linux-kernel - [PATCH net-next 4/5] net: bcmgenet: Request APD, DLL disable and IDDQ-SR

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Message-Id: <20210920215418.3247054-5-f.fainelli@gmail.com>
Date:   Mon, 20 Sep 2021 14:54:17 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH net-next 4/5] net: bcmgenet: Request APD, DLL disable and IDDQ-SR

When interfacing with a Broadcom PHY, request the auto-power down, DLL
disable and IDDQ-SR modes to be enabled.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 drivers/net/ethernet/broadcom/genet/bcmmii.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index 2d29de9a33e3..ff1efd52ce16 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -288,7 +288,9 @@ int bcmgenet_mii_probe(struct net_device *dev)
 	struct device_node *dn = kdev->of_node;
 	phy_interface_t phy_iface = priv->phy_interface;
 	struct phy_device *phydev;
-	u32 phy_flags = 0;
+	u32 phy_flags = PHY_BRCM_AUTO_PWRDWN_ENABLE |
+			PHY_BRCM_DIS_TXCRXC_NOENRGY |
+			PHY_BRCM_IDDQ_SUSPEND;
 	int ret;
 
 	/* Communicate the integrated PHY revision */
-- 
2.25.1