + if (neg_mode != PHYLINK_PCS_NEG_INBAND_ENABLED) return; if (duplex == DUPLEX_HALF) @@ -264,12 +263,12 @@ static void lynx_pcs_link_up_sgmii(struct mdio_device *pcs, unsigned int mode, * 2500 Mbps and we do rate adaptation through pause frames. */ static void lynx_pcs_link_up_2500basex(struct mdio_device *pcs, - unsigned int mode, + unsigned int neg_mode, int speed, int duplex) { u16 if_mode = 0; - if (mode == MLO_AN_INBAND) { + if (neg_mode == PHYLINK_PCS_NEG_INBAND_ENABLED) { dev_err(&pcs->dev, "AN not supported for 2500BaseX\n"); return; } @@ -283,7 +282,7 @@ static void lynx_pcs_link_up_2500basex(struct mdio_device *pcs, if_mode); } -static void lynx_pcs_link_up(struct phylink_pcs *pcs, unsigned int mode, +static void lynx_pcs_link_up(struct phylink_pcs *pcs, unsigned int neg_mode, phy_interface_t interface, int speed, int duplex) { @@ -292,10 +291,10 @@ static void lynx_pcs_link_up(struct phylink_pcs *pcs, unsigned int mode, switch (interface) { case PHY_INTERFACE_MODE_SGMII: case PHY_INTERFACE_MODE_QSGMII: - lynx_pcs_link_up_sgmii(lynx->mdio, mode, speed, duplex); + lynx_pcs_link_up_sgmii(lynx->mdio, neg_mode, speed, duplex); break; case PHY_INTERFACE_MODE_2500BASEX: - lynx_pcs_link_up_2500basex(lynx->mdio, mode, speed, duplex); + lynx_pcs_link_up_2500basex(lynx->mdio, neg_mode, speed, duplex); break; case PHY_INTERFACE_MODE_USXGMII: /* At the moment, only in-band AN is supported for USXGMII @@ -325,6 +324,7 @@ static struct phylink_pcs *lynx_pcs_create(struct mdio_device *mdio) mdio_device_get(mdio); lynx->mdio = mdio; lynx->pcs.ops = &lynx_pcs_phylink_ops; + lynx->pcs.neg_mode = true; lynx->pcs.poll = true; return lynx_to_phylink_pcs(lynx); -- 2.7.4