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-rw-r--r--drivers/infiniband/hw/hns/hns_roce_cmd.c10
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_main.c8
2 files changed, 5 insertions, 13 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_cmd.c b/drivers/infiniband/hw/hns/hns_roce_cmd.c
index ade26faade8d..455d533dd7c4 100644
--- a/drivers/infiniband/hw/hns/hns_roce_cmd.c
+++ b/drivers/infiniband/hw/hns/hns_roce_cmd.c
@@ -251,23 +251,15 @@ int hns_roce_cmd_use_events(struct hns_roce_dev *hr_dev)
hr_cmd->token_mask = CMD_TOKEN_MASK;
hr_cmd->use_events = 1;
- down(&hr_cmd->poll_sem);
-
return 0;
}
void hns_roce_cmd_use_polling(struct hns_roce_dev *hr_dev)
{
struct hns_roce_cmdq *hr_cmd = &hr_dev->cmd;
- int i;
-
- hr_cmd->use_events = 0;
-
- for (i = 0; i < hr_cmd->max_cmds; ++i)
- down(&hr_cmd->event_sem);
kfree(hr_cmd->context);
- up(&hr_cmd->poll_sem);
+ hr_cmd->use_events = 0;
}
struct hns_roce_cmd_mailbox
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index 1b757cc924c3..b5d196c119ee 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -902,6 +902,7 @@ int hns_roce_init(struct hns_roce_dev *hr_dev)
goto error_failed_cmd_init;
}
+ /* EQ depends on poll mode, event mode depends on EQ */
ret = hr_dev->hw->init_eq(hr_dev);
if (ret) {
dev_err(dev, "eq init failed!\n");
@@ -911,8 +912,9 @@ int hns_roce_init(struct hns_roce_dev *hr_dev)
if (hr_dev->cmd_mod) {
ret = hns_roce_cmd_use_events(hr_dev);
if (ret) {
- dev_err(dev, "Switch to event-driven cmd failed!\n");
- goto error_failed_use_event;
+ dev_warn(dev,
+ "Cmd event mode failed, set back to poll!\n");
+ hns_roce_cmd_use_polling(hr_dev);
}
}
@@ -955,8 +957,6 @@ error_failed_setup_hca:
error_failed_init_hem:
if (hr_dev->cmd_mod)
hns_roce_cmd_use_polling(hr_dev);
-
-error_failed_use_event:
hr_dev->hw->cleanup_eq(hr_dev);
error_failed_eq_table: