From: Peng Li <lipeng321@huawei.com>
Date: Sun, 14 Apr 2019 09:47:46 +0800
Subject: net: hns3: code optimization for command queue' spin lock
Patch-mainline: v5.2-rc1
Git-commit: 6814b5900b83de632d6709e21f906391496f5fc5
References: bsc#1104353 FATE#326415 bsc#1135042
This patch removes some redundant BH disable when initializing
and uninitializing command queue.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c | 4 ++--
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
@@ -356,7 +356,7 @@ int hclge_cmd_init(struct hclge_dev *hde
int ret;
spin_lock_bh(&hdev->hw.cmq.csq.lock);
- spin_lock_bh(&hdev->hw.cmq.crq.lock);
+ spin_lock(&hdev->hw.cmq.crq.lock);
hdev->hw.cmq.csq.next_to_clean = 0;
hdev->hw.cmq.csq.next_to_use = 0;
@@ -365,7 +365,7 @@ int hclge_cmd_init(struct hclge_dev *hde
hclge_cmd_init_regs(&hdev->hw);
- spin_unlock_bh(&hdev->hw.cmq.crq.lock);
+ spin_unlock(&hdev->hw.cmq.crq.lock);
spin_unlock_bh(&hdev->hw.cmq.csq.lock);
clear_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state);
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
@@ -335,7 +335,7 @@ int hclgevf_cmd_init(struct hclgevf_dev
int ret;
spin_lock_bh(&hdev->hw.cmq.csq.lock);
- spin_lock_bh(&hdev->hw.cmq.crq.lock);
+ spin_lock(&hdev->hw.cmq.crq.lock);
/* initialize the pointers of async rx queue of mailbox */
hdev->arq.hdev = hdev;
@@ -349,7 +349,7 @@ int hclgevf_cmd_init(struct hclgevf_dev
hclgevf_cmd_init_regs(&hdev->hw);
- spin_unlock_bh(&hdev->hw.cmq.crq.lock);
+ spin_unlock(&hdev->hw.cmq.crq.lock);
spin_unlock_bh(&hdev->hw.cmq.csq.lock);
clear_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state);