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-rw-r--r--drivers/net/ethernet/cadence/macb.c8
-rw-r--r--drivers/net/ethernet/cadence/macb.h6
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index ca34efc62bae..edb2aba9045c 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -108,6 +108,14 @@ void macb_set_hwaddr(struct macb *bp)
macb_or_gem_writel(bp, SA1B, bottom);
top = cpu_to_le16(*((u16 *)(bp->dev->dev_addr + 4)));
macb_or_gem_writel(bp, SA1T, top);
+
+ /* Clear unused address register sets */
+ macb_or_gem_writel(bp, SA2B, 0);
+ macb_or_gem_writel(bp, SA2T, 0);
+ macb_or_gem_writel(bp, SA3B, 0);
+ macb_or_gem_writel(bp, SA3T, 0);
+ macb_or_gem_writel(bp, SA4B, 0);
+ macb_or_gem_writel(bp, SA4T, 0);
}
EXPORT_SYMBOL_GPL(macb_set_hwaddr);
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index 864e38042b2d..44144218dd37 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -74,6 +74,12 @@
#define GEM_HRT 0x0084
#define GEM_SA1B 0x0088
#define GEM_SA1T 0x008C
+#define GEM_SA2B 0x0090
+#define GEM_SA2T 0x0094
+#define GEM_SA3B 0x0098
+#define GEM_SA3T 0x009C
+#define GEM_SA4B 0x00A0
+#define GEM_SA4T 0x00A4
#define GEM_OTX 0x0100
#define GEM_DCFG1 0x0280
#define GEM_DCFG2 0x0284