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7533087565
Refreshed all patches. Altered patches: - 950-0748-net-bcmgenet-Workaround-for-Pi-4B-network-issue.patch - 950-0754-Revert-net-bcmgenet-Workaround-for-Pi-4B-network-iss.patch - 902-debloat_proc.patch Remove upstreamed: - 150-MIPS-bmips-mark-exception-vectors-as-char-arrays.patch New symbols: X86_INTEL_MPX X86_INTEL_MEMORY_PROTECTION_KEYS X86_INTEL_TSX_MODE_OFF X86_INTEL_TSX_MODE_ON X86_INTEL_TSX_MODE_AUTO Compile-tested on: cns3xxx, x86_64 Runtime-tested on: cns3xxx Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
49 lines
1.6 KiB
Diff
49 lines
1.6 KiB
Diff
From 645eb2cf211c04496c9f5daca23ab16ce796b0df Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Tue, 17 Oct 2017 15:04:29 +0100
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Subject: [PATCH 033/806] lan78xx: Enable LEDs and auto-negotiation
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For applications of the LAN78xx that don't have valid programmed
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EEPROMs or OTPs, enabling both LEDs and auto-negotiation by default
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seems reasonable.
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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drivers/net/usb/lan78xx.c | 11 +++++++++++
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1 file changed, 11 insertions(+)
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--- a/drivers/net/usb/lan78xx.c
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+++ b/drivers/net/usb/lan78xx.c
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@@ -2475,6 +2475,11 @@ static int lan78xx_reset(struct lan78xx_
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int ret = 0;
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unsigned long timeout;
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u8 sig;
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+ bool has_eeprom;
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+ bool has_otp;
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+
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+ has_eeprom = !lan78xx_read_eeprom(dev, 0, 0, NULL);
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+ has_otp = !lan78xx_read_otp(dev, 0, 0, NULL);
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ret = lan78xx_read_reg(dev, HW_CFG, &buf);
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buf |= HW_CFG_LRST_;
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@@ -2528,6 +2533,9 @@ static int lan78xx_reset(struct lan78xx_
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ret = lan78xx_read_reg(dev, HW_CFG, &buf);
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buf |= HW_CFG_MEF_;
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+ /* If no valid EEPROM and no valid OTP, enable the LEDs by default */
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+ if (!has_eeprom && !has_otp)
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+ buf |= HW_CFG_LED0_EN_ | HW_CFG_LED1_EN_;
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ret = lan78xx_write_reg(dev, HW_CFG, buf);
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ret = lan78xx_read_reg(dev, USB_CFG0, &buf);
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@@ -2583,6 +2591,9 @@ static int lan78xx_reset(struct lan78xx_
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buf |= MAC_CR_AUTO_DUPLEX_ | MAC_CR_AUTO_SPEED_;
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}
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}
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+ /* If no valid EEPROM and no valid OTP, enable AUTO negotiation */
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+ if (!has_eeprom && !has_otp)
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+ buf |= MAC_CR_AUTO_DUPLEX_ | MAC_CR_AUTO_SPEED_;
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ret = lan78xx_write_reg(dev, MAC_CR, buf);
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ret = lan78xx_read_reg(dev, MAC_TX, &buf);
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