From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nisar Sayed Subject: [PATCH v4 net 3/3] lan78xx: Use default values loaded from EEPROM/OTP after reset Date: Tue, 19 Sep 2017 03:32:25 +0530 Message-ID: <20170918220225.3767-4-Nisar.Sayed@microchip.com> References: <20170918220225.3767-1-Nisar.Sayed@microchip.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , To: Return-path: Received: from esa5.microchip.iphmx.com ([216.71.150.166]:10711 "EHLO esa5.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932746AbdIRQkA (ORCPT ); Mon, 18 Sep 2017 12:40:00 -0400 In-Reply-To: <20170918220225.3767-1-Nisar.Sayed@microchip.com> Sender: netdev-owner@vger.kernel.org List-ID: Use default value of auto duplex and auto speed values loaded from EEPROM/OTP after reset. The LAN78xx allows platform configurations to be loaded from EEPROM/OTP. Ex: When external phy is connected, the MAC can be configured to have correct auto speed, auto duplex, auto polarity configured from the EEPROM/OTP. Fixes: 55d7de9de6c3 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver") Signed-off-by: Nisar Sayed --- drivers/net/usb/lan78xx.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index 3292f56ffe02..0fc3c19d5aef 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -2449,7 +2449,6 @@ static int lan78xx_reset(struct lan78xx_net *dev) /* LAN7801 only has RGMII mode */ if (dev->chipid == ID_REV_CHIP_ID_7801_) buf &= ~MAC_CR_GMII_EN_; - buf |= MAC_CR_AUTO_DUPLEX_ | MAC_CR_AUTO_SPEED_; ret = lan78xx_write_reg(dev, MAC_CR, buf); ret = lan78xx_read_reg(dev, MAC_TX, &buf); -- 2.14.1