From: Huazhong Tan Date: Fri, 19 Apr 2019 03:05:38 +0000 (+0800) Subject: net: hns3: add some debug information for hclge_check_event_cause X-Git-Tag: v5.2-rc1~133^2~140^2~9 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=147175c92a5cd83337157bf784389466bb380eef;p=uclinux-h8%2Flinux.git 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 Signed-off-by: Peng Li Signed-off-by: David S. Miller --- 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; }