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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jun 2023 12:43:54.5379 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5ca8e5bd-a949-4d9d-45ca-08db77d55553 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT074.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR12MB5766 Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org Enable MAC controlled energy efficient ethernet (EEE) so that MAC can keep the PHY in EEE sleep mode when link utilization is low to reduce energy consumption. Signed-off-by: Narayan Reddy Signed-off-by: Revanth Kumar Uppala --- drivers/net/phy/aquantia_main.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/phy/aquantia_main.c b/drivers/net/phy/aquantia_main.c index c99b9d066463..faca2a0b1d49 100644 --- a/drivers/net/phy/aquantia_main.c +++ b/drivers/net/phy/aquantia_main.c @@ -28,6 +28,9 @@ #define MDIO_AN_ADVT 0x0010 +#define VEND1_SEC_INGRESS_CNTRL_REG1 0x7001 +#define MAC_CNTRL_EEE (BIT(8) | BIT(12)) + #define MDIO_PHYXS_VEND_IF_STATUS 0xe812 #define MDIO_PHYXS_VEND_IF_STATUS_TYPE_MASK GENMASK(7, 3) #define MDIO_PHYXS_VEND_IF_STATUS_TYPE_KR 0 @@ -596,6 +599,12 @@ static int aqr107_config_init(struct phy_device *phydev) if (ret < 0) return ret; + /* Enable MAC Controlled EEE */ + ret = phy_write_mmd(phydev, MDIO_MMD_VEND1, + VEND1_SEC_INGRESS_CNTRL_REG1, MAC_CNTRL_EEE); + if (ret < 0) + return ret; + return aqr107_set_downshift(phydev, MDIO_AN_VEND_PROV_DOWNSHIFT_DFLT); }