This is a note to let you know that I've just added the patch titled
bgmac: reset & enable Ethernet core before using it
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
bgmac-reset-enable-ethernet-core-before-using-it.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From b4dfd8e92956b396d3438212bc9a0be6267b8b34 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@xxxxxxxxx>
Date: Tue, 12 Apr 2016 13:30:45 +0200
Subject: bgmac: reset & enable Ethernet core before using it
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From: Rafał Miłecki <zajec5@xxxxxxxxx>
commit b4dfd8e92956b396d3438212bc9a0be6267b8b34 upstream.
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@xxxxxxxxxxx>
Signed-off-by: Rafał Miłecki <zajec5@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Amit Pundir <amit.pundir@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/broadcom/bgmac.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -1583,6 +1583,11 @@ 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)
Patches currently in stable-queue which might be from zajec5@xxxxxxxxx are
queue-4.4/bgmac-reset-enable-ethernet-core-before-using-it.patch