Merge branch 'for-linus' of git://neil.brown.name/md

[pandora-kernel.git] / drivers / net / ethernet / stmicro / stmmac / stmmac_main.c

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 8ea770a..72cd190 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -781,10 +781,15 @@ static void stmmac_mmc_setup(struct stmmac_priv *priv)
        unsigned int mode = MMC_CNTRL_RESET_ON_READ | MMC_CNTRL_COUNTER_RESET |
                            MMC_CNTRL_PRESET | MMC_CNTRL_FULL_HALF_PRESET;
 
-       /* Do not manage MMC IRQ (FIXME) */
+       /* Mask MMC irq, counters are managed in SW and registers
+        * are cleared on each READ eventually. */
        dwmac_mmc_intr_all_mask(priv->ioaddr);
-       dwmac_mmc_ctrl(priv->ioaddr, mode);
-       memset(&priv->mmc, 0, sizeof(struct stmmac_counters));
+
+       if (priv->dma_cap.rmon) {
+               dwmac_mmc_ctrl(priv->ioaddr, mode);
+               memset(&priv->mmc, 0, sizeof(struct stmmac_counters));
+       } else
+               pr_info(" No MAC Management Counters available");
 }
 
 static u32 stmmac_get_synopsys_id(struct stmmac_priv *priv)
@@ -1012,8 +1017,7 @@ static int stmmac_open(struct net_device *dev)
        memset(&priv->xstats, 0, sizeof(struct stmmac_extra_stats));
        priv->xstats.threshold = tc;
 
-       if (priv->dma_cap.rmon)
-               stmmac_mmc_setup(priv);
+       stmmac_mmc_setup(priv);
 
        /* Start the ball rolling... */
        DBG(probe, DEBUG, "%s: DMA RX/TX processes started...\n", dev->name);