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authorHuazhong Tan <tanhuazhong@huawei.com>2019-04-19 11:05:38 +0800
committerDavid S. Miller <davem@davemloft.net>2019-04-19 18:43:15 -0700
commit147175c92a5cd83337157bf784389466bb380eef (patch)
tree827f40d892c96cba381ffed3a3aa42962ed017c7 /drivers/net/ethernet/hisilicon
parentc88a6e7d8801fc5ffcd704b0b1f3e67b6266182b (diff)
net: hns3: add some debug information for hclge_check_event_cause
When received vector0 msix and other event interrupt, it should print the value of the register for debugging. Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon')
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 2748c2f1fcc8..9b7bc2268113 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -2383,8 +2383,11 @@ static u32 hclge_check_event_cause(struct hclge_dev *hdev, u32 *clearval)
}
/* check for vector0 msix event source */
- if (msix_src_reg & HCLGE_VECTOR0_REG_MSIX_MASK)
+ if (msix_src_reg & HCLGE_VECTOR0_REG_MSIX_MASK) {
+ dev_dbg(&hdev->pdev->dev, "received event 0x%x\n",
+ msix_src_reg);
return HCLGE_VECTOR0_EVENT_ERR;
+ }
/* check for vector0 mailbox(=CMDQ RX) event source */
if (BIT(HCLGE_VECTOR0_RX_CMDQ_INT_B) & cmdq_src_reg) {
@@ -2393,6 +2396,9 @@ static u32 hclge_check_event_cause(struct hclge_dev *hdev, u32 *clearval)
return HCLGE_VECTOR0_EVENT_MBX;
}
+ /* print other vector0 event source */
+ dev_dbg(&hdev->pdev->dev, "cmdq_src_reg:0x%x, msix_src_reg:0x%x\n",
+ cmdq_src_reg, msix_src_reg);
return HCLGE_VECTOR0_EVENT_OTHER;
}