diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0055-lan78xx-Enable-LEDs-and-auto-negotiation.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.15/950-0055-lan78xx-Enable-LEDs-and-auto-negotiation.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0055-lan78xx-Enable-LEDs-and-auto-negotiation.patch b/target/linux/bcm27xx/patches-5.15/950-0055-lan78xx-Enable-LEDs-and-auto-negotiation.patch new file mode 100644 index 0000000000..47fbf510fa --- /dev/null +++ b/target/linux/bcm27xx/patches-5.15/950-0055-lan78xx-Enable-LEDs-and-auto-negotiation.patch @@ -0,0 +1,49 @@ +From ec6fe1f3510a68ea742758b1cd806a5a08fed7ae 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 +@@ -2716,6 +2716,11 @@ 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) +@@ -2797,6 +2802,10 @@ 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; +@@ -2895,6 +2904,9 @@ 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; |