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Subject[PATCH 3.16 029/178] net: bcmgenet: correct MIB access of UniMAC RUNT counters
3.16.46-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Doug Berger <opendmb@gmail.com>

commit 1ad3d225e5a40ca6c586989b4baaca710544c15a upstream.

The gap between the Tx status counters and the Rx RUNT counters is now
being added to allow correct reporting of the registers.

Fixes: 1c1008c793fa ("net: bcmgenet: add main driver file")
Signed-off-by: Doug Berger <opendmb@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/net/ethernet/broadcom/genet/bcmgenet.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -713,13 +713,16 @@ static void bcmgenet_update_mib_counters
switch (s->type) {
case BCMGENET_STAT_NETDEV:
continue;
- case BCMGENET_STAT_MIB_RX:
- case BCMGENET_STAT_MIB_TX:
case BCMGENET_STAT_RUNT:
- if (s->type != BCMGENET_STAT_MIB_RX)
- offset = BCMGENET_STAT_OFFSET;
+ offset += BCMGENET_STAT_OFFSET;
+ /* fall through */
+ case BCMGENET_STAT_MIB_TX:
+ offset += BCMGENET_STAT_OFFSET;
+ /* fall through */
+ case BCMGENET_STAT_MIB_RX:
val = bcmgenet_umac_readl(priv, UMAC_MIB_START +
j + offset);
+ offset = 0; /* Reset Offset */
break;
case BCMGENET_STAT_MISC:
if (GENET_IS_V1(priv)) {
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