From patchwork Wed May 6 22:11:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Walle X-Patchwork-Id: 245243 List-Id: U-Boot discussion From: michael at walle.cc (Michael Walle) Date: Thu, 7 May 2020 00:11:52 +0200 Subject: [PATCH v4 05/12] phy: atheros: Clarify the intention of ar8021_config In-Reply-To: <20200506221159.1298-1-michael@walle.cc> References: <20200506221159.1298-1-michael@walle.cc> Message-ID: <20200506221159.1298-6-michael@walle.cc> From: Vladimir Oltean Debug register 5 contains TX_CLK DELAY at bit 8 and reserved values at the other bit positions, just like the other PHYs in the family do. Therefore, it is not necessary to hardcode the reserved values, but instead simply follow the read-modify-write procedure from the common function. Signed-off-by: Vladimir Oltean Acked-by: Joe Hershberger --- drivers/net/phy/atheros.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/phy/atheros.c b/drivers/net/phy/atheros.c index 3e59c3f391..3cc162828c 100644 --- a/drivers/net/phy/atheros.c +++ b/drivers/net/phy/atheros.c @@ -56,10 +56,10 @@ static void ar803x_enable_tx_delay(struct phy_device *phydev, bool on) static int ar8021_config(struct phy_device *phydev) { - phy_write(phydev, MDIO_DEVAD_NONE, 0x00, 0x1200); - phy_write(phydev, MDIO_DEVAD_NONE, AR803x_PHY_DEBUG_ADDR_REG, - AR803x_DEBUG_REG_5); - phy_write(phydev, MDIO_DEVAD_NONE, AR803x_PHY_DEBUG_DATA_REG, 0x3D47); + phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, + BMCR_ANENABLE | BMCR_ANRESTART); + + ar803x_enable_tx_delay(phydev, true); phydev->supported = phydev->drv->features; return 0;