diff options
| author |   Yufeng Mo <moyufeng@huawei.com> | 2021-08-26 19:21:56 +0800 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2021-08-26 07:24:16 -0700 |
| commit | a96d9330b02a3d051ae689bc2c5e7d3a2ba25594 (patch) | |
| tree | fc9dc484762e5c1731e171f1467bd41501e4d317 /drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h | |
| parent | net: hns3: clear hardware resource when loading driver (diff) | |
| download | linux-dev-a96d9330b02a3d051ae689bc2c5e7d3a2ba25594.tar.xz linux-dev-a96d9330b02a3d051ae689bc2c5e7d3a2ba25594.zip | |
net: hns3: add waiting time before cmdq memory is released
After the cmdq registers are cleared, the firmware may take time to
clear out possible left over commands in the cmdq. Driver must release
cmdq memory only after firmware has completed processing of left over
commands.
Fixes: 232d0d55fca6 ("net: hns3: uninitialize command queue while unloading PF driver")
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h index 202feb70dba5..5b82177f98b4 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h @@ -8,6 +8,7 @@ #include "hnae3.h" #define HCLGEVF_CMDQ_TX_TIMEOUT 30000 +#define HCLGEVF_CMDQ_CLEAR_WAIT_TIME 200 #define HCLGEVF_CMDQ_RX_INVLD_B 0 #define HCLGEVF_CMDQ_RX_OUTVLD_B 1 |