diff options
Diffstat (limited to 'drivers/nvme/host')
| -rw-r--r-- | drivers/nvme/host/core.c | 16 | ||||
| -rw-r--r-- | drivers/nvme/host/nvme.h | 1 |
2 files changed, 16 insertions, 1 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 1db8de0bee87..745058905da6 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1458,7 +1458,7 @@ EXPORT_SYMBOL_GPL(nvme_enable_ctrl); int nvme_shutdown_ctrl(struct nvme_ctrl *ctrl) { - unsigned long timeout = jiffies + (shutdown_timeout * HZ); + unsigned long timeout = jiffies + (ctrl->shutdown_timeout * HZ); u32 csts; int ret; @@ -1826,6 +1826,20 @@ int nvme_init_identify(struct nvme_ctrl *ctrl) ctrl->sgls = le32_to_cpu(id->sgls); ctrl->kas = le16_to_cpu(id->kas); + if (id->rtd3e) { + /* us -> s */ + u32 transition_time = le32_to_cpu(id->rtd3e) / 1000000; + + ctrl->shutdown_timeout = clamp_t(unsigned int, transition_time, + shutdown_timeout, 60); + + if (ctrl->shutdown_timeout != shutdown_timeout) + dev_warn(ctrl->device, + "Shutdown timeout set to %u seconds\n", + ctrl->shutdown_timeout); + } else + ctrl->shutdown_timeout = shutdown_timeout; + ctrl->npss = id->npss; ctrl->apsta = id->apsta; prev_apst_enabled = ctrl->apst_enabled; diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 2c8a02be46fd..9b959ee18cb6 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -162,6 +162,7 @@ struct nvme_ctrl { u16 kas; u8 npss; u8 apsta; + unsigned int shutdown_timeout; unsigned int kato; bool subsystem; unsigned long quirks; |