fix_mdc_clock_2.5M.txt

MDC时钟要求最大不超过2.5M

############### for kernel 3.10:
--- a/kernel/drivers/net/ethernet/rockchip/gmac/stmmac_main.c
+++ b/kernel/drivers/net/ethernet/rockchip/gmac/stmmac_main.c
@@ -2836,7 +2857,7 @@ struct stmmac_priv *stmmac_dvr_probe(struct device *device,

        priv->mdio_registered = false;

-       priv->stmmac_clk = ((struct bsp_priv *)(priv->plat->bsp_priv))->clk_mac;
+       priv->stmmac_clk = ((struct bsp_priv *)(priv->plat->bsp_priv))->pclk_mac;
        if (IS_ERR(priv->stmmac_clk)) {
                pr_warn("%s: warning: cannot get CSR clock\n", __func__);
                goto error_clk_get;

############### for kernel 4.4:
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index e230519..7b7f696 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -165,7 +165,7 @@
 {
     u32 clk_rate;

-    clk_rate = clk_get_rate(priv->stmmac_clk);
+    clk_rate = clk_get_rate(priv->pclk);

     /* Platform provided default clk_csr would be assumed valid
      * for all other cases except for the below mentioned ones.
@@ -2886,7 +2886,7 @@ int stmmac_dvr_probe(struct device *device,
        }
        clk_prepare_enable(priv->stmmac_clk);

-       priv->pclk = devm_clk_get(priv->device, "pclk");
+       priv->pclk = devm_clk_get(priv->device, "pclk_mac");
        if (IS_ERR(priv->pclk)) {
                if (PTR_ERR(priv->pclk) == -EPROBE_DEFER) {
                        ret = -EPROBE_DEFER;