Make sure that we unassign the master_netdev dsa_ptr to make the packet
processing go through the regular Ethernet receive path.

Suggested-by: Florian Fainelli <f.faine...@gmail.com>
Signed-off-by: Neil Armstrong <narmstr...@baylibre.com>
---
 net/dsa/dsa.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 0f41f71..d9e0172 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -985,6 +985,14 @@ static int dsa_suspend(struct device *d)
        struct dsa_switch_tree *dst = platform_get_drvdata(pdev);
        int i, ret = 0;
 
+       dst->master_netdev->dsa_ptr = NULL;
+
+       /* If we used a tagging format that doesn't have an ethertype
+        * field, make sure that all packets from this point get sent
+        * without the tag and go through the regular receive path.
+        */
+       wmb();
+
        for (i = 0; i < dst->pd->nr_chips; i++) {
                struct dsa_switch *ds = dst->ds[i];
 
-- 
1.9.1

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