openwrt/target/linux/bcm27xx/patches-5.10/950-0030-lan78xx-Enable-LEDs-and-auto-negotiation.patch
Rui Salvaterra 2bb02ccae3 kernel: bump 5.10 to 5.10.89
Deleted (upstreamed):
bcm27xx/patches-5.10/950-0186-pinctrl-bcm2835-Change-init-order-for-gpio-hogs.patch [1]
sunxi/patches-5.10/103-arm64-dts-allwinner-orangepi-zero-plus-fix-PHY-mo.patch [2]

[1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.89&id=ba696b470839d70c6b8290c1f798bac7fb2a584c
[2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.89&id=93a957bbf46ceb224b959de61fe85cfc6f71b6c7

Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
2022-01-03 01:00:03 +01:00

49 lines
1.6 KiB
Diff

From 021908b753875198daddfa9e77a0d2fd8004a469 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 | 11 +++++++++++
1 file changed, 11 insertions(+)
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -2463,6 +2463,11 @@ static int lan78xx_reset(struct lan78xx_
int ret = 0;
unsigned long timeout;
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);
buf |= HW_CFG_LRST_;
@@ -2516,6 +2521,9 @@ static int lan78xx_reset(struct lan78xx_
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);
@@ -2571,6 +2579,9 @@ 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);
ret = lan78xx_read_reg(dev, MAC_TX, &buf);