linux-kernel - [PATCH net-next 2/2] stmmac: intel: Enable 2.5Gbps on Intel AlderLake-S

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Message-Id: <20210809102229.933748-3-vee.khee.wong@linux.intel.com>
Date:   Mon,  9 Aug 2021 18:22:29 +0800
From:   Wong Vee Khee <vee.khee.wong@...ux.intel.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>
Cc:     Voon Weifeng <weifeng.voon@...el.com>,
        Wong Vee Khee <vee.khee.wong@...ux.intel.com>,
        Michael Sit Wei Hong <michael.wei.hong.sit@...el.com>,
        Vladimir Oltean <olteanv@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH net-next 2/2] stmmac: intel: Enable 2.5Gbps on Intel AlderLake-S

From: Michael Sit Wei Hong <michael.wei.hong.sit@...el.com>

Intel AlderLake-S platform is capable of 2.5Gbps link speed.

This patch enables the 2.5Gbps link speed by adding the callback
function in the AlderLake-S PCI info struct.

Signed-off-by: Michael Sit Wei Hong <michael.wei.hong.sit@...el.com>
Signed-off-by: Wong Vee Khee <vee.khee.wong@...el.com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
index 8e8778cfbbad..c1db7e53e78f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -770,6 +770,8 @@ static int adls_sgmii_phy0_data(struct pci_dev *pdev,
 {
 	plat->bus_id = 1;
 	plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
+	plat->speed_mode_2500 = intel_speed_mode_2500;
+	plat->skip_xpcs_soft_reset = 1;
 
 	/* SerDes power up and power down are done in BIOS for ADL */
 
@@ -785,6 +787,8 @@ static int adls_sgmii_phy1_data(struct pci_dev *pdev,
 {
 	plat->bus_id = 2;
 	plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
+	plat->speed_mode_2500 = intel_speed_mode_2500;
+	plat->skip_xpcs_soft_reset = 1;
 
 	/* SerDes power up and power down are done in BIOS for ADL */
 
-- 
2.25.1