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Code Issues Releases Wiki Activity

Test update to 4.14

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Ycarus 2018-03-23 21:58:08 +01:00
parent 57d33083f7
commit dccb17c612
270 changed files with 149330 additions and 5 deletions
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53
root/target/linux/brcm2708/patches-4.14/0151-lan78xx-Enable-LEDs-and-auto-negotiation.patch Normal file
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@ -0,0 +1,53 @@
From 7c34b5c7793c40265af49880caea0a4a0caf202b Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Tue, 17 Oct 2017 15:04:29 +0100
Subject: [PATCH 151/277] lan78xx: Enable LEDs and auto-negotiation
For applications of the LAN78xx that don't have valid programmed
EEPROMs or OTPs, enabling both LEDs and auto-negotiation by default
seems reasonable.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
drivers/net/usb/lan78xx.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index ee95fc957e1f..76674d8881b5 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -2362,6 +2362,11 @@ static int lan78xx_reset(struct lan78xx_net *dev)
u32 buf;
int ret = 0;
unsigned long timeout;
+ bool has_eeprom;
+ bool has_otp;
+
+ has_eeprom = !lan78xx_read_eeprom(dev, 0, 0, NULL);
+ has_otp = !lan78xx_read_otp(dev, 0, 0, NULL);
ret = lan78xx_read_reg(dev, HW_CFG, &buf);
buf |= HW_CFG_LRST_;
@@ -2415,6 +2420,9 @@ static int lan78xx_reset(struct lan78xx_net *dev)
ret = lan78xx_read_reg(dev, HW_CFG, &buf);
buf |= HW_CFG_MEF_;
+ /* If no valid EEPROM and no valid OTP, enable the LEDs by default */
+ if (!has_eeprom && !has_otp)
+ buf |= HW_CFG_LED0_EN_ | HW_CFG_LED1_EN_;
ret = lan78xx_write_reg(dev, HW_CFG, buf);
ret = lan78xx_read_reg(dev, USB_CFG0, &buf);
@@ -2461,6 +2469,9 @@ 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_;
+ /* If no valid EEPROM and no valid OTP, enable AUTO negotiation */
+ if (!has_eeprom && !has_otp)
+ 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);
--
2.16.1