diff options
| author | Huazhong Tan <tanhuazhong@huawei.com> | 2019-04-19 11:05:38 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-04-19 18:43:15 -0700 |
| commit | 147175c92a5cd83337157bf784389466bb380eef (patch) | |
| tree | 827f40d892c96cba381ffed3a3aa42962ed017c7 /drivers/net/ethernet/hisilicon | |
| parent | c88a6e7d8801fc5ffcd704b0b1f3e67b6266182b (diff) | |
| download | lwn-147175c92a5cd83337157bf784389466bb380eef.tar.gz lwn-147175c92a5cd83337157bf784389466bb380eef.zip | |
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.c | 8 |
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; } |