brcm2708: organize kernel patches

[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.19 / 950-0131-lan78xx-Move-enabling-of-EEE-into-PHY-init-code.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0131-lan78xx-Move-enabling-of-EEE-into-PHY-init-code.patch b/target/linux/brcm2708/patches-4.19/950-0131-lan78xx-Move-enabling-of-EEE-into-PHY-init-code.patch
new file mode 100644 (file)
index 0000000..a1dfb00
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0131-lan78xx-Move-enabling-of-EEE-into-PHY-init-code.patch
@@ -0,0 +1,64 @@
+From 75ec78040e02200dfc2ad4e35c289086334fbee2 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Thu, 5 Apr 2018 14:46:11 +0100
+Subject: [PATCH] lan78xx: Move enabling of EEE into PHY init code
+
+Enable EEE mode as soon as possible after connecting to the PHY, and
+before phy_start. This avoids a second link negotiation, which speeds
+up booting and stops the interface failing to become ready.
+
+See: https://github.com/raspberrypi/linux/issues/2437
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ drivers/net/usb/lan78xx.c | 32 ++++++++++++++++----------------
+ 1 file changed, 16 insertions(+), 16 deletions(-)
+
+--- a/drivers/net/usb/lan78xx.c
++++ b/drivers/net/usb/lan78xx.c
+@@ -2189,6 +2189,22 @@ static int lan78xx_phy_init(struct lan78
+       mii_adv = (u32)mii_advertise_flowctrl(dev->fc_request_control);
+       phydev->advertising |= mii_adv_to_ethtool_adv_t(mii_adv);
+ 
++      if (of_property_read_bool(dev->udev->dev.of_node,
++                                "microchip,eee-enabled")) {
++              struct ethtool_eee edata;
++              memset(&edata, 0, sizeof(edata));
++              edata.cmd = ETHTOOL_SEEE;
++              edata.advertised = ADVERTISED_1000baseT_Full |
++                                 ADVERTISED_100baseT_Full;
++              edata.eee_enabled = true;
++              edata.tx_lpi_enabled = true;
++              if (of_property_read_u32(dev->udev->dev.of_node,
++                                       "microchip,tx-lpi-timer",
++                                       &edata.tx_lpi_timer))
++                      edata.tx_lpi_timer = 600; /* non-aggressive */
++              (void)lan78xx_set_eee(dev->net, &edata);
++      }
++
+       if (phydev->mdio.dev.of_node) {
+               u32 reg;
+               int len;
+@@ -2666,22 +2682,6 @@ static int lan78xx_open(struct net_devic
+ 
+       netif_dbg(dev, ifup, dev->net, "phy initialised successfully");
+ 
+-      if (of_property_read_bool(dev->udev->dev.of_node,
+-                                "microchip,eee-enabled")) {
+-              struct ethtool_eee edata;
+-              memset(&edata, 0, sizeof(edata));
+-              edata.cmd = ETHTOOL_SEEE;
+-              edata.advertised = ADVERTISED_1000baseT_Full |
+-                                 ADVERTISED_100baseT_Full;
+-              edata.eee_enabled = true;
+-              edata.tx_lpi_enabled = true;
+-              if (of_property_read_u32(dev->udev->dev.of_node,
+-                                       "microchip,tx-lpi-timer",
+-                                       &edata.tx_lpi_timer))
+-                      edata.tx_lpi_timer = 600; /* non-aggressive */
+-              (void)lan78xx_set_eee(net, &edata);
+-      }
+-
+       /* for Link Check */
+       if (dev->urb_intr) {
+               ret = usb_submit_urb(dev->urb_intr, GFP_KERNEL);