net: hns: bug fix of ge reset sequence

The bit fileds of PPE reset register are different between HNS v1 and
HNS v2, but the current procedure just only match HNS v1. Here is a
patch to fix it.

Signed-off-by: Kejian Yan <yankejian@huawei.com>
Signed-off-by: Qianqian Xie <xieqianqian@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
index 96cb628..09e60d6 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
@@ -271,7 +271,11 @@ static void hns_dsaf_ge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
                }
        } else {
                reg_val_1 = 0x15540 << dsaf_dev->reset_offset;
-               reg_val_2 = 0x100 << dsaf_dev->reset_offset;
+
+               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;
 
                if (!dereset) {
                        dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ1_REG,