mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-29 18:19:02 +00:00
57 lines
1.9 KiB
Diff
57 lines
1.9 KiB
Diff
From 024173b78ac6c6ce9dca879274b1e8a8e9000738 Mon Sep 17 00:00:00 2001
|
|
From: Phil Elwell <phil@raspberrypi.org>
|
|
Date: Fri, 9 Aug 2019 08:52:16 +0100
|
|
Subject: [PATCH 754/806] Revert "net: bcmgenet: Workaround for Pi 4B network
|
|
issue"
|
|
|
|
This reverts commit 9c0770ea7682a84a22c33410ef6870af258abacc.
|
|
---
|
|
.../net/ethernet/broadcom/genet/bcmgenet.c | 22 -------------------
|
|
1 file changed, 22 deletions(-)
|
|
|
|
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
|
|
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
|
|
@@ -72,10 +72,6 @@
|
|
#define GENET_RDMA_REG_OFF (priv->hw_params->rdma_offset + \
|
|
TOTAL_DESC * DMA_DESC_SIZE)
|
|
|
|
-static bool force_reneg = false;
|
|
-module_param(force_reneg, bool, 0444);
|
|
-MODULE_PARM_DESC(force_reneg, "Force a renegotiation after the initial link-up");
|
|
-
|
|
static inline void bcmgenet_writel(u32 value, void __iomem *offset)
|
|
{
|
|
/* MIPS chips strapped for BE will automagically configure the
|
|
@@ -2614,7 +2610,6 @@ static void bcmgenet_irq_task(struct wor
|
|
unsigned int status;
|
|
struct bcmgenet_priv *priv = container_of(
|
|
work, struct bcmgenet_priv, bcmgenet_irq_work);
|
|
- static int first_link = 1;
|
|
|
|
netif_dbg(priv, intr, priv->dev, "%s\n", __func__);
|
|
|
|
@@ -2627,23 +2622,6 @@ static void bcmgenet_irq_task(struct wor
|
|
if (status & UMAC_IRQ_LINK_EVENT) {
|
|
priv->dev->phydev->link = !!(status & UMAC_IRQ_LINK_UP);
|
|
phy_mac_interrupt(priv->dev->phydev);
|
|
-
|
|
- if (priv->dev->phydev->link && first_link) {
|
|
- first_link = 0;
|
|
- /*
|
|
- * HACK: Some Pi4Bs, when paired with some switches,
|
|
- * come up in a strange state where they are unable to
|
|
- * transmit, causing them to fail to get an IP address.
|
|
- * Although the failure mechanism is not yet understood,
|
|
- * forcing renegotiation at this point has been shown
|
|
- * to be effective in avoiding the problem.
|
|
- */
|
|
- if (force_reneg) {
|
|
- dev_info(&priv->pdev->dev,
|
|
- "Forcing renegotiation\n");
|
|
- genphy_restart_aneg(priv->dev->phydev);
|
|
- }
|
|
- }
|
|
}
|
|
}
|
|
|