From 58ead415a1a7d6800ed4eb3eeed12daedc27ffe6 Mon Sep 17 00:00:00 2001
From: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Date: Sat, 9 Feb 2013 09:29:52 +0000
Subject: qlcnic: refactor 83xx diagnostic IRQ test

Cleanly separate 83xx diagnostic IRQ test from 82xx

Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index 3d48131..36c1474 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
@@ -2744,25 +2744,37 @@ int qlcnic_83xx_get_registers(struct qlcnic_adapter *adapter, u32 *regs_buff)
 	return i;
 }
 
-int qlcnic_83xx_interrupt_test(struct qlcnic_adapter *adapter,
-			       struct qlcnic_cmd_args *cmd)
+int qlcnic_83xx_interrupt_test(struct net_device *netdev)
 {
-	u8 val;
-	int ret;
+	struct qlcnic_adapter *adapter = netdev_priv(netdev);
+	struct qlcnic_hardware_context *ahw = adapter->ahw;
+	struct qlcnic_cmd_args cmd;
 	u32 data;
 	u16 intrpt_id, id;
+	u8 val;
+	int ret, max_sds_rings = adapter->max_sds_rings;
+
+	if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
+		return -EIO;
+
+	ret = qlcnic_83xx_diag_alloc_res(netdev, QLCNIC_INTERRUPT_TEST);
+	if (ret)
+		goto fail_diag_irq;
+
+	ahw->diag_cnt = 0;
+	qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INTRPT_TEST);
 
 	if (adapter->flags & QLCNIC_MSIX_ENABLED)
-		intrpt_id = adapter->ahw->intr_tbl[0].id;
+		intrpt_id = ahw->intr_tbl[0].id;
 	else
-		intrpt_id = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_ID);
+		intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID);
 
-	cmd->req.arg[1] = 1;
-	cmd->req.arg[2] = intrpt_id;
-	cmd->req.arg[3] = BIT_0;
+	cmd.req.arg[1] = 1;
+	cmd.req.arg[2] = intrpt_id;
+	cmd.req.arg[3] = BIT_0;
 
-	ret = qlcnic_issue_cmd(adapter, cmd);
-	data = cmd->rsp.arg[2];
+	ret = qlcnic_issue_cmd(adapter, &cmd);
+	data = cmd.rsp.arg[2];
 	id = LSW(data);
 	val = LSB(MSW(data));
 	if (id != intrpt_id)
@@ -2770,9 +2782,21 @@ int qlcnic_83xx_interrupt_test(struct qlcnic_adapter *adapter,
 			 "Interrupt generated: 0x%x, requested:0x%x\n",
 			 id, intrpt_id);
 	if (val)
-		dev_info(&adapter->pdev->dev,
+		dev_err(&adapter->pdev->dev,
 			 "Interrupt test error: 0x%x\n", val);
+	if (ret)
+		goto done;
+
+	msleep(20);
+	ret = !ahw->diag_cnt;
 
+done:
+	qlcnic_free_mbx_args(&cmd);
+	qlcnic_83xx_diag_free_res(netdev, max_sds_rings);
+
+fail_diag_irq:
+	adapter->max_sds_rings = max_sds_rings;
+	clear_bit(__QLCNIC_RESETTING, &adapter->state);
 	return ret;
 }
 
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
index 87f2e08..f60e28a 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
@@ -429,7 +429,6 @@ int qlcnic_83xx_reg_test(struct qlcnic_adapter *);
 int qlcnic_83xx_get_regs_len(struct qlcnic_adapter *);
 int qlcnic_83xx_get_registers(struct qlcnic_adapter *, u32 *);
 int qlcnic_83xx_loopback_test(struct net_device *, u8);
-int qlcnic_83xx_interrupt_test(struct qlcnic_adapter *,
-			       struct qlcnic_cmd_args *);
+int qlcnic_83xx_interrupt_test(struct net_device *);
 int qlcnic_83xx_flash_test(struct qlcnic_adapter *);
 #endif
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
index 58e2554..5641f8e 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
@@ -823,38 +823,36 @@ static int qlcnic_get_sset_count(struct net_device *dev, int sset)
 static int qlcnic_irq_test(struct net_device *netdev)
 {
 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
-	int max_sds_rings = adapter->max_sds_rings;
-	int ret;
+	struct qlcnic_hardware_context *ahw = adapter->ahw;
 	struct qlcnic_cmd_args cmd;
+	int ret, max_sds_rings = adapter->max_sds_rings;
+
+	if (qlcnic_83xx_check(adapter))
+		return qlcnic_83xx_interrupt_test(netdev);
 
 	if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
 		return -EIO;
 
 	ret = qlcnic_diag_alloc_res(netdev, QLCNIC_INTERRUPT_TEST);
 	if (ret)
-		goto clear_it;
+		goto clear_diag_irq;
 
-	adapter->ahw->diag_cnt = 0;
+	ahw->diag_cnt = 0;
 	qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INTRPT_TEST);
 
-	if (qlcnic_83xx_check(adapter)) {
-		ret = qlcnic_83xx_interrupt_test(adapter, &cmd);
-	} else {
-		cmd.req.arg[1] = adapter->ahw->pci_func;
-		ret = qlcnic_issue_cmd(adapter, &cmd);
-	}
-
+	cmd.req.arg[1] = ahw->pci_func;
+	ret = qlcnic_issue_cmd(adapter, &cmd);
 	if (ret)
 		goto done;
 
 	usleep_range(1000, 12000);
-	ret = !adapter->ahw->diag_cnt;
+	ret = !ahw->diag_cnt;
 
 done:
 	qlcnic_free_mbx_args(&cmd);
 	qlcnic_diag_free_res(netdev, max_sds_rings);
 
-clear_it:
+clear_diag_irq:
 	adapter->max_sds_rings = max_sds_rings;
 	clear_bit(__QLCNIC_RESETTING, &adapter->state);
 	return ret;
-- 
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