net: hns: fix code style about hns driver

This patch fixes code sytle of hns driver to make it
simple.
Signed-off-by: NDaode Huang <huangdaode@hisilicon.com>
Signed-off-by: NYisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c

@@ -253,10 +253,9 @@ static void hns_dsaf_ge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
 		reg_val_1  = 0x1 << port;
 		port_rst_off = dsaf_dev->mac_cb[port]->port_rst_off;
 		/* there is difference between V1 and V2 in register.*/
-		if (AE_IS_VER1(dsaf_dev->dsaf_ver))
-			reg_val_2  = 0x1041041 << port_rst_off;
-		else
-			reg_val_2  = 0x2082082 << port_rst_off;
+		reg_val_2 = AE_IS_VER1(dsaf_dev->dsaf_ver) ?
+				0x1041041 : 0x2082082;
+		reg_val_2 <<= port_rst_off;
 
 		if (!dereset) {
 			dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ1_REG,
@@ -272,12 +271,11 @@ static void hns_dsaf_ge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
 				       reg_val_1);
 		}
 	} else {
-		reg_val_1 = 0x15540 << dsaf_dev->reset_offset;
+		reg_val_1 = 0x15540;
+		reg_val_2 = AE_IS_VER1(dsaf_dev->dsaf_ver) ? 0x100 : 0x40;
 
-		if (AE_IS_VER1(dsaf_dev->dsaf_ver))
-			reg_val_2 = 0x100 << dsaf_dev->reset_offset;
-		else
-			reg_val_2 = 0x40 << dsaf_dev->reset_offset;
+		reg_val_1 <<= dsaf_dev->reset_offset;
+		reg_val_2 <<= dsaf_dev->reset_offset;
 
 		if (!dereset) {
 			dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ1_REG,