Merge tag 'char-misc-4.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregk...

[karo-tx-linux.git] / drivers / net / ethernet / stmicro / stmmac / stmmac_ethtool.c

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
index babb39c646ff2f64c96880b437cbca5fc5668453..af30b4857c3b9352d4b9745ebdb07779b7621afc 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -33,6 +33,8 @@
 #define MAC100_ETHTOOL_NAME    "st_mac100"
 #define GMAC_ETHTOOL_NAME      "st_gmac"
 
+#define ETHTOOL_DMA_OFFSET     55
+
 struct stmmac_stats {
        char stat_string[ETH_GSTRING_LEN];
        int sizeof_stat;
@@ -442,6 +444,9 @@ static void stmmac_ethtool_gregs(struct net_device *dev,
 
        priv->hw->mac->dump_regs(priv->hw, reg_space);
        priv->hw->dma->dump_regs(priv->ioaddr, reg_space);
+       /* Copy DMA registers to where ethtool expects them */
+       memcpy(&reg_space[ETHTOOL_DMA_OFFSET], &reg_space[DMA_BUS_MODE / 4],
+              NUM_DWMAC1000_DMA_REGS * 4);
 }
 
 static void