brcm2708: organize kernel patches

[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.19 / 950-0123-lan78xx-Read-initial-EEE-status-from-DT.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0123-lan78xx-Read-initial-EEE-status-from-DT.patch b/target/linux/brcm2708/patches-4.19/950-0123-lan78xx-Read-initial-EEE-status-from-DT.patch
new file mode 100644 (file)
index 0000000..a1a9fa6
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0123-lan78xx-Read-initial-EEE-status-from-DT.patch
@@ -0,0 +1,40 @@
+From 26c3806ff17c6a7ed61ba127af36271390e86c89 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Fri, 9 Mar 2018 12:01:00 +0000
+Subject: [PATCH] lan78xx: Read initial EEE status from DT
+
+Add two new DT properties:
+* microchip,eee-enabled  - a boolean to enable EEE
+* microchip,tx-lpi-timer - time in microseconds to wait before entering
+                           low power state
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ drivers/net/usb/lan78xx.c | 16 ++++++++++++++++
+ 1 file changed, 16 insertions(+)
+
+--- a/drivers/net/usb/lan78xx.c
++++ b/drivers/net/usb/lan78xx.c
+@@ -2657,6 +2657,22 @@ 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);