openwrt/target/linux/bcm27xx/patches-6.1/950-0100-lan78xx-Enable-LEDs-and-auto-negotiation.patch
John Audia dd02da54e9 kernel: bump 6.1 to 6.1.81
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.81

All patches automatically rebased.

Build system: x86/64
Build-tested: x86/64/AMD Cezanne, ramips/tplink_archer-a6-v3, flogic/xiaomi_redmi-router-ax6000-ubootmod
Run-tested: x86/64/AMD Cezanne, ramips/tplink_archer-a6-v3, flogic/xiaomi_redmi-router-ax6000-ubootmod

Signed-off-by: John Audia <therealgraysky@proton.me>
2024-03-11 21:51:37 +01:00

50 lines
1.5 KiB
Diff

From 06d4e2950cc7dd561975ec6888af14aefc7332d4 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Tue, 17 Oct 2017 15:04:29 +0100
Subject: [PATCH] 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 | 12 ++++++++++++
1 file changed, 12 insertions(+)
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -2883,6 +2883,11 @@ static int lan78xx_reset(struct lan78xx_
int ret;
u32 buf;
u8 sig;
+ 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);
if (ret < 0)
@@ -2947,6 +2952,10 @@ static int lan78xx_reset(struct lan78xx_
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);
if (ret < 0)
return ret;
@@ -3046,6 +3055,9 @@ static int lan78xx_reset(struct lan78xx_
buf |= MAC_CR_AUTO_DUPLEX_ | MAC_CR_AUTO_SPEED_;
}
}
+ /* 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);
if (ret < 0)
return ret;