netdev - [PATCH net-next 1/3] cxgb4: reset FW

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Message-Id: <f500fbf8ff4f3da5eb5647bffba7742748e248cc.1516964458.git.rahul.lakkireddy@chelsio.com>
Date:   Fri, 26 Jan 2018 17:05:54 +0530
From:   Rahul Lakkireddy <rahul.lakkireddy@...lsio.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, ganeshgr@...lsio.com, nirranjan@...lsio.com,
        indranil@...lsio.com,
        Rahul Lakkireddy <rahul.lakkireddy@...lsio.com>
Subject: [PATCH net-next 1/3] cxgb4: reset FW_OK flag on firmware crash

If firmware reports error, reset FW_OK flag.

Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@...lsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@...lsio.com>
---
 drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index af27d2b0f79f..be795d0b0b7e 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -195,9 +195,11 @@ static void t4_report_fw_error(struct adapter *adap)
 	u32 pcie_fw;
 
 	pcie_fw = t4_read_reg(adap, PCIE_FW_A);
-	if (pcie_fw & PCIE_FW_ERR_F)
+	if (pcie_fw & PCIE_FW_ERR_F) {
 		dev_err(adap->pdev_dev, "Firmware reports adapter error: %s\n",
 			reason[PCIE_FW_EVAL_G(pcie_fw)]);
+		adap->flags &= ~FW_OK;
+	}
 }
 
 /*
-- 
2.14.1