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-rw-r--r--sys-kernel/boest-v5.0.15/raspberrypi/0030-lan78xx-Enable-LEDs-and-auto-negotiation.patch50
1 files changed, 50 insertions, 0 deletions
diff --git a/sys-kernel/boest-v5.0.15/raspberrypi/0030-lan78xx-Enable-LEDs-and-auto-negotiation.patch b/sys-kernel/boest-v5.0.15/raspberrypi/0030-lan78xx-Enable-LEDs-and-auto-negotiation.patch
new file mode 100644
index 00000000..78dbdbf3
--- /dev/null
+++ b/sys-kernel/boest-v5.0.15/raspberrypi/0030-lan78xx-Enable-LEDs-and-auto-negotiation.patch
@@ -0,0 +1,50 @@
+From fbf0e395f5ec0dbd663a704e8decc3abe15a76f5 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Tue, 17 Oct 2017 15:04:29 +0100
+Subject: [PATCH 030/194] 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 e96bc0c6140f..b750ffdd8718 100644
+--- a/drivers/net/usb/lan78xx.c
++++ b/drivers/net/usb/lan78xx.c
+@@ -2462,6 +2462,11 @@ static int lan78xx_reset(struct lan78xx_net *dev)
+ 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_;
+@@ -2515,6 +2520,9 @@ 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);
+@@ -2570,6 +2578,9 @@ static int lan78xx_reset(struct lan78xx_net *dev)
+ 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);