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Message-Id: <E1t1P3r-000EKR-U5@rmk-PC.armlinux.org.uk>
Date: Thu, 17 Oct 2024 12:52:59 +0100
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Jose Abreu <Jose.Abreu@...opsys.com>,
netdev@...r.kernel.org,
Paolo Abeni <pabeni@...hat.com>
Subject: [PATCH net-next 5/7] net: pcs: xpcs: combine
xpcs_link_up_{1000basex,sgmii}()
xpcs_link_up_sgmii() and xpcs_link_up_1000basex() are almost identical
with the exception of checking the speed and duplex for 1000BASE-X.
Combine the two functions.
Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
drivers/net/pcs/pcs-xpcs.c | 54 ++++++++++++++++----------------------
1 file changed, 23 insertions(+), 31 deletions(-)
diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c
index 5b38f9019f83..6cc658f8366c 100644
--- a/drivers/net/pcs/pcs-xpcs.c
+++ b/drivers/net/pcs/pcs-xpcs.c
@@ -1104,41 +1104,32 @@ static void xpcs_get_state(struct phylink_pcs *pcs,
}
}
-static void xpcs_link_up_sgmii(struct dw_xpcs *xpcs, unsigned int neg_mode,
- int speed, int duplex)
+static void xpcs_link_up_sgmii_1000basex(struct dw_xpcs *xpcs,
+ unsigned int neg_mode,
+ phy_interface_t interface,
+ int speed, int duplex)
{
- int val, ret;
+ int ret;
if (neg_mode == PHYLINK_PCS_NEG_INBAND_ENABLED)
return;
- val = mii_bmcr_encode_fixed(speed, duplex);
- ret = xpcs_write(xpcs, MDIO_MMD_VEND2, MII_BMCR, val);
- if (ret)
- dev_err(&xpcs->mdiodev->dev, "%s: xpcs_write returned %pe\n",
- __func__, ERR_PTR(ret));
-}
-
-static void xpcs_link_up_1000basex(struct dw_xpcs *xpcs, unsigned int neg_mode,
- int speed, int duplex)
-{
- int val, ret;
-
- if (neg_mode == PHYLINK_PCS_NEG_INBAND_ENABLED)
- return;
+ if (interface == PHY_INTERFACE_MODE_1000BASEX) {
+ if (speed != SPEED_1000) {
+ dev_err(&xpcs->mdiodev->dev,
+ "%s: speed %dMbps not supported\n",
+ __func__, speed);
+ return;
+ }
- if (speed != SPEED_1000) {
- dev_err(&xpcs->mdiodev->dev, "%s: speed %dMbps not supported\n",
- __func__, speed);
- return;
+ if (duplex != DUPLEX_FULL)
+ dev_err(&xpcs->mdiodev->dev,
+ "%s: half duplex not supported\n",
+ __func__);
}
- if (duplex != DUPLEX_FULL)
- dev_err(&xpcs->mdiodev->dev, "%s: half duplex not supported\n",
- __func__);
-
- val = mii_bmcr_encode_fixed(speed, duplex);
- ret = xpcs_write(xpcs, MDIO_MMD_VEND2, MII_BMCR, val);
+ ret = xpcs_write(xpcs, MDIO_MMD_VEND2, MII_BMCR,
+ mii_bmcr_encode_fixed(speed, duplex));
if (ret)
dev_err(&xpcs->mdiodev->dev, "%s: xpcs_write returned %pe\n",
__func__, ERR_PTR(ret));
@@ -1151,10 +1142,11 @@ static void xpcs_link_up(struct phylink_pcs *pcs, unsigned int neg_mode,
if (interface == PHY_INTERFACE_MODE_USXGMII)
return xpcs_config_usxgmii(xpcs, speed);
- if (interface == PHY_INTERFACE_MODE_SGMII)
- return xpcs_link_up_sgmii(xpcs, neg_mode, speed, duplex);
- if (interface == PHY_INTERFACE_MODE_1000BASEX)
- return xpcs_link_up_1000basex(xpcs, neg_mode, speed, duplex);
+
+ if (interface == PHY_INTERFACE_MODE_SGMII ||
+ interface == PHY_INTERFACE_MODE_1000BASEX)
+ return xpcs_link_up_sgmii_1000basex(xpcs, neg_mode, interface,
+ speed, duplex);
}
static void xpcs_an_restart(struct phylink_pcs *pcs)
--
2.30.2
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