linux-kernel - [PATCH AUTOSEL 5.4 134/350] net: hns3: log and clear hardware error after reset complete

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Message-Id: <20191210210735.9077-95-sashal@kernel.org>
Date:   Tue, 10 Dec 2019 16:03:59 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Jian Shen <shenjian15@...wei.com>,
        Huazhong Tan <tanhuazhong@...wei.com>,
        "David S . Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>, netdev@...r.kernel.org
Subject: [PATCH AUTOSEL 5.4 134/350] net: hns3: log and clear hardware error after reset complete

From: Jian Shen <shenjian15@...wei.com>

[ Upstream commit 4fdd0bca6152aa201898454e63cbb255a18ae6e9 ]

When device is resetting, the CMDQ service may be stopped until
reset completed. If a new RAS error occurs at this moment, it
will no be able to clear the RAS source. This patch fixes it
by clear the RAS source after reset complete.

Signed-off-by: Jian Shen <shenjian15@...wei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@...wei.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index c052bb33b3d34..162881005a6df 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -9443,6 +9443,9 @@ static int hclge_reset_ae_dev(struct hnae3_ae_dev *ae_dev)
 		return ret;
 	}
 
+	/* Log and clear the hw errors those already occurred */
+	hclge_handle_all_hns_hw_errors(ae_dev);
+
 	/* Re-enable the hw error interrupts because
 	 * the interrupts get disabled on global reset.
 	 */
-- 
2.20.1