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6b1cd3e345
Manually rebased: bcm27xx/patches-5.10/950-1031-net-lan78xx-Ack-pending-PHY-ints-when-resetting.patch Removed upstreamed: mvebu/patches-5.10/101-cpufreq-armada-37xx-forbid-cpufreq-for-1.2-GHz-variant.patch All other patches automatically rebased. Build system: x86_64 Build-tested: bcm2711/RPi4B Run-tested: bcm2711/RPi4B No dmesg regressions, everything functional Signed-off-by: John Audia <graysky@archlinux.us>
41 lines
1.3 KiB
Diff
41 lines
1.3 KiB
Diff
From 1fbf5f72be35918230b0bbdff3bcf44318f1374a Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Fri, 9 Mar 2018 12:01:00 +0000
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Subject: [PATCH] lan78xx: Read initial EEE status from DT
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Add two new DT properties:
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* microchip,eee-enabled - a boolean to enable EEE
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* microchip,tx-lpi-timer - time in microseconds to wait before entering
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low power state
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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 | 16 ++++++++++++++++
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1 file changed, 16 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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@@ -2643,6 +2643,22 @@ static int lan78xx_open(struct net_devic
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netif_dbg(dev, ifup, dev->net, "phy initialised successfully");
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+ if (of_property_read_bool(dev->udev->dev.of_node,
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+ "microchip,eee-enabled")) {
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+ struct ethtool_eee edata;
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+ memset(&edata, 0, sizeof(edata));
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+ edata.cmd = ETHTOOL_SEEE;
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+ edata.advertised = ADVERTISED_1000baseT_Full |
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+ ADVERTISED_100baseT_Full;
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+ edata.eee_enabled = true;
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+ edata.tx_lpi_enabled = true;
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+ if (of_property_read_u32(dev->udev->dev.of_node,
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+ "microchip,tx-lpi-timer",
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+ &edata.tx_lpi_timer))
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+ edata.tx_lpi_timer = 600; /* non-aggressive */
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+ (void)lan78xx_set_eee(net, &edata);
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+ }
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+
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/* for Link Check */
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if (dev->urb_intr) {
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ret = usb_submit_urb(dev->urb_intr, GFP_KERNEL);
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