e1000e: normalize usage of serdes_has_link

Cosmetic change to use struct e1000_mac_info.serdes_has_link
consistently as the 'bool' that it's declared as.

No functional change.
Signed-off-by: NAlex Chiang <achiang@hp.com>
Acked-by: NJeff Kirsher <Jeffrey.t.kirsher@intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/e1000e/ethtool.c

@@ -1589,7 +1589,7 @@ static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
 	*data = 0;
 	if (hw->phy.media_type == e1000_media_type_internal_serdes) {
 		int i = 0;
-		hw->mac.serdes_has_link = 0;
+		hw->mac.serdes_has_link = false;
 
 		/*
 		 * On some blade server designs, link establishment

drivers/net/e1000e/lib.c

@@ -501,7 +501,7 @@ s32 e1000e_check_for_fiber_link(struct e1000_hw *hw)
 		ew32(TXCW, mac->txcw);
 		ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
 
-		mac->serdes_has_link = 1;
+		mac->serdes_has_link = true;
 	}
 
 	return 0;
@@ -566,7 +566,7 @@ s32 e1000e_check_for_serdes_link(struct e1000_hw *hw)
 		ew32(TXCW, mac->txcw);
 		ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
 
-		mac->serdes_has_link = 1;
+		mac->serdes_has_link = true;
 	} else if (!(E1000_TXCW_ANE & er32(TXCW))) {
 		/*
 		 * If we force link for non-auto-negotiation switch, check