linux-kernel - [PATCH net-next] hinic: modify irq name

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Message-ID: <20200918092322.3058-1-luobin9@huawei.com>
Date:   Fri, 18 Sep 2020 17:23:22 +0800
From:   Luo bin <luobin9@...wei.com>
To:     <davem@...emloft.net>
CC:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <luoxianjun@...wei.com>, <yin.yinshi@...wei.com>,
        <cloud.wangxiaoyun@...wei.com>, <chiqijun@...wei.com>,
        <zengweiliang.zengweiliang@...wei.com>
Subject: [PATCH net-next] hinic: modify irq name

Make a distinction between different irqs by netdev name or pci name.

Signed-off-by: Luo bin <luobin9@...wei.com>
---
 drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.c | 15 +++++++++------
 drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.h |  1 +
 drivers/net/ethernet/huawei/hinic/hinic_rx.c     |  2 +-
 drivers/net/ethernet/huawei/hinic/hinic_tx.c     |  4 ++--
 4 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.c
index 05018562222f..f108b0c9228e 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.c
@@ -793,12 +793,15 @@ static int init_eq(struct hinic_eq *eq, struct hinic_hwif *hwif,
 			    HINIC_EQ_MSIX_LLI_CREDIT_LIMIT_DEFAULT,
 			    HINIC_EQ_MSIX_RESEND_TIMER_DEFAULT);
 
-	if (type == HINIC_AEQ)
-		err = request_irq(entry.vector, aeq_interrupt, 0,
-				  "hinic_aeq", eq);
-	else if (type == HINIC_CEQ)
-		err = request_irq(entry.vector, ceq_interrupt, 0,
-				  "hinic_ceq", eq);
+	if (type == HINIC_AEQ) {
+		snprintf(eq->irq_name, sizeof(eq->irq_name), "hinic_aeq%d@pci:%s", eq->q_id,
+			 pci_name(pdev));
+		err = request_irq(entry.vector, aeq_interrupt, 0, eq->irq_name, eq);
+	} else if (type == HINIC_CEQ) {
+		snprintf(eq->irq_name, sizeof(eq->irq_name), "hinic_ceq%d@pci:%s", eq->q_id,
+			 pci_name(pdev));
+		err = request_irq(entry.vector, ceq_interrupt, 0, eq->irq_name, eq);
+	}
 
 	if (err) {
 		dev_err(&pdev->dev, "Failed to request irq for the EQ\n");
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.h
index 43065fc70869..2f3222174fc7 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.h
@@ -186,6 +186,7 @@ struct hinic_eq {
 	int                     num_elem_in_pg;
 
 	struct msix_entry       msix_entry;
+	char			irq_name[64];
 
 	dma_addr_t              *dma_addr;
 	void                    **virt_addr;
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_rx.c b/drivers/net/ethernet/huawei/hinic/hinic_rx.c
index 5bee951fe9d4..f403a6711e97 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_rx.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_rx.c
@@ -588,7 +588,7 @@ int hinic_init_rxq(struct hinic_rxq *rxq, struct hinic_rq *rq,
 	rxq_stats_init(rxq);
 
 	rxq->irq_name = devm_kasprintf(&netdev->dev, GFP_KERNEL,
-				       "hinic_rxq%d", qp->q_id);
+				       "%s_rxq%d", netdev->name, qp->q_id);
 	if (!rxq->irq_name)
 		return -ENOMEM;
 
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_tx.c b/drivers/net/ethernet/huawei/hinic/hinic_tx.c
index 502f00e1e2d0..c249b7e6e432 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_tx.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_tx.c
@@ -894,14 +894,14 @@ int hinic_init_txq(struct hinic_txq *txq, struct hinic_sq *sq,
 		goto err_alloc_free_sges;
 	}
 
-	irqname_len = snprintf(NULL, 0, "hinic_txq%d", qp->q_id) + 1;
+	irqname_len = snprintf(NULL, 0, "%s_txq%d", netdev->name, qp->q_id) + 1;
 	txq->irq_name = devm_kzalloc(&netdev->dev, irqname_len, GFP_KERNEL);
 	if (!txq->irq_name) {
 		err = -ENOMEM;
 		goto err_alloc_irqname;
 	}
 
-	sprintf(txq->irq_name, "hinic_txq%d", qp->q_id);
+	sprintf(txq->irq_name, "%s_txq%d", netdev->name, qp->q_id);
 
 	err = hinic_hwdev_hw_ci_addr_set(hwdev, sq, CI_UPDATE_NO_PENDING,
 					 CI_UPDATE_NO_COALESC);
-- 
2.17.1