diff options
Diffstat (limited to 'drivers/nvme/host/core.c')
| -rw-r--r-- | drivers/nvme/host/core.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 500b790442c9..a51946a35dcf 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1109,6 +1109,15 @@ int nvme_disable_ctrl(struct nvme_ctrl *ctrl, u64 cap) ret = ctrl->ops->reg_write32(ctrl, NVME_REG_CC, ctrl->ctrl_config); if (ret) return ret; + + /* Checking for ctrl->tagset is a trick to avoid sleeping on module + * load, since we only need the quirk on reset_controller. Notice + * that the HGST device needs this delay only in firmware activation + * procedure; unfortunately we have no (easy) way to verify this. + */ + if ((ctrl->quirks & NVME_QUIRK_DELAY_BEFORE_CHK_RDY) && ctrl->tagset) + msleep(NVME_QUIRK_DELAY_AMOUNT); + return nvme_wait_ready(ctrl, cap, false); } EXPORT_SYMBOL_GPL(nvme_disable_ctrl); |