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From b4dfd8e92956b396d3438212bc9a0be6267b8b34 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Tue, 12 Apr 2016 13:30:45 +0200
Subject: [PATCH] bgmac: reset & enable Ethernet core before using it
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This fixes Ethernet on D-Link DIR-885L with BCM47094 SoC. Felix reported
similar fix was needed for his BCM4709 device (Buffalo WXR-1900DHP?).
I tested this for regressions on BCM4706, BCM4708A0 and BCM47081A0.
Cc: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -1564,6 +1564,11 @@ static int bgmac_probe(struct bcma_devic
dev_warn(&core->dev, "Using random MAC: %pM\n", mac);
}
+ /* This (reset &) enable is not preset in specs or reference driver but
+ * Broadcom does it in arch PCI code when enabling fake PCI device.
+ */
+ bcma_core_enable(core, 0);
+
/* Allocation and references */
net_dev = alloc_etherdev(sizeof(*bgmac));
if (!net_dev)
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