r8169:change the name of function "r8168dp_check_dash" to "r8168_check_dash"

DASH function not only RTL8168DP can support, but also RTL8168EP.
So change the name of function "r8168dp_check_dash" to "r8168_check_dash".
Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/realtek/r8169.c

@@ -1015,7 +1015,7 @@ static void rtl8168_driver_stop(struct rtl8169_private *tp)
 	rtl_msleep_loop_wait_low(tp, &rtl_ocp_read_cond, 10, 10);
 }
 
-static int r8168dp_check_dash(struct rtl8169_private *tp)
+static int r8168_check_dash(struct rtl8169_private *tp)
 {
 	u16 reg = rtl8168_get_ocp_reg(tp);
 
@@ -4364,7 +4364,7 @@ static void r8168_pll_power_down(struct rtl8169_private *tp)
 	if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
 	     tp->mac_version == RTL_GIGA_MAC_VER_28 ||
 	     tp->mac_version == RTL_GIGA_MAC_VER_31) &&
-	    r8168dp_check_dash(tp)) {
+	    r8168_check_dash(tp)) {
 		return;
 	}