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[net,05/10] net: hns: set xge statistic reg as read only

Message ID 1458558401-190165-6-git-send-email-Yisen.Zhuang@huawei.com
State Changes Requested, archived
Delegated to: David Miller
Headers show

Commit Message

Yisen.Zhuang(Zhuangyuzeng) March 21, 2016, 11:06 a.m. UTC 
From: Qianqian Xie <xieqianqian@huawei.com>

As the user manual of HNS V2 describs, XGE_DFX_CTRL_CFG.xge_dfx_ctrl_cfg
should be configed as zero if we want xge statistic reg to be read only.
But HNS V1 gets the other meanings. It needs to be identified the process
and then config it rightly.

Signed-off-by: Qianqian Xie <xieqianqian@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
index 38fc5be..5c1ac9b 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
@@ -748,8 +748,9 @@  static void hns_dsaf_tbl_stat_en(struct dsaf_device *dsaf_dev)
  */
 static void hns_dsaf_rocee_bp_en(struct dsaf_device *dsaf_dev)
 {
-	dsaf_set_dev_bit(dsaf_dev, DSAF_XGE_CTRL_SIG_CFG_0_REG,
-			 DSAF_FC_XGE_TX_PAUSE_S, 1);
+	if (AE_IS_VER1(dsaf_dev->dsaf_ver))
+		dsaf_set_dev_bit(dsaf_dev, DSAF_XGE_CTRL_SIG_CFG_0_REG,
+				 DSAF_FC_XGE_TX_PAUSE_S, 1);
 }
 
 /* set msk for dsaf exception irq*/