diff options
| author | Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> | 2020-04-27 13:28:27 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-04-28 14:42:32 +0200 |
| commit | 0c6b20a1d720ad1d43a2aca0ffa1af07c201b55d (patch) | |
| tree | bbfd706bfaa81900aa4dff3150b9be396e8218b9 /include/linux/mhi.h | |
| parent | 48a4cc950348c507580df79632ad53d8a08b6c0e (diff) | |
bus: mhi: core: Add support for MHI suspend and resume
Add support for MHI suspend and resume states. While at it, the
mhi_notify() function needs to be exported as well.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200427075829.9304-2-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/mhi.h')
| -rw-r--r-- | include/linux/mhi.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/mhi.h b/include/linux/mhi.h index ad1996001965..a4288f4d656f 100644 --- a/include/linux/mhi.h +++ b/include/linux/mhi.h @@ -569,6 +569,13 @@ void mhi_set_mhi_state(struct mhi_controller *mhi_cntrl, enum mhi_state state); /** + * mhi_notify - Notify the MHI client driver about client device status + * @mhi_dev: MHI device instance + * @cb_reason: MHI callback reason + */ +void mhi_notify(struct mhi_device *mhi_dev, enum mhi_callback cb_reason); + +/** * mhi_prepare_for_power_up - Do pre-initialization before power up. * This is optional, call this before power up if * the controller does not want bus framework to @@ -605,6 +612,18 @@ void mhi_power_down(struct mhi_controller *mhi_cntrl, bool graceful); void mhi_unprepare_after_power_down(struct mhi_controller *mhi_cntrl); /** + * mhi_pm_suspend - Move MHI into a suspended state + * @mhi_cntrl: MHI controller + */ +int mhi_pm_suspend(struct mhi_controller *mhi_cntrl); + +/** + * mhi_pm_resume - Resume MHI from suspended state + * @mhi_cntrl: MHI controller + */ +int mhi_pm_resume(struct mhi_controller *mhi_cntrl); + +/** * mhi_download_rddm_img - Download ramdump image from device for * debugging purpose. * @mhi_cntrl: MHI controller |