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From: Huazhong Tan <tanhuazhong@huawei.com>
To: <davem@davemloft.net>, <sergei.shtylyov@cogentembedded.com>
Cc: <netdev@vger.kernel.org>, <linuxarm@huawei.com>,
	<salil.mehta@huawei.com>, <yisen.zhuang@huawei.com>,
	<lipeng321@huawei.com>, <linyunsheng@huawei.com>
Subject: [Patch V3 net 03/11] net: hns3: bugfix for reporting unknown vector0 interrupt repeatly problem
Date: Sun, 28 Oct 2018 11:34:03 +0800	[thread overview]
Message-ID: <1540697651-22993-4-git-send-email-tanhuazhong@huawei.com> (raw)
In-Reply-To: <1540697651-22993-1-git-send-email-tanhuazhong@huawei.com>

The current driver supports handling two vector0 interrupts, reset and
mailbox. When the hardware reports an interrupt of another type of
interrupt source, if the driver does not process the interrupt and
enables the interrupt, the hardware will repeatedly report the unknown
interrupt.

Therefore, the driver enables the vector0 interrupt after clearing the
known type of interrupt source. Other conditions are not enabled.

Fixes: cd8c5c269b1d ("net: hns3: Fix for hclge_reset running repeatly problem")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 5234b53..2a63147 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -2236,7 +2236,7 @@ static irqreturn_t hclge_misc_irq_handle(int irq, void *data)
 	}
 
 	/* clear the source of interrupt if it is not cause by reset */
-	if (event_cause != HCLGE_VECTOR0_EVENT_RST) {
+	if (event_cause == HCLGE_VECTOR0_EVENT_MBX) {
 		hclge_clear_event_cause(hdev, event_cause, clearval);
 		hclge_enable_vector(&hdev->misc_vector, true);
 	}
-- 
2.7.4

  parent reply	other threads:[~2018-10-28 12:17 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-28  3:34 [Patch V3 net 00/11] Bugfix for the HNS3 driver Huazhong Tan
2018-10-28  3:34 ` [Patch V3 net 01/11] net: hns3: add error handler for hns3_nic_init_vector_data() Huazhong Tan
2018-10-28  3:34 ` [Patch V3 net 02/11] net: hns3: add error handler for hns3_get_ring_config/hns3_queue_to_ring Huazhong Tan
2018-10-28  3:34 ` Huazhong Tan [this message]
2018-10-28  3:34 ` [Patch V3 net 04/11] net: hns3: bugfix for the initialization of command queue's spin lock Huazhong Tan
2018-10-28  3:34 ` [Patch V3 net 05/11] net: hns3: remove unnecessary queue reset in the hns3_uninit_all_ring() Huazhong Tan
2018-10-28  8:09   ` Sergei Shtylyov
2018-10-29  0:54     ` tanhuazhong
2018-10-28  3:34 ` [Patch V3 net 06/11] net: hns3: bugfix for is_valid_csq_clean_head() Huazhong Tan
2018-10-28  3:34 ` [Patch V3 net 07/11] net: hns3: bugfix for hclge_mdio_write and hclge_mdio_read Huazhong Tan
2018-10-28  3:34 ` [Patch V3 net 08/11] net: hns3: fix incorrect return value/type of some functions Huazhong Tan
2018-10-28  3:34 ` [Patch V3 net 09/11] net: hns3: bugfix for handling mailbox while the command queue reinitialized Huazhong Tan
2018-10-28  3:34 ` [Patch V3 net 10/11] net: hns3: bugfix for rtnl_lock's range in the hclge_reset() Huazhong Tan
2018-10-28  3:34 ` [Patch V3 net 11/11] net: hns3: bugfix for rtnl_lock's range in the hclgevf_reset() Huazhong Tan

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