diff options
| author | Bhaumik Bhatt <bbhatt@codeaurora.org> | 2020-11-09 12:47:21 -0800 |
|---|---|---|
| committer | Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> | 2020-11-18 15:20:34 +0530 |
| commit | 8f70397876872789b2a5deba804eb6216fb5deb7 (patch) | |
| tree | e56277ab0a8d275af669f719b6b60525bd5a9f4e /include/linux/mhi.h | |
| parent | 1b55c16a5e4718f58ed58cfdfe37fe4cd4d89f88 (diff) | |
bus: mhi: core: Move to using high priority workqueue
MHI work is currently scheduled on the global/system workqueue and can
encounter delays on a stressed system. To avoid those unforeseen
delays which can hamper bootup or shutdown times, use a dedicated high
priority workqueue instead of the global/system workqueue.
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Diffstat (limited to 'include/linux/mhi.h')
| -rw-r--r-- | include/linux/mhi.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mhi.h b/include/linux/mhi.h index 52b3c60bf9bb..1ed5f2aa224b 100644 --- a/include/linux/mhi.h +++ b/include/linux/mhi.h @@ -337,6 +337,7 @@ struct mhi_controller_config { * @wlock: Lock for protecting device wakeup * @mhi_link_info: Device bandwidth info * @st_worker: State transition worker + * @hiprio_wq: High priority workqueue for MHI work such as state transitions * @state_event: State change event * @status_cb: CB function to notify power states of the device (required) * @wake_get: CB function to assert device wake (optional) @@ -419,6 +420,7 @@ struct mhi_controller { spinlock_t wlock; struct mhi_link_info mhi_link_info; struct work_struct st_worker; + struct workqueue_struct *hiprio_wq; wait_queue_head_t state_event; void (*status_cb)(struct mhi_controller *mhi_cntrl, |