netdev - [PATCH net-next 03/14] net: hns3: re-enable error interrupts on hw reset

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Date:   Fri, 7 Dec 2018 21:08:00 +0000
From:   Salil Mehta <salil.mehta@...wei.com>
To:     <davem@...emloft.net>
CC:     <salil.mehta@...wei.com>, <yisen.zhuang@...wei.com>,
        <lipeng321@...wei.com>, <mehta.salil@...src.net>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linuxarm@...wei.com>, Shiju Jose <shiju.jose@...wei.com>
Subject: [PATCH net-next 03/14] net: hns3: re-enable error interrupts on hw reset

From: Shiju Jose <shiju.jose@...wei.com>

This patch adds calling hclge_hw_error_set_state function
to re-enable the error interrupts those will be disabled on
the hw reset.

Signed-off-by: Shiju Jose <shiju.jose@...wei.com>
Signed-off-by: Salil Mehta <salil.mehta@...wei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c  |  2 +-
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h  |  1 -
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 14 +++++++++-----
 3 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
index 21437fe..7e23d36 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
@@ -540,7 +540,7 @@ static int hclge_config_ppp_hw_err_int(struct hclge_dev *hdev, bool en)
 	return ret;
 }
 
-int hclge_config_tm_hw_err_int(struct hclge_dev *hdev, bool en)
+static int hclge_config_tm_hw_err_int(struct hclge_dev *hdev, bool en)
 {
 	struct device *dev = &hdev->pdev->dev;
 	struct hclge_desc desc;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
index 856374c..405739b 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
@@ -59,6 +59,5 @@ struct hclge_hw_error {
 };
 
 int hclge_hw_error_set_state(struct hclge_dev *hdev, bool state);
-int hclge_config_tm_hw_err_int(struct hclge_dev *hdev, bool en);
 pci_ers_result_t hclge_process_ras_hw_error(struct hnae3_ae_dev *ae_dev);
 #endif
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 5cea95c..431d92a 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -7269,7 +7269,7 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev)
 	ret = hclge_hw_error_set_state(hdev, true);
 	if (ret) {
 		dev_err(&pdev->dev,
-			"hw error interrupts enable failed, ret =%d\n", ret);
+			"fail(%d) to enable hw error interrupts\n", ret);
 		goto err_mdiobus_unreg;
 	}
 
@@ -7405,11 +7405,15 @@ static int hclge_reset_ae_dev(struct hnae3_ae_dev *ae_dev)
 		return ret;
 	}
 
-	/* Re-enable the TM hw error interrupts because
-	 * they get disabled on core/global reset.
+	/* Re-enable the hw error interrupts because
+	 * the interrupts get disabled on core/global reset.
 	 */
-	if (hclge_config_tm_hw_err_int(hdev, true))
-		dev_err(&pdev->dev, "failed to enable TM hw error interrupts\n");
+	ret = hclge_hw_error_set_state(hdev, true);
+	if (ret) {
+		dev_err(&pdev->dev,
+			"fail(%d) to re-enable HNS hw error interrupts\n", ret);
+		return ret;
+	}
 
 	hclge_reset_vport_state(hdev);
 
-- 
2.7.4