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From b4dfd8e92956b396d3438212bc9a0be6267b8b34 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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Date: Tue, 12 Apr 2016 13:30:45 +0200
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Subject: [PATCH] bgmac: reset & enable Ethernet core before using it
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This fixes Ethernet on D-Link DIR-885L with BCM47094 SoC. Felix reported
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similar fix was needed for his BCM4709 device (Buffalo WXR-1900DHP?).
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I tested this for regressions on BCM4706, BCM4708A0 and BCM47081A0.
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Cc: Felix Fietkau <nbd@nbd.name>
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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--- a/drivers/net/ethernet/broadcom/bgmac.c
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+++ b/drivers/net/ethernet/broadcom/bgmac.c
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@@ -1569,6 +1569,11 @@ static int bgmac_probe(struct bcma_devic
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*/
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bcma_core_enable(core, 0);
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+ /* This (reset &) enable is not preset in specs or reference driver but
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+ * Broadcom does it in arch PCI code when enabling fake PCI device.
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+ */
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+ bcma_core_enable(core, 0);
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+
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/* Allocation and references */
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net_dev = alloc_etherdev(sizeof(*bgmac));
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if (!net_dev)
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