[patch V4 23/31] ethernet: use parity8 in sun/niu.c

[zengzhaoxiu]

From: Zhaoxiu Zeng <zhaoxiu.z...@gmail.com>

Signed-off-by: Zhaoxiu Zeng <zhaoxiu.z...@gmail.com>
Acked-by: Michal Nazarewicz <min...@mina86.com>
---
 drivers/net/ethernet/sun/niu.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
index 9cc4564..8c344ef 100644
--- a/drivers/net/ethernet/sun/niu.c
+++ b/drivers/net/ethernet/sun/niu.c
@@ -2742,18 +2742,12 @@ static int niu_set_alt_mac_rdc_table(struct niu *np, 
int idx,
 
 static u64 vlan_entry_set_parity(u64 reg_val)
 {
-       u64 port01_mask;
-       u64 port23_mask;
-
-       port01_mask = 0x00ff;
-       port23_mask = 0xff00;
-
-       if (hweight64(reg_val & port01_mask) & 1)
+       if (parity8(reg_val))
                reg_val |= ENET_VLAN_TBL_PARITY0;
        else
                reg_val &= ~ENET_VLAN_TBL_PARITY0;
 
-       if (hweight64(reg_val & port23_mask) & 1)
+       if (parity8((unsigned int)reg_val >> 8))
                reg_val |= ENET_VLAN_TBL_PARITY1;
        else
                reg_val &= ~ENET_VLAN_TBL_PARITY1;
-- 
2.7.4