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net: hns3: do not request reset when hardware resetting

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When hardware reset does not finish, the driver should not
request a new reset, otherwise the ongoing hardware reset
will get problem.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Huazhong Tan 2019-04-06 15:43:31 +08:00 committed by David S. Miller
parent 0fdf4d304c
commit 4f765d3e52
1 changed files with 10 additions and 0 deletions
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10
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
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@ -32,6 +32,7 @@
static int hclge_set_mac_mtu(struct hclge_dev *hdev, int new_mps);
static int hclge_init_vlan_config(struct hclge_dev *hdev);
static int hclge_reset_ae_dev(struct hnae3_ae_dev *ae_dev);
static bool hclge_get_hw_reset_stat(struct hnae3_handle *handle);
static int hclge_set_umv_space(struct hclge_dev *hdev, u16 space_size,
u16 *allocated_size, bool is_alloc);
@ -2714,9 +2715,18 @@ int hclge_func_reset_cmd(struct hclge_dev *hdev, int func_id)
static void hclge_do_reset(struct hclge_dev *hdev)
{
struct hnae3_handle *handle = &hdev->vport[0].nic;
struct pci_dev *pdev = hdev->pdev;
u32 val;
if (hclge_get_hw_reset_stat(handle)) {
dev_info(&pdev->dev, "Hardware reset not finish\n");
dev_info(&pdev->dev, "func_rst_reg:0x%x, global_rst_reg:0x%x\n",
hclge_read_dev(&hdev->hw, HCLGE_FUN_RST_ING),
hclge_read_dev(&hdev->hw, HCLGE_GLOBAL_RESET_REG));
return;
}
switch (hdev->reset_type) {
case HNAE3_GLOBAL_RESET:
val = hclge_read_dev(&hdev->hw, HCLGE_GLOBAL_RESET_REG);